USAA STATE TAX FREE TRUST
N-30D, 1998-11-23
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Table of Contents

      USAA Family of Funds                                              1
      Message from the President                                        2
      Investment Review:
         USAA Texas Tax-Free Income Fund                                4
         USAA Texas Tax-Free Money Market Fund                         10
      Financial Information:
         Portfolios of Investments:
            USAA Texas Tax-Free Income Fund                            15
            USAA Texas Tax-Free Money Market Fund                      18
         Notes to Portfolios of Investments                            20
         Statements of Assets and Liabilities                          21
         Statements of Operations                                      22
         Statements of Changes in Net Assets                           23
         Notes to Financial Statements                                 24



Important Information

Through  our  ongoing  efforts to reduce  expenses  and  respond to  shareholder
requests, your annual and semiannual report mailings are "streamlined." One copy
of each report is sent to each address,  rather than to every registered  owner.
For many  shareholders  and their families,  this eliminates  duplicate  copies,
saving paper and postage costs to the Fund.

If you are the  primary  shareholder  on at least  one  account,  prefer  not to
participate in streamlining, and would like to continue receiving one report per
registered account owner, you may request this in writing to:

            USAA Investment Management Company
            Attn: Report Mail
            9800 Fredericksburg Road
            San Antonio, TX 78284-8916

or phone a Mutual Fund Representative at 1-800-531-8448 during business hours.

This  report is for the  information  of the  shareholders  and  others who have
received a copy of the currently  effective  prospectus of the USAA Texas Funds,
managed by USAA Investment  Management  Company (IMCO).  It may be used as sales
literature only when preceded or accompanied by a current prospectus which gives
further details about the Fund.

USAA  with  the  eagle is  registered  in the U.S.  Patent &  Trademark  Office.
(Copyright)1998, USAA. All rights reserved.



USAA Family of Funds Summary

         Fund                                             Minimum
       Type/Name                     Volatility          Investment*
       ---------                     ----------          ----------

 CAPITAL APPRECIATION
===============================================================================
 Aggressive Growth                 Very high               $3,000
 Emerging Markets(1)               Very high               $3,000
 First Start Growth                Moderate to high        $3,000
 Gold(1)                           Very high               $3,000
 Growth                            Moderate to high        $3,000
 Growth & Income                   Moderate                $3,000
 International(1)                  Moderate to high        $3,000
 S&P 500 (Registered Trademark)
   Index(2)                        Moderate                $3,000
 Science & Technology(5)           Very high               $3,000
 World Growth(1)                   Moderate to high        $3,000
       
 ASSET ALLOCATION            
===============================================================================
 Balanced Strategy(1)              Moderate                $3,000
 Cornerstone Strategy(1)           Moderate                $3,000
 Growth and Tax
  Strategy(3)                      Moderate                $3,000
 Growth Strategy(1)                Moderate to high        $3,000
 Income Strategy                   Low to moderate         $3,000
          
 INCOME - TAXABLE         
===============================================================================
 GNMA                              Low to moderate         $3,000
 Income                            Moderate                $3,000
 Income Stock                      Moderate                $3,000
 Short-Term Bond                   Low                     $3,000
              
 INCOME - TAX EXEMPT        
===============================================================================
 Long-Term(3)                      Moderate                $3,000
 Intermediate-Term(3)              Low to moderate         $3,000
 Short-Term(3)                     Low                     $3,000
 State Bond Income(3)**            Moderate                $3,000
       
 MONEY MARKET        
===============================================================================
 Money Market(4)                   Very low                $3,000
 Tax Exempt
  Money Market(3),(4)              Very low                $3,000
 Treasury Money
  Market Trust(4)                  Very low                $3,000
 State Money Market(3),(4)**       Very low                $3,000

(1)  Foreign  investing is subject to additional  risks,  which are discussed in
     the funds' prospectuses.

(2)  S&P 500 (Registered Trademark) is a trademark of The McGraw-Hill Companies,
     Inc. and has been licensed for use. The Product is not  sponsored,  sold or
     promoted  by   Standard  &  Poor's,   and   Standard  &  Poor's   makes  no
     representation regarding the advisability of investing in the Product.

