COLONIAL TRUST I
N-30D, 1997-09-08
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                              [COLONIAL FLAG LOGO]
                                    COLONIAL
                           HIGH YIELD SECURITIES FUND



                                SEMIANNUAL REPORT
                                 JUNE 30, 1997



                           ------------------------------
                           NOT FDIC-    MAY LOSE VALUE
                           INSURED      NO BANK GUARANTEE
                           ------------------------------

<PAGE>
- --------------------------------------------------------------------------------
                 COLONIAL HIGH YIELD SECURITIES FUND HIGHLIGHTS
                         JANUARY 1, 1997 - JUNE 30, 1997

INVESTMENT OBJECTIVE: Colonial High Yield Securities Fund seeks high current
income and total return by investing primarily in lower rated corporate debt
securities.

THE FUND IS DESIGNED TO OFFER:
  * High current income and total return potential
  * Diversification and thorough credit analysis
  * Management by experienced high yield specialists

PORTFOLIO MANAGER COMMENTARY: "Our focus on higher, quality high yield bonds
enabled us to achieve attractive returns without some of the volatility that our
competitors experienced."                                     -- Andrea Feingold

<TABLE>
                COLONIAL HIGH YIELD SECURITIES FUND PERFORMANCE

<CAPTION>
                                                   CLASS A       CLASS B        CLASS D(1)

<S>                                               <C>            <C>            <C>
Inception dates                                   10/21/71(2)    6/8/92         1/15/96

Distributions declared per share                   $0.300        $0.274         $0.274

SEC yields on June 30, 1997(3)                      7.85%         7.47%          7.79%

6-month total returns, assuming reinvestment        6.21%         5.82%          5.82%
of all distributions and no sales charge or
contingent deferred sales charge (CDSC)

Net asset value per share on June 30, 1997          $7.04         $7.04          $7.04
</TABLE>

(1) Effective July 1, 1997, Class D shares were converted to Class C shares.
(2) Colonial High Yield Securities Fund adopted its current investment policies
on 3/31/80.
(3) The 30-day SEC yields reflect the portfolio's earning power, net of
expenses, expressed as an annualized percentage of the maximum offering price 
per share at the end of the period.

TOP FIVE BOND HOLDINGS(4)                 TOP FIVE SECTORS(4)
(as of 6/30/97)                           (as of 6/30/97)
- -------------------------------------     --------------------------------------
1.   Time Warner ................3.3%     1.   Transportation, Electric, Gas    
2.   Cablevision, Inc. ..........3.2%          & Sanitation Services ......15.8%
3.   Revlon Consumer Products ...3.1%     2.   Manufacturing ..............15.6%
4.   Mesa Capital Corp. .........2.9%     3.   Retail Trade ................7.1%
5.   U.S. Air Inc. ..............2.6%     4.   Mining & Energy .............7.0%
                                          5.   Telecommunications ..........6.2%

(4) Portfolio holdings by issuer and sector breakdowns are calculated as a
percentage of total net assets. Because the Fund is actively managed, there can
be no guarantee the Fund will continue to maintain these portfolio holdings and
sector breakdowns. Industry sectors in the following financial statements are
based upon the standard industrial classifications (SIC) as published by the
U.S. Office of Management and Budget. The sector classifications used on this
page are based upon Colonial's defined criteria as used in the investment
process.
- --------------------------------------------------------------------------------

                                       2
<PAGE>
- --------------------------------------------------------------------------------
                               PRESIDENT'S MESSAGE
                              TO FUND SHAREHOLDERS

I'm pleased to present your Fund's semiannual report 
for the six months ended June 30, 1997.

During the first half of 1997, the high yield 
corporate bond market was one of the best performing 
fixed income markets. This year, U.S. corporate 
profits are growing at a double digit rate,                        [PHOTO]
unemployment is at a 25-year low and inflation
is just 2.5%. It is an environment that's sending 
the Dow Jones Industrial Average to record levels, 
and making it easier for issuers of high yield bonds to meet their debt 
commitments through available liquidity and stronger earnings. 

To some extent, high yield bonds are adversely affected by the fear of inflation
and the higher interest rates that result. Like all bonds, they make a fixed
semiannual payment to investors. When the economy was growing at nearly 6% in
the first quarter, many investors assumed inflation was on the way.

Fortunately, by late April, the environment began to improve. Interest rates
eased downward. The economy was slowing, inflation was still low and the Federal
Reserve Board decided against boosting short-term rates a second time in two
months. When the dust settled, interest rates were modestly higher on June 30,
1997 compared to January 1, 1997. 

But the value of high yield securities is tied less to interest rate changes and
more to the financial strength of the company issuing the bonds. To reduce risk,
the portfolio is broadly diversified, with more than 100 issues across many
different sectors.

Indeed, because these bonds have lower credit ratings, investing in high yield
corporate bonds puts a special responsibility on our analytical staff to search
for securities that appear undervalued and have the potential for capital
appreciation. We will continue to search for these bonds as well as provide you
with high income consistent with prudent portfolio management.

This report provides you with a closer look at your Fund's performance as well
as the portfolio manager's investment strategy. In addition, the report lists
every security in the portfolio as of June 30, 1997, organized by category such
as manufacturing, mining and energy, retail trade and services.

Thank you for the opportunity to help you meet your investment goals. 

Sincerely,

/s/ Harold W. Cogger
Harold W. Cogger
President
August 12, 1997

Because market conditions change frequently, there can be no assurance that the
trends described here will continue.
- --------------------------------------------------------------------------------

                                       3
<PAGE>
- --------------------------------------------------------------------------------
                           PORTFOLIO MANAGEMENT REPORT

ANDREA FEINGOLD is portfolio manager of Colonial High Yield Securities Fund. Ms.
Feingold is Vice President of Colonial Management Associates, Inc. and is a
Chartered Financial Analyst.

HIGH YIELD CORPORATES GET A BOOST FROM THE ECONOMY
The U.S. economy grew at an annual rate of approximately 3.5% during the first
half of 1997, a strong overall performance. A healthy economy helps high yield
issuers stay profitable and meet their debt commitments. Because credit quality
is such an important element in this market, it tends to overshadow other
factors normally associated with bonds. Rising interest rates -- so crucial to
most fixed-income securities --has less of a negative impact on high yield
bonds. 

MERGERS HELP PERFORMANCE 
This year, we benefited from merger and acquisition activity, as some of our
high yield issuers were acquired by investment grade companies. A few examples
include Mesa, an energy company that merged with Parker & Parsley, an investment
grade company. Greenwich Air and UNC, both aerospace manufacturing and service
companies in the portfolio, were acquired by General Electric Corp., a AAA rated
company. When a top-rated business acquires one of our high yield issuers, the
price of the high yield bond rises to reflect the stronger financial resources
of the new owner.

THE FUND'S TOTAL RETURN OUTPERFORMED ITS BENCHMARK
For the six months ended June 30, 1997, the total return for Class A shares,
based on net asset value, was 6.21%. In comparison, the CS First Boston High
Yield Index, an unmanaged benchmark, showed a total return of 5.86%. As of June
30, 1997, the 30-day SEC yield for Class A shares was 7.85%. 

STRATEGY: STICK WITH B OR BETTER 
The Fund was fully invested during the period, with a focus on single B issues
- -- the mid-quality segment of the high yield market. The higher quality end of
the market tends to trade more closely with Treasurys, and the lower quality end
tends to be more vulnerable to credit risk. 

Many of our companies are large household names such as Time Warner, U.S. Air
and Revlon. In general, we want to own the market leaders in a given industry.
Time Warner has valuable diversified media assets and outstanding management
that recognizes the importance of reducing debt. U.S. Air benefited from record
earnings and increased traffic, as well as a favorable change in management with
expectations of successful negotiations with unions. Revlon has reported 12
consecutive quarters of record profits, and recently received a new equity
investment by its largest shareholder.

OUTLOOK: BOOST QUALITY AS THE ECONOMY SLOWS
The current economic growth cycle is more than seven years old. If the economy
slows down substantially, we think it may be prudent to boost the quality -- and
remove the economic cyclicality of the high yield portfolio. Although we 
- --------------------------------------------------------------------------------

                                       4

<PAGE>
- --------------------------------------------------------------------------------
think the environment remains healthy for high yield companies, we expect to
avoid bonds issued by automakers and other companies whose fortunes depend on
the strength of the economy. We have increased our emphasis on bonds issued by
companies that we expect will probably be less affected by the economic cycle,
such as supermarkets and telecommunications. In general, we still believe that
high yield bonds should continue to be among the better performers in the
fixed-income universe.

<TABLE>
           COLONIAL HIGH YIELD SECURITIES FUND INVESTMENT PERFORMANCE
                    VS. THE CS FIRST BOSTON HIGH YIELD INDEX
                Change in Value of $10,000 from 6/30/87 - 6/30/97
                     Based on NAV and MOP for Class A Shares

<CAPTION>
     CHYSFA         NAV            MOP             FIRST BOSTON
     <S>            <C>            <C>                 <C>
     Jun 30, 87        10000           9525            10000
     Sep 30, 87     9919.155       9447.995             9955
     Dec 31, 87     9922.859       9451.523            10189
     Mar 31, 88      10506.2       10007.16            10768
     Jun 30, 88     10842.15       10327.15            11130
     Sep 30, 88     11069.01       10543.23            11326
     Dec 31, 88     11212.76       10680.15            11580
     Mar 31, 89     11406.04       10864.26            11782
     Jun 30, 89     11725.12       11168.18            12207
     Sep 30, 89     11587.66       11037.24            11955
     Dec 31, 89     11219.29       10686.38            11625
     Mar 31, 90      10684.8       10177.27            11325
     Jun 30, 90     11212.65       10680.05            11974
     Sep 30, 90     10052.22       9574.737            10892
     Dec 31, 90      9552.52       9098.774            10883
     Mar 31, 91     11010.83       10487.82            12899
     Jun 30, 91     12049.89       11477.52            13855
     Sep 30, 91     13012.33       12394.25            14916
     Dec 31, 91     13744.63       13091.75            15646
     Mar 31, 92     15149.16       14429.57            16926
     Jun 30, 92     15695.15       14949.63            17342
     Sep 30, 92     16405.21       15625.96            17968
     Dec 31, 92     16651.48       15860.54            18251
     Mar 31, 93     17686.54       16846.43            19524
     Jun 30, 93     18614.91        17730.7            20283
     Sep 30, 93     18958.69       18058.15            20786
     Dec 31, 93     19930.53       18983.83            21703
     Mar 31, 94     19979.91       19030.87            21472
     Jun 30, 94      19852.8       18909.79            21162
     Sep 30, 94      19902.7       18957.32            21500
     Dec 31, 94     19862.11       18918.66            21491
     Mar 31, 95     20706.32       19722.77            22502
     Jun 30, 95     21763.68        20729.9            23807
     Sep 30, 95     22505.93        21436.9            24522
     Dec 31, 95     23366.83        22256.9            25277
     Mar 31, 96     23779.16       22649.65            25773
     Jun 30, 96     24099.75       22955.01            26180
     Sep 30, 96     25342.27       24138.52            27162
     Dec 31, 96      26220.6       24975.12            28360
     Mar 31, 97     26484.52        25226.5            28778
     Jun 30, 97     27809.68       26488.72            30021
</TABLE>

A hypothetical $10,000 investment in Class B shares made on 6/8/92 at net asset
value (NAV) would have been valued at $17,186 on 6/30/97. The same investment
after deducting the applicable contingent deferred sales charges (CDSC) would
have grown to $16,986 on 6/30/97. A $10,000 investment in Class D shares made on
1/15/96 at NAV would have been valued at $11,699 on 6/30/97. The same investment
after deducting the maximum sales charge and applicable CDSC would be valued at
$11,582 on 6/30/97. The CS First Boston High Yield Index is an unmanaged index
that tracks the performance of high yield income funds. Unlike mutual funds,
indexes are not investments, do not incur fees or expenses and are not actively
managed. It is not possible to invest in an index.

                          AVERAGE ANNUAL TOTAL RETURNS
                 As of June 30, 1997 (most recent quarter end)
- --------------------------------------------------------------------------------
                     CLASS A SHARES      CLASS B SHARES       CLASS D SHARES
INCEPTION             10/21/71(1)            6/8/92              1/15/96
                     NAV       MOP       NAV      w/CDSC     NAV      MOP w/CDSC
- --------------------------------------------------------------------------------
1 year              15.56%    10.07%    14.70%     9.70%    14.70%     12.56%
- --------------------------------------------------------------------------------
5 years             12.15     11.07     11.29     11.03      --         --
- --------------------------------------------------------------------------------
10 years            10.78     10.25      --        --        --         --
- --------------------------------------------------------------------------------
Since inception/ 
change in policy    12.88     12.57     11.28     11.02     11.34      10.58
- --------------------------------------------------------------------------------

(1) Colonial High Yield Securities Fund adopted its current investment policies
on 3/31/80.

Returns and value of an investment will vary, resulting in a gain or loss on
sale. All results shown assume reinvestment of distributions. NAV returns do not
include sales charges or CDSC. Maximum offering price (MOP) returns include the
maximum sales charges of 4.75% for Class A and 1% for Class D. The CDSC returns
reflect the maximum charges of 5% for one year, 2% for five years and 2% since
inception for Class B and 1% for Class D. Effective July 1, 1997, Class D shares
were converted to Class C shares.
- --------------------------------------------------------------------------------

                                       5
<PAGE>
<TABLE>
                              INVESTMENT PORTFOLIO
                     JUNE 30, 1997 (UNAUDITED, IN THOUSANDS)

<CAPTION>
BONDS & NOTES - 88.6%                                        PAR             VALUE
- ----------------------------------------------------------------------------------
CORPORATE FIXED INCOME BONDS & NOTES - 88.4%
- ----------------------------------------------------------------------------------
CONSTRUCTION - 0.1%                                 
 BUILDING CONSTRUCTION                              
 Falcon Building Products                           
  stepped coupon, (10.500% 06/15/02)
<S>                      <C>           <C>           <C>              <C>         
                         (a)           06/15/07(b)   $      1,500     $        900
                                                                      ------------

- ----------------------------------------------------------------------------------
MANUFACTURING - 34.7%                               
 CHEMICALS & ALLIED PRODUCTS - 8.6%                 
 Agricultural Minerals Co., L.P.,                   
                         10.750%       09/30/03             9,050            9,616
 Applied Extrusion Technologies Inc.,               
                         11.500%       04/01/02             7,000            7,350
 Energy Ventures, Inc.,                             
                         10.250%       03/15/04             3,850            4,139
 Revlon Consumer Products Corp.,                    
                         10.500%       02/15/03            16,000           17,080
 Revlon Worldwide                                  
                         (c)           03/15/01            22,000           14,905
 Sterling Chemicals Holdings                       
                         13.500%       08/15/08             4,000            2,650
 Sterling Chemicals, Inc.:                          
                         11.250%       04/01/07(b)          3,000            3,187
                         11.750%       08/15/06            14,000           15,120
 Texas Petrochemical Corp.,                               
                         11.125%       07/01/06             9,500           10,165
 Trans-Resources Corp.,                                   
                         11.875%       07/01/02             4,000            4,120
                                                                      ------------
                                                                            88,332
                                                                      ------------

 ELECTRONIC & ELECTRICAL EQUIPMENT - 5.8%           
 Amphenol Corp.,                                    
                         9.875%        05/15/07             8,900            9,189
 Delco Remy International, Inc.,                                       
                         10.625%       08/01/06(b)          2,765            2,945
 K&F Industries, Inc.,                                                 
                         10.375%       09/01/04            12,595           13,539
 L-3 Communications Corp.,                                             
                         10.375%       05/01/07(b)          2,250            2,385
 LDM Technologies Inc.,                                                
                         10.750%       01/15/07             9,700           10,258
 Unisys Corp.,                                                         
                         11.750%       10/15/04            20,000           21,700
                                                                      ------------
                                                                            60,016
                                                                      ------------
</TABLE>

                                        6
<PAGE>
<TABLE>
                       INVESTMENT PORTFOLIO/JUNE 30, 1997
- ----------------------------------------------------------------------------------

 FABRICATED METAL - 1.6%                            
 Euramax International PLC,                         
<S>                      <C>           <C>           <C>              <C>         
                         11.250%       10/01/06(d)   $       12,750   $     13,706
 Renco Metals, Inc.,                                    
                         11.500%       07/01/03               3,000          3,210
                                                                      ------------
                                                                            16,916
                                                                      ------------
                                      
 FOOD & KINDRED PRODUCTS - 0.7%                         
 Pilgrim's Pride Corp.,                                 
                         10.875%       08/01/03               1,600          1,656
 Sun World International,                               
                         11.250%       04/15/04(b)            5,350          5,577
                                                                      ------------
                                                                             7,233
                                                                      ------------

 MACHINERY & COMPUTER EQUIPMENT - 1.0%              
 IMO Industries,                                    
                         11.750%       05/01/06               8,530         10,204
                                                                      ------------

 MEASURING & ANALYZING INSTRUMENTS - 0.6%           
 Intertek Finance PLC,                              
                         10.250%       11/01/06               5,625          5,864
                                                                      ------------