(3)  Some  income  may be  subject  to  state  or  local  taxes  or the  federal
     alternative minimum tax.

(4)  An investment in a money market fund is not  insured or   guaranteed by
     by the FDIC or any other government agency.  Although the fund seeks to 
     preserve the value of your investment at $1 per share, it is possible to 
     lose money by investing in the fund.

(5)  This Fund may be more  volatile  than a fund that  diversifies  across many
     industries.

 *   The  InveStart (Registered Trademark)  program is available  for  investors
     without the $3,000 initial investment  required to open an IMCO mutual fund
     account.  A mutual fund account can be opened with no initial investment if
     you elect to have monthly automatic investments of at least $50 from a bank
     account.  InveStart  is not  available on  tax-exempt  funds or the S&P 500
     Index Fund. The minimum initial investment for IRAs is $250, except for the
     $2,000 minimum  required for the S&P 500 Index Fund. IRAs are not available
     for tax-exempt  funds. The Growth and Tax Strategy Fund is not available as
     an  investment  for your IRA  because  the  majority  of its  income is tax
     exempt.

**   California,  Florida,  New York,  Texas,  and Virginia funds available to
     residents only.  

Non-deposit investment products are not insured by the FDIC, are not deposits or
other  obligations  of, or guaranteed  by, USAA Federal  Savings  Bank,  and are
subject to investment risks, and may lose value.

For more complete  information about the mutual funds managed and distributed by
USAA IMCO,  including  charges and expenses,  please call  1-800-531-8181  for a
prospectus. Read it carefully before you invest.




Message from the President

Over the past  couple of years when Ken  Willmann,  who heads up our  tax-exempt
bond area, has gone with us to speak to shareholders, he's said, "Bonds are like
Rodney Dangerfield. They get no respect." That was because the great performance
of  stocks  since  1995  made  any  bond  look  pale by  comparison.  But what a
difference a few months make!

After 1995, I told stock fund  shareholders,  "It was a great year, but it would
be a stretch to expect a repeat." After 1996, I said, "That's two great years in
a row.  Any more  would  be  unusual."  After  1997,  I said,  "You  should  not
extrapolate  30% a year  returns."  Finally,  by August of this year, my caution
proved correct. (The market is often reluctant to recognize genius.) Herein lies
the case for owning bonds.

[PHOTOGRAPH OF MICHAEL J. C. ROTH, CFA, PRESIDENT AND VICE CHAIRMAN OF THE BOARD
APPEARS HERE]

You have probably heard me say, that in my career I've known only two people who
could really stand a portfolio that is 100% stocks.  That is being proven again.
The actual fear that accompanies a severe market drop is something  difficult to
imagine. That fear is now impelling people toward fixed-income investments.  The
behavior of stocks and bonds this past summer reinforces such a move, because as
stocks went into turmoil,  a shift of money into bonds drove their prices up. If
you owned both in your  portfolio,  this  difference in  performance  of the two
classes  would have,  I believe,  left you much calmer than if you owned  stocks
alone.

The ability to keep emotion out of investing and to look instead for opportunity
is very  important.  To be able to do that in a time like August 1998,  for most
people,  requires a  portfolio  that is a mix of stocks  and  bonds.  And that's
because the markets will always surprise us.



Sincerely,


Michael J.C. Roth, CFA
President and
Vice Chairman of the Board


P.S. We have some news for those USAA funds that paid capital gain distributions
during 1998!  President Clinton signed the appropriations bill October 23, 1998,
that modifies the long-term  (12 months)  capital gains holding  period rules so
that essentially all registered  investment  company capital gain dividends paid
to shareholders during 1998 will be taxed at a maximum of 20%.



Past performance is no guarantee of future results.

For more  information  about mutual funds managed and  distributed by USAA IMCO,
including charges and expenses, please call for a prospectus.  Read it carefully
before  investing. 