 MISCELLANEOUS MANUFACTURING - 3.8%                 
 Borg Warner  Security,                             
                          9.625%       03/15/07(b)            6,600          6,699
 Building Materials Corp. of America,               
  stepped coupon, (11.750% 07/01/99)
                          (a)          07/01/04              14,200         12,886
 ISP Holdings Inc.,                                 
                          9.750%       02/15/02               8,492          9,001
 Polymer Group Inc.,                                
                          9.000%       07/01/07               3,500          3,444
 Shop Vac Corp.,                                    
                         10.625%       09/01/03               6,500          6,923
                                                                      ------------
                                                                            38,953
                                                                      ------------

 PAPER PRODUCTS - 2.8%                              
 Florida Coast Paper LLC,                           
                         12.750%       06/01/03              2,000           2,070
 Gaylord Container Corp.:                           
                          9.750%       06/15/07(b)           1,500           1,504
                         12.750%       05/15/05              7,000           7,656
 Ivaco Inc.,                                        
                         11.500%       09/15/05              7,500           7,988
 Stone Container Corp.:                             
                         12.250%       04/01/02              4,500           4,635
                         10.750%       10/01/02              5,000           5,206
                                                                     -------------
                                                                            29,059
                                                                     -------------
</TABLE>

                                       7

<PAGE>
<TABLE>
                       INVESTMENT PORTFOLIO/JUNE 30, 1997
- ----------------------------------------------------------------------------------
<CAPTION>
CORPORATE FIXED INCOME BONDS &
NOTES - CONT.                                                PAR             VALUE
- ----------------------------------------------------------------------------------
MANUFACTURING - CONT.
 PETROLEUM REFINING - 0.3%                          
 Flores & Rucks, Inc.,                              
<S>                      <C>           <C>           <C>              <C>         
                         13.500%       12/01/04      $        3,000   $      3,593
                                                                      ------------

 PRIMARY METAL - 4.0%                               
 Algoma Steel, Inc.,                                
                         12.375%       07/15/05              19,640         21,751
 Kaiser Aluminum & Chemical Corp.:                  
                         10.875%       10/15/06              12,025         12,927
                         12.750%       02/01/03               6,000          6,518
                                                                     -------------
                                                                            41,196
                                                                     -------------

 PRINTING & PUBLISHING - 0.6%                       
 Hollinger International Publishing,                
                         9.250%        03/15/07               6,000          6,150
                                                                      ------------

 RUBBER & PLASTIC - 0.4%                            
 Berry Plastics Corp.,                              
                         12.250%       04/15/04               3,500          3,850
                                                                      ------------

 STONE, CLAY, GLASS & CONCRETE - 1.6%               
 Anchor Glass Container Corp.,                      
                         11.250%       04/01/05(b)            2,250          2,408
 Owens-Illinois, Inc.,                              
                         9.950%        10/15/04              13,000         13,747
                                                                      ------------
                                                                            16,155
                                                                      ------------

 TEXTILE MILL PRODUCTS - 1.0%                       
 Collins & Aikman CKC,                              
                         10.000%       01/15/07               9,950         10,074
                                                                      ------------

 TRANSPORTATION EQUIPMENT - 1.9%                    
 Aftermarket Technology Corp.,                      
  Series B,                                         
                         12.000%       08/01/04               4,947          5,516
 Collins & Aikman Products Co.,                     
                         11.500%       04/15/06              12,050         13,647
                                                                      ------------
                                                                            19,163
                                                                      ------------

- ----------------------------------------------------------------------------------
MINING & ENERGY - 10.9%                             
 CRUDE PETROLEUM & NATURAL GAS - 1.3%               
 TransAmerica Energy Corp.:                         
                         11.500%       06/15/02(b)            8,975          8,751
  stepped coupon, (13.000% 06/15/99)
                         (a)           06/15/02(b)            6,750          4,927
                                                                      ------------
                                                                            13,678
                                                                      ------------
</TABLE>

                                       8
<PAGE>
<TABLE>
                       INVESTMENT PORTFOLIO/JUNE 30, 1997
- ----------------------------------------------------------------------------------

 OIL & GAS EXTRACTION - 7.9%                        
 DI Industries, Inc.,                               
<S>                      <C>           <C>           <C>              <C>         
                          8.875%       07/01/07      $        2,750   $      2,709
 Forcenergy, Inc.,                                  
                          9.500%       11/01/06               6,285          6,489
 HS Resources, Inc.,                                
                          9.250%       11/15/06              11,000         11,055
 Mariner Energy Corp.,                              
                         10.500%       08/01/06              11,250         11,784
 Maxus Energy Corp.,                                
                         11.250%       05/01/13                 353            360
 Mesa Operating Co.:                                
  stepped coupon, (11.625% 07/01/01)
                         (a)           07/01/06              17,150         13,248
                         10.625%       07/01/06              13,950         15,851
 Nuevo Energy Co.,                                  
                          9.500%       04/15/06               6,850          7,124
 Santa Fe Energy Resources, Inc.,                   
                         11.000%       05/15/04               4,000          4,350
 United Meridian Corp.,                             
                         10.375%       10/15/05               8,000          8,660
                                                                      ------------
                                                                            81,630
                                                                      ------------

 OIL & GAS FIELD SERVICES - 1.7%                    
 Falcon Drilling Co., Inc.,                         
  Series B,                                         
                          9.750%       01/15/01                 500            517
  Magnum Hunter Resources,                           
                         10.000%       06/01/07(b)            6,250          6,211
  Parker Drilling Corp.,                             
                         9.750%        11/15/06              10,000         10,475
                                                                      ------------
                                                                            17,203
                                                                      ------------

- ----------------------------------------------------------------------------------
 RETAIL TRADE - 6.3%                                 
  APPAREL & ACCESSORY STORES - 0.4%                  
  William Carter, Inc.,                              
                         10.375%       12/01/06               3,500          3,693
                                                                      ------------

  FOOD STORES - 5.6%                                 
  Di Giorgio Corp.,                                  
                         10.000%       06/15/07               1,800          1,782
  Grand Union Co.,                                   
                         12.000%       09/01/04               2,500          1,813
  Pathmark Stores, Inc.:                             
                          9.625%       05/01/03              17,000         16,363
   stepped coupon, (10.750% 11/01/99)
                          (a)          11/01/03               3,000          2,070
</TABLE>

                                       9

<PAGE>
<TABLE>
                       INVESTMENT PORTFOLIO/JUNE 30, 1997
- ----------------------------------------------------------------------------------
<CAPTION>
CORPORATE FIXED INCOME BONDS &
NOTES - CONT.                                                PAR             VALUE
- ----------------------------------------------------------------------------------
RETAIL TRADE - CONT.
 FOOD STORES - CONT.
 Ralphs Grocery Co.:                                
<S>                      <C>           <C>           <C>              <C>         
                         10.450%       06/15/04      $        4,000   $      4,290
                         10.450%       06/15/04              13,000         13,942
 Shoppers Food Warehouse,                            
                          9.750%       06/15/04(b)            6,750          6,733
 Smiths Food & Drug Centers,                        
                         11.250%       05/15/07               2,000          2,350
 Star Markets Co.,                                  
                         13.000%       11/01/04               7,000          7,945
                                                                      ------------
                                                                            57,288
                                                                      ------------

 HOME FURNISHINGS & EQUIPMENT - 0.3%                
 Syratech Corp.,                                    
                         11.000%       04/15/07               2,500          2,656
                                                                      ------------

- ----------------------------------------------------------------------------------
SERVICES - 9.4%                                     
 AMUSEMENT & RECREATION - 0.6%                      
 E&S Holdings Corp.,                                
                         10.375%       10/01/06               3,475          3,649
 Lodgenet Entertainment PP,                         
                         10.250%       12/15/06               2,500          2,531
                                                                      ------------
                                                                             6,180
                                                                      ------------

 BUSINESS SERVICES - 0.4%                           
 Pierce Leahy Corp.:                                
                          9.125%       07/15/07                1,000         1,000
                         11.125%       07/15/06                3,000         3,300
                                                                      ------------
                                                                             4,300
                                                                      ------------

 HOTELS, CAMPS & LODGING - 8.3%                     
 Aztar Corp.,                                       
                         13.750%       10/01/04               1,500          1,718
 Casino Magic-Louisiana,                            
                         13.000%       08/15/03(b)            4,000          3,420
 Eldorado Resorts LLC,                              
                         10.500%       08/15/06              11,000         11,825
 Harvey Casinos Resorts,                            
                         10.625%       06/01/06               8,500          9,137
 HMH Properties, Inc.,                              
                          9.500%       05/15/05              12,000         12,480
 Horseshoe Gaming LLC,                              
                          9.375%       06/15/07(b)            6,000          6,053
 Showboat, Inc.,                                    
                         13.000%       08/01/09              14,470         16,640
</TABLE>

                                       10
<PAGE>
<TABLE>
                       INVESTMENT PORTFOLIO/JUNE 30, 1997
- ----------------------------------------------------------------------------------

 Showboat Marina Partnership,                       
  Series B,                                         
<S>                      <C>           <C>           <C>              <C>         
                         13.500%       03/15/03      $        5,000    $     5,725
 Station Casinos, Inc.,                             
                         10.125%       03/15/06               4,750          4,797
 Wyndham Hotel Corp.,                               
                         10.500%       05/15/06              12,500         14,125
                                                                      ------------
                                                                            85,920
                                                                      ------------
 OTHER SERVICES - 0.1%                              
 Citadel Broadcasting Co.,                          
                         10.250%       07/01/07               1,500          1,500
                                                                      ------------

- ----------------------------------------------------------------------------------
TRANSPORTATION, COMMUNICATION, ELECTRIC,
GAS & SANITARY SERVICES - 27.0%
 AIR TRANSPORTATION - 3.8%                          
 Greenwich Air Services, Inc.,                      
                         10.500%       06/01/06               4,775          5,491
 UNC, Inc.,                                         
                         11.000%       06/01/06               5,400          6,332
 U.S. Air, Inc.,                                    
                         10.375%       03/01/13              24,154         26,751
                                                                      ------------
                                                                            38,574
                                                                      ------------

 BROADCASTING - 2.7%                                
 NWCG Holding Corp.,                                
                         (c)           06/15/99               3,725          3,269
 SFX Broadcasting,                                  
                         10.750%       05/15/06               6,900          7,521
 Sullivan Broadcasting, Inc.,                       
                         10.250%       12/15/05               9,500          9,690
 Young Broadcasting Corp.:                          
                         10.125%       02/15/05               1,000          1,050
                         11.750%       11/15/04               6,000          6,630
                                                                      ------------
                                                                            28,160
                                                                      ------------

 CABLE - 5.6%                                       
 Comcast UK Cable Partners Ltd.,                    
  stepped coupon, (11.200% 11/15/00)
                         (a)           11/15/07              10,500          7,981
 Diamond Cable Communication PLC,                   
  stepped coupon, (11.750% 12/15/00)
                         (a)           12/15/05(d)            5,000          3,375
 International CableTel, Inc.:                      
  stepped coupon, (12.750% 04/15/00)
                         (a)           04/15/05               1,500          1,155
  stepped coupon, (11.500% 02/01/01)
                         (a)           02/01/06              12,000          8,250
</TABLE>

                                       11

<PAGE>
<TABLE>
                       INVESTMENT PORTFOLIO/JUNE 30, 1997
- ----------------------------------------------------------------------------------
<CAPTION>
CORPORATE FIXED INCOME BONDS &
NOTES - CONT.                                                PAR             VALUE
- ----------------------------------------------------------------------------------
TRANSPORTATION, COMMUNICATION, ELECTRIC,
GAS & SANITARY SERVICES - CONT.                     
 CABLE - CONT.
 Groupe Videotron Ltd.,                             
<S>                      <C>           <C>           <C>              <C>         
                         10.625%       02/15/05(e)   $       10,000   $     11,150
 Marcus Cable Co.:                                  
  stepped coupon, (13.500% 08/01/99)
                         (a)           08/01/04               8,500          7,342
  stepped coupon, (14.250% 06/15/00)
                         (a)           12/15/05               8,100          6,399
 Rogers Cablesystems, Inc.,                         
                         10.000%       03/15/05               4,485          4,866
 Telewest Communication PLC,                        
  stepped coupon, (11.000% 10/01/00)
                         (a)           10/01/07(d)             9,500         6,887
                                                                      ------------
                                                                            57,405
                                                                      ------------

 COMMUNICATIONS - 6.5%                              
 Allbritton Communications Co.,                     
                           9.750%      11/30/07               8,500          8,436
 Brooks Fiber Properties, Inc.,                     
  stepped coupon, (11.875% 11/01/01)
                          (a)          11/01/06               3,000          1,950
 Cablevision Systems Corp.,                          
                           9.250%      11/01/05               1,500          1,553
 Comcast Cellular Corp.,                            
                           9.500%      05/01/07(b)            9,250          9,319
 Diamond Cable Communications PLC,                  
  stepped coupon, (10.750% 02/15/02)
                           (a)         02/15/07(b)            6,000          3,540
 PriCellular Wireless Corp.:                        
                         10.750%       11/01/04               4,000          4,140
  stepped coupon, (12.250% 10/01/98)
                          (a)          10/01/03               3,165          2,967
  stepped coupon, (14.000% 11/15/97)
                          (a)          11/15/01               4,000          4,260
 Sprint Spectrum L.P.,                              
  stepped coupon, (12.500% 08/15/01)
                          (a)          08/15/06              24,700         17,907
 Teleport Communications, Inc.,                     
  stepped coupon, (11.125% 07/01/01)
                          (a)          07/01/07              17,025         12,301
                                                                      ------------
                                                                            66,373
                                                                      ------------

 ELECTRIC, GAS & SANITARY SERVICES - 0.4%           
 Allied Waste Industries                            
  stepped coupon, (11.300% 06/01/02)
                          (a)          06/01/07(b)            6,000          3,765
                                                                      ------------
</TABLE>

                                       12
<PAGE>
<TABLE>
                       INVESTMENT PORTFOLIO/JUNE 30, 1997
- ----------------------------------------------------------------------------------

 GAS SERVICES - 0.5%                                
 California Energy Co., Inc.,                       
<S>                      <C>           <C>           <C>              <C>         
                         9.875%        06/30/03      $        2,750   $      2,943
 Midland Cogeneration Venture L.P.,                 
                        10.330%        07/23/02               2,355          2,520
                                                                      ------------
                                                                             5,463
                                                                      ------------

 MOTOR FREIGHT & WAREHOUSING - 0.2%                 
 Ryder TRS, Inc.,                                   
                        10.000%        12/01/06               1,650          1,700
                                                                      ------------

 SANITARY SERVICES - 1.4%                           
 Allied Waste North America,                        
                        10.250%        12/01/06(b)           13,435         14,359
                                                                      ------------

 TELECOMMUNICATION - 5.8%                           
 Brooks Fiber Properties, Inc.,                     
  stepped coupon, (10.875% 03/01/01)
                         (a)           03/01/06               4,000          2,720
 Echostar Communications Corp.,                     
  stepped coupon, (12.875% 06/01/99)
                         (a)           06/01/04              14,000         11,760
 Mcleod Inc.,                                       
  stepped coupon, (10.500% 03/01/02)
                         (a)           03/01/07(b)           10,000          6,350
 Nextel Communications, Inc.,                       
  stepped coupon, (9.750% 02/15/99)                 
                         (a)           08/15/04              21,500         16,555
 Panamsat Corp., L.P.,                              
  stepped coupon, (11.375% 08/01/98)
                         (a)           08/01/03              16,000         15,520
 Shared Technologies Fairchild, Inc.,               
  stepped coupon, (12.250% 03/01/99)
                         (a)           03/01/06               7,025          6,305
 WinStar Communications, Inc.,                      
  stepped coupon, (14.000% 10/15/00)
                         (a)           10/15/05               1,100            610
                                                                      ------------
                                                                            59,820
                                                                      ------------

 TRANSPORTATION SERVICES - 0.1%                     
 Williams Scotsman, Inc.,                           
                         9.875%        06/01/07               1,500          1,493
                                                                      ------------

TOTAL CORPORATE FIXED INCOME BONDS & NOTES
 (cost of $878,795)                                                        908,818
                                                                      ------------
</TABLE>

                                       13
<PAGE>
<TABLE>
                       INVESTMENT PORTFOLIO/JUNE 30, 1997
- ----------------------------------------------------------------------------------
<CAPTION>
BONDS & NOTES - CONT.                                        PAR             VALUE
- ----------------------------------------------------------------------------------
FOREIGN GOVERNMENT OBLIGATIONS - 0.2%
- ----------------------------------------------------------------------------------
 Republic of Venezuela
<S>                      <C>           <C>           <C>              <C>         
  (cost of $1,572)       6.750%        03/31/20(f)   $        2,000   $      1,575
                                                                      ------------

 TOTAL BONDS & NOTES (cost of $880,367)                                    910,393
                                                                      ------------

PREFERRED STOCKS - 7.1%                                 SHARES
- ----------------------------------------------------------------------------------
MANUFACTURING - 0.2%                                
 PRINTING & PUBLISHING                              
 K-III Communications Corp.                                      60          1,612
                                                                     -------------

 .................................................................................
RETAIL TRADE - 0.1%                                 
 FOOD STORES                                        
 Supermarkets General Holdings, $3.520                           60          1,230
                                                                      ------------