Although none of the investment instruments mentioned are guaranteed or insured,
government bonds are backed by the full faith and credit of the U.S. Government.
Common stocks are considered to have the most risk,  followed by corporate bonds
and  government  bonds.  All of these  vehicles  are  subject to tax. If held to
maturity,  bonds offer a fixed rate of return and fixed principal value.  Return
and principal value of an investment in stocks will fluctuate.




Investment Review

USAA TEXAS TAX-FREE INCOME FUND

OBJECTIVE:  Provide Texas investors with a high level of current interest income
that is exempt from federal income taxes.

TYPES OF INVESTMENTS:  Invests  primarily in investment  grade Texas  tax-exempt
securities.



- --------------------------------------------------------------------------------
                                           3/31/98               9/30/98
- --------------------------------------------------------------------------------
  Net Assets                             $21.1 Million        $28.1 Million
  Net Asset Value Per Share                 $11.10               $11.32      
- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------
6-MONTH TOTAL RETURN AND 30-DAY SEC YIELD* AS OF 9/30/98                       
- --------------------------------------------------------------------------------
         3/31/98 to 9/30/98                         30-Day SEC Yield
               4.74%+                                     4.55%
- --------------------------------------------------------------------------------

* Calculated as prescribed by the  Securities and Exchange  Commission.
+ Total  returns  for  periods  of less than one year are not  annualized.  This
  six-month return is cumulative.



                    AVERAGE ANNUAL COMPOUNDED RETURNS WITH
          REINVESTMENT OF DIVIDENDS - PERIODS ENDING SEPTEMBER 30, 1998
- --------------------------------------------------------------------------------
                     TOTAL                      DIVIDEND               PRICE
                     RETURN       EQUALS         RETURN      PLUS      CHANGE
- --------------------------------------------------------------------------------
Since 8/1/94         9.79%          =             5.28%        +        4.51%
- --------------------------------------------------------------------------------
1 Year              10.39%          =             5.46%        +        4.93%
- --------------------------------------------------------------------------------




ANNUAL TOTAL  RETURNS AND  COMPOUNDED  DIVIDEND  RETURNS FOR THE 4-YEAR PERIOD
ENDED SEPTEMBER 30, 1998

A chart in the form of a bar graph  appears here,  illustrating the Annual Total
Returns and Compounded Dividend Returns of the USAA Texas Tax-Free Income Fund
for the 4-year period ended September 30, 1998.

Total Return for Years Ended:
- ----------------------------
9/30/94        -1.44%*
9/30/95        13.26%
9/30/96         8.56%
9/30/97        10.30%
9/30/98        10.39%

**Compounded Dividend Yield for Years Ended:
- -------------------------------------------
9/30/94         0.66%*
9/30/95         6.21%
9/30/96         5.88%
9/30/97         5.91%
9/30/98         5.46%

Change in Share Price:
- ---------------------
9/30/94        -2.10%*
9/30/95         7.05%
9/30/96         2.68%
9/30/97         4.39%
9/30/98         4.93%

 * This does not cover a 12 month period.
** Compounded Dividend yield calculation includes only income distributions.


Total  return   equals  income  return  plus  share  price  change  and  assumes
reinvestment of all dividends and capital gain distributions. Dividend return is
the income  dividends  received  over the period  assuming  reinvestment  of all
dividends.  Share price  change is the change in net asset value over the period
adjusted for capital gain  distributions.  No adjustment has been made for taxes
payable  by  shareholders  on  their  reinvested   dividends  and  capital  gain
distributions.  The performance  data quoted  represent past performance and are
not an indication of future results. Investment return and principal value of an
investment will fluctuate, and an investor's shares, when redeemed, may be worth
more or less than their original cost.






COMPARISON - 12 MONTH DIVIDEND YIELD

A chart in the form of a bar graph appears here  illustrating  the comparison of
the 12 Month  Dividend  Yield of the USAA Texas  Tax-Free  Income Fund to the 12
Month  Dividend  Yield of the Lipper  Texas  Municipal  Debt Funds  Average from
9/30/95 to 9/30/98.