- ----------------------------------------------------------------------------------
TRANSPORTATION, COMMUNICATION, ELECTRIC,
GAS & SANITARY SERVICES - 6.8%
 CABLE - 6.4%                                       
 Cablevision Systems Corp.:                                         
  11.125%, Series M, PIK                                        155         15,600
  11.750%, Series H, PIK                                        151         15,683
 Time Warner, Inc.,                                                 
  10.250%, Series M                                              31         34,259
                                                                      ------------
                                                                            65,542
                                                                      ------------

  COMMUNICATIONS - 0.4%                              
  K-III Communications Corp.,                                        
   10.000%                                                       15          1,519
  PanAmSat Corp.,                                                    
   Series 12.750%                                                 2          2,679
                                                                      ------------
                                                                             4,198
                                                                      ------------

TOTAL PREFERRED STOCKS (cost of $70,081)                                    72,582
                                                                      ------------

COMMON STOCKS - 0.5%                                
- ----------------------------------------------------------------------------------
MANUFACTURING - 0.1%                                
 CHEMICALS & ALLIED PRODUCTS - 0.0%                 
 Crompton & Knowles Corp.                                        14            317
                                                                      ------------

 FOOD & KINDRED PRODUCTS - 0.1%                     
 Darling International, Inc. (g)                                 17            434
 Dr. Pepper Bottling Company of Texas,                              
  Series A (g)                                                   40            720
                                                                      ------------
                                                                             1,154
                                                                      ------------
</TABLE>

                                       14
<PAGE>
<TABLE>
                       INVESTMENT PORTFOLIO/JUNE 30, 1997
- ----------------------------------------------------------------------------------
MINING & ENERGY - 0.3%                              
 OIL & GAS EXTRACTION - 0.2%                        
<S>                                                              <C>  <C>       
 Gulf Canada Resources, Ltd. (g)                                 15   $      1,247
 Mesa, Inc. (g)                                                  49            280
                                                                      ------------
                                                                             1,527
                                                                      ------------

 OIL & GAS FIELD SERVICES - 0.1%                    
 Parker Drilling Co. (g)                                        100          1,113
                                                                      ------------

- ----------------------------------------------------------------------------------
RETAIL TRADE - 0.0%                                 
 MISCELLANEOUS RETAIL - 0.0%                        
 Macleod-Stedman, Inc. (g)(h)                                   425              4
 Pharmhouse Corp. (g)                                             1              6
                                                                      ------------
                                                                                10
                                                                      ------------

 RESTAURANTS - 0.0%                                 
 Host Marriott Corp.                                              8            134
                                                                      ------------

- ----------------------------------------------------------------------------------
SERVICES - 0.1%                                     
 AMUSEMENT & RECREATION                             
 Alliance Gaming Corp. (g)                                      175            656
                                                                     -------------

- ----------------------------------------------------------------------------------
TRANSPORTATION, COMMUNICATION, ELECTRIC,
GAS & SANITARY SERVICES - 0.0%
 COMMUNICATIONS - 0.0%                              
 EchoStar Communications Corp. (g)                                9            141
                                                                      ------------

 ELECTRIC SERVICES - 0.0%                           
 Baycorp Holdings, Ltd. (g)                                     (i)            (i)
                                                                      ------------

 GAS SERVICES - 0.0%                                
 United Gas Holdings Corp. (g)(h)                                22            312
                                                                      ------------

 LOCAL & SUBURBAN TRANSIT - 0.0%                    
 Greyhound Lines, Inc., 12.500% Escrow                              
  Receipt (g)(h)                                                  2            (i)
 Greyhound Lines, Inc., 13.000% Escrow                              
  Receipt (g)(h)                                                  1            (i)
                                                                      ------------
                                                                               (i)
                                                                      ------------

  MOTOR FREIGHT & WAREHOUSING - 0.0%                 
  St. Johnsbury Trucking Co. (g)(h)                              79             79
  Sun Carriers, Inc. (g)(h)                                     326              3
                                                                      ------------
                                                                                82
                                                                      ------------

 TOTAL COMMON STOCKS (cost of $4,952)                                        5,446
                                                                      ------------
</TABLE>

                                       15
<PAGE>
<TABLE>
                       INVESTMENT PORTFOLIO/JUNE 30, 1997
- ----------------------------------------------------------------------------------
<CAPTION>
RIGHTS & WARRANTS (g) - 0.0%                            SHARES               VALUE
- ----------------------------------------------------------------------------------
MANUFACTURING - 0.0%
 RUBBER & PLASTIC
 BPC Holdings Corp.
<S>                                                              <C>  <C>       
   expires 04/15/04                                               4   $         70
                                                                      ------------

- ----------------------------------------------------------------------------------
PUBLIC ADMINISTRATION - 0.0%
 GENERAL GOVERNMENT
 Venezuela Government Rights W/ Series A&B (h)                   10            (i)
                                                                      ------------

- ----------------------------------------------------------------------------------
SERVICES - 0.0%
 HEALTH SERVICES - 0.0%
 Wright Medical Technology
   expires 06/15/03                                               1            144
                                                                      ------------

 HOTELS, CAMPS & LODGING - 0.0%
 Capital Gaming International, Inc.,
   expires 02/01/99                                               6            (i)
                                                                      ------------

- ----------------------------------------------------------------------------------
TRANSPORTATION COMMUNICATION, ELECTRIC,
GAS & SANITARY SERVICES - 0.0%
 COMMUNICATIONS
 American Telecasting, Inc.
   expires 08/10/00(b)                                            9             1
 Intermedia Communications, Inc.
   expires 06/01/00                                               1            40
 Wireless One Inc.
   expires 10/19/00                                              20           (i)
                                                                      ------------
                                                                               41
                                                                      ------------

TOTAL RIGHTS & WARRANTS (cost of $468)                                        255
                                                                      ------------

TOTAL INVESTMENTS - 96.2% (cost of $955,868)(j)                           988,676
                                                                      ------------

SHORT-TERM OBLIGATIONS - 4.6%                                   PAR
- ----------------------------------------------------------------------------------
 Federal Home Loan Mortgage Corp.
(cost of $47,361)        6.000% (k)    07/01/97      $       47,361        47,361
                                                                      ------------

OTHER ASSETS & LIABILITIES, NET - (0.8)%                                   (7,996)
- ----------------------------------------------------------------------------------

 NET ASSETS - 100.0%                                                  $ 1,028,041
                                                                      ============
</TABLE>

                                       16
<PAGE>
                       INVESTMENT PORTFOLIO/JUNE 30, 1997
- --------------------------------------------------------------------------------
NOTES TO INVESTMENT PORTFOLIO:
- --------------------------------------------------------------------------------

(a)  Currently zero coupon.  Shown parenthetically is the interest to be
     paid and the date the Fund will begin accruing this rate.
(b)  Security is exempt from registration under Rule 144A of the Securities
     Act of 1933.  These securities may be resold in transactions exempt from
     registration, normally to qualified institutional buyers.  At June 30, 
     1997, the value of these securities amounted to $107,470 or 10.5% of net 
     assets.
(c)  Zero coupon bond.
(d)  This is a British security.  Par amount is stated in U.S. dollars.
(e)  This is a Canadian security.  Par amount is stated in U.S. dollars.
(f)  This is a Venezuelan security.  Par amount is stated in U.S. dollars.
(g)  Non-income producing.
(h)  The value of this security represents fair value as determined in
     good faith under the direction of the Trustees.
(i)  Rounds to less than one.
(j)  Cost for federal income tax purposes of total investments and
     short-term obligations is $1,003,662.
(k)  Rate represents yield at date of purchase.

                   Acronym                             Name
                  ---------                      -----------------
                     PIK                          Payment-In-Kind




See notes to financial statements.

                                       17
<PAGE>
<TABLE>
                        STATEMENT OF ASSETS & LIABILITIES
                            JUNE 30, 1997 (UNAUDITED)

(in thousands except for per share amounts and footnotes)
ASSETS
<S>                                                <C>          <C>
Investments at value (cost $955,868)                            $         988,676
Short-term obligations (cost $47,361)                                      47,361
                                                                    --------------
                                                                        1,036,037
Receivable for:
  Investments sold                                 $       21,657
  Interest                                                 17,644
  Fund shares sold                                          3,967
Other                                                          14          43,282
                                                      ------------  --------------
    Total Assets                                                        1,079,319

LIABILITIES
Payable for:
  Investments purchased                                    39,352
  Distributions to shareholders                             6,973
  Fund shares repurchased                                   4,716
Accrued:
  Deferred Trustees fees                                        8
Other                                                         229
                                                      ------------
    Total Liabilities                                                      51,278
                                                                    --------------

NET ASSETS                                                      $       1,028,041
                                                                    ==============
Net asset value & redemption price per share -
Class A ($562,357/79,935)                                                   $7.04
                                                                    ==============

Maximum offering price per share - Class A
($7.04/0.9525)                                                              $7.39 (a)
                                                                    ==============

Net asset value & offering price per share -
Class B ($453,575/64,472)                                                   $7.04 (b)
                                                                    ==============

Net asset value & redemption price per share -
Class D ($12,109/1,721)                                                     $7.04 (b)
                                                                    ==============

Maximum offering price per share - Class D
($7.04/0.9900)                                                              $7.11
                                                                    ==============

COMPOSITION OF NET ASSETS
Capital paid in                                                 $       1,040,428
Undistributed net investment income                                         2,294
Accumulated net realized loss                                             (47,489)
Net unrealized appreciation                                                32,808
                                                                    --------------
                                                                $       1,028,041
                                                                    ==============
</TABLE>

(a) On sales of $50,000 or more the offering price is reduced.
(b) Redemption price per share is equal to net asset value less any applicable
    contingent deferred sales charge.