            USAA Texas Tax-Free                      Lipper Texas Municipal
             Income Fund Yield                     Debt Funds Average Yield
            -------------------                    ------------------------
9/30/95            5.42%                                     5.18%
9/30/96            5.48%                                     4.94%
9/30/97            5.38%                                     4.80%
9/30/98            4.97%                                     4.49%

12-month dividend yield is computed by dividing income dividends paid during the
previous 12 months by the latest  month-end net asset value adjusted for capital
gain  distributions.  The graph  represents  data for periods  ending 9/30/95 to
9/30/98.




CUMULATIVE PERFORMANCE COMPARISON

A chart in the form of a line  graph  appears  here,  comparing  the  cumulative
performance of a $10,000  Investment  for the USAA Texas  Tax-Free  Income Fund,
Lehman Brothers Municipal Bond Index and the Lipper Texas Municipal  Debt  Funds
Average. The data is from 8/1/94 through 9/30/98. The data points from the graph
are as follows:

USAA  Texas Tax-Free Income Fund
Year                  Amount
- ----                  ------
08/01/94              $10,000
09/30/94              $ 9,856
03/31/95              $10,575
09/30/95              $11,163
03/31/96              $11,571
09/30/96              $12,118
03/31/97              $12,389
09/30/97              $13,366
03/31/98              $14,087
09/30/98              $14,755


Lehman Brothers Municipal Bond Index
Year                  Amount
- ----                  ------
08/01/94              $10,000
09/30/94              $ 9,887
03/31/95              $10,435
09/30/95              $10,993
03/31/96              $11,309
09/30/96              $11,657
03/31/97              $11,925
09/30/97              $12,708
03/31/98              $13,203
09/30/98              $13,816


Lipper Texas Municipal Debt Funds Average
Year                  Amount
- ----                  ------
08/01/94              $10,000
09/30/94              $ 9,834
03/31/95              $10,410
09/30/95              $10,867
03/31/96              $11,205
09/30/96              $11,547
03/31/97              $11,786
09/30/97              $12,530
03/31/98              $13,005
09/30/98              $13,561

Data since inception on 8/1/94 through 9/30/98

The broad-based  Lehman Brothers Municipal Bond Index is an unmanaged index that
tracks total return  performance for the long-term  investment  grade tax-exempt
bond  market.  The Lipper  Texas  Municipal  Debt Funds  Average is the  average
performance  level of all Texas  Municipal  Debt  Funds,  as  computed by Lipper
Analytical  Services,  Inc.,  an  independent  organization  that  monitors  the
performance of mutual funds. All tax-exempt bond funds will find it difficult to
outperform the Lehman Index, since funds have expenses.




Message from the Manager


MUNICIPALS ON SALE?
The yield on the 30-year  U.S.  Treasury  bond(1) (the Long Bond) fell almost a
full 1%, closing at 4.98%,  during the six-month  period ending on September 30,
1998. The yield on the Bond Buyer 40-Bond Index(2) (BBI40) fell less. It began
the period at 5.27%  and  ended at 5.04%.  The  current  relationship  between 
U.S. Treasury and municipal  bonds implies that an investor can buy a municipal
long bond at nearly the same yield as the U.S. Treasury long bond and receive 
the tax exemption feature to boot.


[PHOTOGRAPH OF PORTFOLIO MANAGER: ROBERT R. PARISEAU, CFA, APPEARS HERE]

 

ROUND UP THE USUAL SUSPECTS -
SUPPLY & DEMAND
Why have the  municipal  and U.S.  Treasury  markets  reacted the way they have?
Although the different  fixed income  market  sectors tend to move together over
time, relative performance often varies during shorter periods.  Typically,  the
greatest influence on market prices is supply and demand.

Supply of U.S.  Treasury  bonds has been  stable  thanks to the budget  surplus,
while demand has been very strong - especially  from skittish  foreign and stock
market investors.  Foreign investors,  who cannot benefit from a U.S. tax-exempt
security, prefer the widely quoted and more liquid U.S. Treasury bonds.