See notes to financial statements.

                                       18
<PAGE>
<TABLE>
                             STATEMENT OF OPERATIONS
                     FOR THE SIX MONTHS ENDED JUNE 30, 1997
                                   (UNAUDITED)


(in thousands)
INVESTMENT INCOME
<S>                                                <C>          <C>
Interest                                                        $          45,250
Dividends                                                                   2,945
                                                                    --------------
     Total investment income                                               48,195

EXPENSES
Management fee                                     $        2,921
Service fee                                                 1,221
Distribution fee - Class B                                  1,603
Distribution fee - Class D                                     33
Transfer agent                                              1,395
Bookkeeping fee                                               175
Trustees fee                                                   25
Custodian fee                                                   2
Audit fee                                                      23
Legal fee                                                       6
Registration fee                                               61
Reports to shareholders                                        15
Other                                                          22           7,502
                                                      ------------  --------------
       Net Investment Income                                               40,693
                                                                    --------------



NET REALIZED & UNREALIZED GAIN ON PORTFOLIO POSITIONS
Net realized gain                                          12,513
Net unrealized appreciation during
 the period                                                 3,363
                                                      ------------
       Net Gain                                                            15,876
                                                                    --------------
Net Increase in Net Assets from Operations                      $          56,569
                                                                    ==============
</TABLE>




See notes to financial statements.

                                       19
<PAGE>
<TABLE>

                       STATEMENT OF CHANGES IN NET ASSETS
<CAPTION>
                                                      (Unaudited)
                                                       Six months
                                                         ended        Year ended
 (in thousands)                                         June 30       December 31
                                                      ============  ==============
INCREASE (DECREASE) IN NET ASSETS                        1997            1996
Operations:
<S>                                                 <C>           <C>
Net investment income                               $      40,693 $        73,695
Net realized gain                                          12,513          22,242
Net unrealized appreciation                                 3,363           2,536
                                                      ------------  --------------
    Net Increase from Operations                           56,569          98,473
Distributions:
From net investment income - Class A                      (23,190)        (43,790)
From net investment income - Class B                      (16,847)        (30,452)
From net investment income - Class D                         (345)           (199)
                                                      ------------  --------------
                                                           16,187          24,032
                                                      ------------  --------------
Fund Share Transactions (a):
Receipts for shares sold - Class A                        137,282         180,185
Value of distributions reinvested - Class A                 8,634          19,557
Cost of shares repurchased - Class A                     (115,477)       (156,993)
                                                      ------------  --------------
                                                           30,439          42,749
                                                      ------------  --------------
Receipts for shares sold - Class B                        122,514         170,461
Value of distributions reinvested - Class B                 6,550          14,258
Cost of shares repurchased - Class B                      (93,771)       (135,147)
                                                      ------------  --------------
                                                           35,293          49,572
                                                      ------------  --------------
Receipts for shares sold - Class D                         11,896           7,808
Value of distributions reinvested - Class D                   184             146
Cost of shares repurchased - Class D                       (6,201)         (2,037)
                                                      ------------  --------------
                                                            5,879           5,917
                                                      ------------  --------------
    Net Increase from Fund Share Transactions              71,611          98,238
                                                      ------------  --------------
        Total Increase                                     87,798         122,270
NET ASSETS
Beginning of period                                       940,243         817,973
                                                      ------------  --------------
End of period (including undistributed net
  investment income of $2,294 and $1,450,
  respectively)                                     $   1,028,041 $       940,243
                                                      ============  ==============
</TABLE>

(a) Class D shares were initially offered on January 15, 1996.




Continued on next page.

See notes to financial statements.

                                       20
<PAGE>
<TABLE>
                   STATEMENT OF CHANGES IN NET ASSETS - CONT.
<CAPTION>
                                                      (Unaudited)
                                                       Six months
                                                         ended       Year ended
                                                        June 30      December 31
                                                      ============  ==============
                                                         1997            1996

NUMBER OF FUND SHARES (a)
<S>                                                 <C>           <C>
Sold - Class A                                             19,791          26,664
Issued for distributions reinvested - Class A               1,247           2,883
Repurchased - Class A                                     (16,659)        (23,201)
                                                      ------------  --------------
                                                            4,379           6,346
                                                      ------------  --------------
Sold - Class B                                             17,666          25,190
Issued for distributions reinvested - Class B                 946           2,102
Repurchased - Class B                                     (13,526)        (19,949)
                                                      ------------  --------------
                                                            5,086           7,343
                                                      ------------  --------------
Sold - Class D                                              1,713           1,153
Issued for distributions reinvested - Class D                  26              21
Repurchased - Class D                                        (893)           (299)
                                                      ------------  --------------
                                                              846             875
                                                      ------------  --------------
</TABLE>

(a) Class D shares were initially offered on January 15, 1996.




See notes to financial statements.

                                       21
<PAGE>
                          NOTES TO FINANCIAL STATEMENTS
                            JUNE 30, 1997 (UNAUDITED)


NOTE 1. INTERIM FINANCIAL STATEMENTS
- --------------------------------------------------------------------------------
In the opinion of management of Colonial High Yield Securities Fund (the
Fund), a series of Colonial Trust I, the accompanying financial statements
contain all normal and recurring adjustments necessary for the fair
presentation of the financial position of the Fund at June 30, 1997, and the
results of its operations, the changes in its net assets and the financial
highlights for the six months then ended.

NOTE 2. ACCOUNTING POLICIES
- --------------------------------------------------------------------------------
ORGANIZATION:  The Fund is a diversified portfolio of a Massachusetts
business trust, registered under the Investment Company Act of 1940, as
amended, as an open-end management investment company.  The Fund's
investment objective is to seek high current income and total return by
investing primarily in lower rated corporate debt securities. The Fund may
issue an unlimited number of shares.  The Fund offers three classes of shares:
Class A, Class B and Class D.  Class A shares are sold with a front-end sales
charge and Class B shares are subject to an annual distribution fee and a
contingent deferred sales charge.  Class B shares will convert to Class A
shares when they have been outstanding approximately eight years.  Class
D shares are subject to a reduced front-end sales charge, a contingent
deferred sales charge on redemptions made within one year after purchase,
and a continuing distribution fee.

The preparation of financial statements in conformity with generally
accepted accounting principles requires management to make estimates and
assumptions that affect the reported amounts of assets and liabilities and
disclosure of contingent assets and liabilities at the date of the financial
statements and the reported amounts of revenues and expenses during the
reporting period.  Actual results could differ from those estimates.  The
following is a summary of significant accounting policies that are
consistently followed by the Fund in the preparation of its financial
statements.

SECURITY VALUATION AND TRANSACTIONS:  Debt securities generally are
valued by a pricing service based upon market transactions for normal,
institutional-size trading units of similar securities.  When management
deems it appropriate, an over-the-counter or exchange bid quotation is used.

Equity securities are valued at the last sale price or, in the case of unlisted
or listed securities for which there were no sales during the day, at current
quoted bid prices.

Short-term obligations with a maturity of 60 days or less are valued at
amortized cost.

The value of all assets and liabilities quoted in foreign currencies are
translated into U.S. dollars at that day's exchange rate.

                                       22
<PAGE>
           NOTES TO FINANCIAL STATEMENTS/JUNE 30, 1997
- --------------------------------------------------------------------------------

Portfolio positions which cannot be valued as set forth above are valued at
fair value under procedures approved by the Trustees.

Security transactions are accounted for on the date the securities are
purchased, sold or mature.

Cost is determined and gains and losses are based upon the specific
identification method for both financial statement and federal income tax
purposes.

The Fund may trade securities on other than normal settlement terms.  This
may increase the risk if the other party to the transaction fails to deliver
and causes the Fund to subsequently invest at less advantageous prices.

DETERMINATION OF CLASS NET ASSET VALUES AND FINANCIAL HIGHLIGHTS:  All
income, expenses (other than the Class B and Class D distribution fee),
realized and unrealized gains (losses), are allocated to each class
proportionately on a daily basis for purposes of determining the net asset
value of each class.

Class B and Class D per share data and ratios are calculated by adjusting
the expense and net investment income per share data and ratios for the
Fund for the entire period by the distribution fee applicable to Class B and
Class D shares only.

FEDERAL INCOME TAXES:  Consistent with the Fund's policy to qualify
as a regulated investment company and to distribute all of its taxable
income, no federal income tax has been accrued.

INTEREST INCOME, DEBT DISCOUNT AND PREMIUM:  Interest income is
recorded on the accrual basis.  Original issue discount is accreted to
interest income over the life of a security with a corresponding increase in
the cost basis; premium and market discount are not amortized or accreted.

The value of additional securities received as an interest or dividend
payment is recorded as income and as the cost basis of such securities.

DISTRIBUTIONS TO SHAREHOLDERS:  The Fund declares and records
distributions daily and pays monthly.

The amount and character of income and gains to be distributed are
determined in accordance with income tax regulations which may differ
from generally accepted accounting principles.  Reclassifications are made
to the Fund's capital accounts to reflect income and gains available for
distribution (or available capital loss carryforwards) under income tax
regulations.

FOREIGN CURRENCY TRANSACTIONS:  Net realized and unrealized gains
(losses) on foreign currency transactions includes the fluctuation in exchange
rates on gains (losses) between trade and settlement dates on securities
transactions, gains (losses) arising from the disposition of foreign currency
and currency gains (losses) between the accrual and payment dates on

                                       23
<PAGE>
                   NOTES TO FINANCIAL STATEMENTS/JUNE 30, 1997
- --------------------------------------------------------------------------------
NOTE 2. ACCOUNTING POLICIES - CONT.
- --------------------------------------------------------------------------------
dividend and interest income and foreign withholding taxes.

The Fund does not distinguish that portion of gains (losses) on investments
which is due to changes in foreign exchange rates from that which is due to
changes in market prices of the investments.  Such fluctuations are
included with the net realized and unrealized gains (losses) from
investments.

OTHER:  Corporate actions are recorded on the ex-date (except for
certain foreign securities which are recorded as soon after ex-date as the
Fund becomes aware of such), net of nonrebatable tax withholdings.  Where
a high level of uncertainty as to collection exists, income on securities is
recorded net of all tax withholdings with any rebates recorded when
received.

The Fund's custodian takes possession through the federal book-entry
system of securities collateralizing repurchase agreements.  Collateral is
marked-to-market daily to ensure that the market value of the underlying
assets remains sufficient to protect the Fund.  The Fund may experience
costs and delays in liquidating the collateral if the issuer defaults or enters
bankruptcy.


NOTE 3.  FEES AND COMPENSATION PAID TO AFFILIATES
- --------------------------------------------------------------------------------
MANAGEMENT FEE:  Colonial Management Associates, Inc. (the
Adviser) is the investment Adviser of the Fund and furnishes accounting
and other services and office facilities for a monthly fee equal to 0.60%
annually of the Fund's average net assets.

BOOKKEEPING FEE:  The Adviser provides bookkeeping and pricing
services for $27,000 per year plus 0.035% of the Fund's average net assets
over $50 million.

TRANSFER AGENT FEE:  Colonial Investors Service Center, Inc., (the
Transfer Agent), an affiliate of the Adviser, provides shareholder services
for a monthly fee equal to 0.25% annually of the Fund's average net assets
and receives reimbursement for certain out of pocket expenses.

UNDERWRITING DISCOUNTS, SERVICE AND DISTRIBUTION FEES:  Colonial
Investment Services, Inc. (the Distributor), an affiliate of the Adviser, is
the Fund's principal underwriter.  During the six months ended June 30,
1997, the Fund has been advised that the Distributor retained net
underwriting discounts of $78,700 on sales of the Fund's Class A
shares and received contingent deferred sales charges (CDSC) of $538,683
and $5,091 on Class B and Class D share redemptions, respectively.

The Fund has adopted a 12b-1 plan which requires it to pay the Distributor
a service fee equal to 0.25% annually of the Fund's net assets as of the 20th
of each month. The plan also requires the payment of a distribution fee to

                                       24
<PAGE>
                   NOTES TO FINANCIAL STATEMENTS/JUNE 30, 1997
- --------------------------------------------------------------------------------

the Distributor equal to 0.75% of the average net assets attributable to
Class B shares.

The CDSC and the fees received from the 12b-1 plan are used principally as
repayment to the Distributor for amounts paid by the Distributor to
dealers who sold such shares.

OTHER:  The Fund pays no compensation to its officers, all of whom are
employees of the Adviser.

The Fund's Trustees may participate in a deferred compensation plan which
may be terminated at any time.  Obligations of the plan will be paid solely
out of the the Fund's assets.


NOTE 4.  PORTFOLIO INFORMATION
- --------------------------------------------------------------------------------
INVESTMENT ACTIVITY:  During the six months ended June 30, 1997,
purchases and sales of investments, other than short-term obligations were
$766,296,224 and $659,243,996, respectively, of which $178,269,638 and
$130,938,000, respectively, were U.S. government securities.

Unrealized appreciation (depreciation) at June 30, 1997, based on cost of
investments for federal income tax purposes was:

               Gross unrealized appreciation       $      38,182,731
               Gross unrealized depreciation              (5,807,537)
                                                      ---------------
                  Net unrealized appreciation      $      32,375,194
                                                      ===============

CAPITAL LOSS CARRYFORWARDS:  At December 31, 1996, capital loss
carryforwards available (to the extent provided in regulations) to offset
future realized gains were approximately as follows:

                  Year of                Capital loss
                expiration               carryforward
               --------------            -------------
                   1999                    $28,008,000
                   2000                      4,852,000
                   2002                      9,495,000
                   2003                     16,521,000
                                         --------------
                                           $58,876,000
                                         --------------

Expired capital loss carryforwards, if any, are recorded as a reduction of
capital paid in.

To the extent loss carryforwards are used to offset any future realized
gains, it is unlikely that such gains would be distributed since they may be
taxable to shareholders as ordinary income.

OTHER:  There are certain additional risks involved when investing in
foreign securities that are not inherent with investments in domestic
securities. These risks may involve foreign currency exchange rate
fluctuations, adverse political and economic developments and the possible
prevention of currency exchange or other foreign governmental laws or
restrictions.

                                       25
<PAGE>
                   NOTES TO FINANCIAL STATEMENTS/JUNE 30, 1997
- --------------------------------------------------------------------------------
NOTE 4.  PORTFOLIO INFORMATION - CONT.
- --------------------------------------------------------------------------------
The Fund may focus its investments in certain industries, subjecting it to
greater risk than a fund that is more diversified.

NOTE 5.  LINE OF CREDIT
- --------------------------------------------------------------------------------
The Fund may borrow up to 10% of its net assets under a line of credit for
temporary or emergency purposes.  Any borrowings bear interest at one of
the following options determined at the inception of the loan: (1) federal
funds rate plus 1/2 of 1%, (2) the lending bank's base rate or (3) IBOR
offshore loan rate plus 1/2 of 1%.  There were no borrowings under the line
of credit during the six months ended June 30, 1997.




                                       26
<PAGE>
<TABLE>
                              FINANCIAL HIGHLIGHTS

Selected data for a share of each class outstanding throughout each period
are as follows:

<CAPTION>
                                                         (Unaudited)
                                                         Six months
                                                          ended
                                                         June 30
                                       =================================================
                                                           1997
                                           Class A       Class B        Class D
                                          -----------   -----------   ------------
Net asset value -
<S>                                         <C>          <C>            <C>
   Beginning of period                      $ 6.920      $  6.920       $  6.920
                                          -----------   -----------   ------------
INCOME FROM
  INVESTMENT OPERATIONS:
Net investment income                         0.305         0.279          0.279
Net realized and
unrealized gain                               0.115         0.115          0.115
                                          -----------   -----------   ------------
   Total from Investment
      Operations                              0.420         0.394          0.394
                                          -----------   -----------   ------------
LESS DISTRIBUTIONS
  DECLARED TO SHAREHOLDERS:
From net investment income                   (0.300)       (0.274)        (0.274)
                                          -----------   -----------   ------------
Net asset value - End of period             $ 7.040      $  7.040       $  7.040
                                          ===========   ===========   ============
Total return (a)(b)                           6.21%         5.82%          5.82%
                                          ===========   ===========   ============

RATIOS TO AVERAGE NET ASSETS
Expenses (c)(d)                               1.21%         1.96%          1.96%
Net investment income (c)(d)                  8.70%         7.95%          7.95%
Portfolio turnover (b)                          58%           58%            58%
Net assets at end
of period (000)                           $ 562,357     $ 453,575     $   12,109
</TABLE>



(a) Total return at net asset value assuming all distributions reinvested and no
    initial sales charge or contingent deferred sales charge.
(b) Not annualized.
(c) The benefits derived from custody credits and directed brokerage
    arrangements had no impact.
(d) Annualized.




                                       27
<PAGE>
<TABLE>
                          FINANCIAL HIGHLIGHTS - CONT.

Selected data for a share of each class outstanding throughout each period
are as follows:


<CAPTION>
                                                          Year ended December 31
                                       ===================================================
                                                           1996
                                           Class A       Class B        Class D     (a)
                                          -----------   -----------   -------------
Net asset value -
<S>                                         <C>          <C>            <C>
   Beginning of period                      $  6.750     $  6.750       $    6.780
                                          -----------   -----------   -------------
INCOME FROM
  INVESTMENT OPERATIONS:
Net investment income                          0.625        0.574            0.554
Net realized and
unrealized gain (loss)                         0.160        0.160            0.130
                                          -----------   -----------   -------------
   Total from Investment
      Operations                               0.785        0.734            0.684
                                          -----------   -----------   -------------
LESS DISTRIBUTIONS
  DECLARED TO SHAREHOLDERS:
From net investment income                    (0.615)      (0.564)          (0.544)
In excess of net investment income              ---          ---              ---
                                          -----------   -----------   -------------
   Total Distributions
      Declared to Shareholders                (0.615)      (0.564)          (0.544)
                                          -----------   -----------   -------------
Net asset value - End of period             $  6.920     $  6.920     $      6.920
                                          ===========   ===========   =============
Total return (b)                              12.21%       11.38%           10.56% (c)
                                          ===========   ===========   =============

RATIOS TO AVERAGE NET ASSETS
Expenses                                       1.20% (d)    1.95% (d)        1.95% (d)(e)
Net investment income                          9.02% (d)    8.27% (d)        8.27% (d)(e)
Portfolio turnover                              145%         145%            145%
Net assets at end
of period (000)                         $   523,065      $411,124     $     6,054
</TABLE>


(a) Class D shares were initially offered on January 15, 1996. Per share amounts
    reflect activity from that date.
(b) Total return at net asset value assuming all distributions reinvested and no
    initial sales charge or contingent deferred sales charge.
(c) Not annualized.
(d) The benefits derived from custody credits and directed brokerage
    arrangements had no impact. Prior years' ratios are net of benefits
    received, if any.
(e) Annualized.




                                       28
<PAGE>
<TABLE>
                          FINANCIAL HIGHLIGHTS - CONT.


<CAPTION>
                      Year ended December 31
   =============================================================
               1995                             1994
     Class A         Class B         Class A          Class B
   ============    ============    =============================
<S> <C>             <C>             <C>              <C>
    $   6.300       $   6.300       $   6.950        $   6.950
   ------------    ------------    ------------     ------------


        0.615           0.566           0.599            0.549

        0.452           0.452          (0.622)          (0.622)
   ------------    ------------    ------------     ------------

        1.067           1.018          (0.023)          (0.073)
   ------------    ------------    ------------     ------------


       (0.603)         (0.555)         (0.627)          (0.577)
       (0.014)         (0.013)           --               --
   ------------    ------------    ------------     ------------

       (0.617)         (0.568)         (0.627)          (0.577)
   ------------    ------------    ------------     ------------
    $   6.750       $   6.750       $   6.300        $   6.300
   ============    ============    ============     ============
        17.65%          16.78%         (0.34)%          (1.09)%
   ============    ============    ============     ============


         1.21% (d)       1.96% (d)       1.23%            1.98%
         9.14% (d)       8.39% (d)       9.03%            8.28%
           95%             95%            123%             123%

    $  466,905      $  351,068      $  389,791       $  253,438
</TABLE>




                                     29
<PAGE>
<TABLE>
                          FINANCIAL HIGHLIGHTS - CONT.

Selected data for a share of each class outstanding throughout each period
are as follows:


<CAPTION>
                                                     Year ended December 31
                                      ======================================================
                                                1993                        1992
                                       Class A       Class B      Class A        Class B (a)
                                      ----------    ----------   -----------   -------------
Net asset value -
<S>                                    <C>           <C>          <C>           <C>
   Beginning of period                 $ 6.400       $ 6.400      $  5.860      $    6.360
                                      ----------    ----------   -----------   -------------
INCOME FROM
  INVESTMENT OPERATIONS:
Net investment income                    0.634         0.585         0.669           0.332
Net realized and
unrealized gain                          0.576         0.576         0.531           0.057
                                      ----------    ----------   -----------   -------------
   Total from Investment
      Operations                         1.210         1.161         1.200           0.389
                                      ----------    ----------   -----------   -------------
LESS DISTRIBUTIONS
  DECLARED TO SHAREHOLDERS:
From net investment income              (0.660)       (0.611)       (0.660)         (0.349)
                                      ----------    ----------   -----------   -------------
Net asset value - End of period        $ 6.950       $ 6.950      $  6.400      $    6.400
                                      ==========    ==========   ===========   =============
Total return (b)                         19.69%        18.83%        21.15%           5.53% (c)
                                      ==========    ==========   ===========   =============

RATIOS TO AVERAGE NET ASSETS
Expenses                                  1.23%         1.98%         1.26%           2.01% (d)
Net investment income                     9.55%         8.80%        10.64%           9.89% (d)
Portfolio turnover                         122%          122%           66%             66%
Net assets at end
of period (000)                       $440,942      $222,536     $ 346,225      $   94,653
</TABLE>


(a) Class B shares were initially offered on June 8, 1992. Per share amounts
    reflect activity from that date.
(b) Total return at net asset value assuming all distributions reinvested and no
    initial sales charge or contingent deferred sales charge.
(c) Not annualized.
(d) Annualized.




                                       30
<PAGE>
                     SHAREHOLDER SERVICES AND TRANSFER AGENT

The Transfer Agent for Colonial High Yield Securities Fund is:

Colonial Investors Service Center, Inc.
P.O. Box 1722
Boston, MA  02105-1722
1-800-345-6611


Colonial High Yield Securities Fund mails one shareholder report to each
shareholder address. If you would like more than one report, please call
Colonial at 1-800-426-3750 and additional reports will be sent to you.


This report has been prepared for shareholders of Colonial High Yield Securities
Fund. This report may also be used as sales literature when preceded or
accompanied by the current prospectus which provides details of sales charges,
investment objective and operating policies of the Fund.




                                       31
<PAGE>
[FLAG LOGO]    COLONIAL
               MUTUAL FUNDS

               Mutual Funds for
               Planned Portfolios

- --------------------------------------------------------------------------------
                                    TRUSTEES

ROBERT J. BIRNBAUM
Retired (formerly Special Counsel, Dechert, Price & Rhoads; President and Chief
Operating Officer, New York Stock Exchange, Inc.)

TOM BLEASDALE
Retired (formerly Chairman of the Board and Chief Executive Officer, Shore Bank
& Trust Company)

LORA S. COLLINS
Attorney (formerly Attorney, Kramer, Levin, Naftalis, Nessen, Kamin & Frankel)

JAMES E. GRINNELL
Private Investor (formerly Senior Vice President-Operations, The Rockport 
Company)

WILLIAM D. IRELAND, JR.
Retired (formerly Chairman of the Board, Bank of New England-Worcester)

RICHARD W. LOWRY
Private Investor (formerly Chairman and Chief Executive Officer, U.S. Plywood 
Corporation)

WILLIAM E. MAYER
Partner, Development Capital, L.L.C. (formerly Dean, College of Business and
Management, University of Maryland; Dean, Simon Graduate School of Business,
University of Rochester; Chairman and Chief Executive Officer, CS First Boston
Merchant Bank; and President and Chief Executive Officer, The First Bank
Corporation)

JAMES L. MOODY, JR.
Retired (formerly Chairman of the Board and Chief Executive Officer, Hannaford
Bros. Co.)

JOHN J. NEUHAUSER
Dean, Boston College School of Management

GEORGE L. SHINN
Financial Consultant (formerly Chairman, Chief Executive Officer and Consultant,
The First Boston Corporation)

ROBERT L. SULLIVAN
Retired Partner, Peat Marwick Main & Co. (formerly Management Consultant, 
Saatchi and Saatchi Consulting Ltd. and Principal and International Practice 
Director, Management Consulting, Peat Marwick Main & Co.)

SINCLAIR WEEKS, JR.
Chairman of the Board, Reed & Barton Corporation




            COLONIAL INVESTMENT SERVICES, INC., Distributor (C) 1997
                      A Liberty Financial Company (NYSE: L)
      One Financial Center, Boston, Massachusetts 02111-2621, 617-426-3750

                            HY-03/903D-0697 M (8/97)
- --------------------------------------------------------------------------------



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