Municipal  bonds  are  in  ample  supply,  thanks  to a  near  record  level  of
refinancing.  Demand has been  positive but  restrained.  Municipal  prices have
moved  generally  with the market,  but not as much as the U.S.  Treasury  bonds
which are more "in demand." Why should  investors  consider the municipal market
today? For the same reasons as before.  When compared to taxable bonds for those
investors  in the 28% federal  income tax bracket  and higher,  municipal  bonds
typically generate the highest tax-equivalent yields for a very reasonable level
of risk.

MARKET  OUTLOOK
In late September,  the Federal Reserve Board reduced the interbank lending (Fed
Funds) rate by .25% to 5.25%,  the first reduction since January 1996.  Chairman
Greenspan is concerned that the financial crisis in emerging foreign markets may
infect the more developed  nations including the United States. A growing number
of  economists  believe  that  recessions  could  envelop a number of  important
U.S.trading partners. Mr. Greenspan appears less concerned about the outlook for
the  American  economy.  Our  economy is  beginning  to show the first  signs of
cooling-off  after years of brisk economic  expansion.  In this current economic
environment,  inflationary  expectations  are very low which should be favorable
for the bond markets.


(1) The 30-year U.S. Treasury Bond is generally considered the benchmark for U.S
    long-term interest rates.
(2) The Bond Buyer 40-Bond Index is the industry standard for the yield of long-
    term, investment-grade municipal bonds.


STRATEGY
I focus  primarily  on  generating  maximum  tax-exempt  income with the goal of
producing the best after-tax total return over a 3 to 5 year investment horizon.
I remain fully invested in long-term,  investment-grade  municipal bonds.  There
are no  exotic  derivatives  or  futures  contracts  to  leverage  or hedge  the
portfolio. I have no intention of purchasing municipal bonds that are subject to
the federal  alternative  minimum tax (AMT) for individuals.  Of course, I would
certainly  advise our  shareholders if there is a change in the Federal Tax Code
that compels me to reconsider my position on the AMT.

THE PORTFOLIO IS A SUM OF ITS PARTS - DISCOUNT & PREMIUM BONDS
I consider how each bond will fit and interact  with the rest of the  portfolio.
In a sense,  different  types of bonds  play  different  roles,  in  particular,
discount and premium bonds.  While a relatively  small percentage of the Fund is
invested  in zero coupon  bonds (zero  coupons),  a much  larger  percentage  is
invested in bonds originally purchased at their stated face value, or "par," but
when interest  rates were higher.  Some of these bonds are priced at significant
premiums  above par.  While these premium bonds  contribute  very nicely to your
monthly  dividend,  over time they expose the  portfolio to  significant  coupon
reinvestment and call risk (early redemption  risk). In addition,  premium bonds
are less sensitive to the changes in interest rates.

WHAT IS A ZERO COUPON BOND?
A zero coupon bond is a security that makes no periodic coupon(3) payments,  but
instead is sold at a deep  discount  from its face  value.  A zero  coupon  bond
gradually  appreciates in value at the market rate of interest until the bond is
worth the stated face value in maturity.  The current  Federal Tax Code requires
that we account for this  gradual  increase  by  distributing  it as  tax-exempt
interest.  As interest  accrues on all of the bonds in the portfolio,  including
the zero coupons, shareholders are paid monthly dividends.

Since  the  compounding  interest  rate  never  changes,  zero  coupons  have no
reinvestment risk, unlike coupon bonds. In addition,  because of the single lump
sum  payment  at  maturity,  the  market  value  of a zero  coupon  bond is very
sensitive to changes in interest rates.


(3) A bond's coupon is the fixed amount of interest  that is paid annually  
stated as a percentage of face value, normally $1000. For example, a 6.5% coupon
pays $65 (6.5% times $1000 = $65) normally in two semiannual payments of $32.50
for the life of the bond.


HOW DO ZERO COUPON BONDS ADD UP?
In summary,  zero coupon bonds are an excellent  complement to my yield strategy
for two reasons:

    - Zero coupons  accrue and  distribute  interest  typically at yields higher
      than coupon bonds of equal maturity priced near par.

    - Zero coupons offset the Fund's less interest-rate sensitive, premium bonds
      by  significantly  contributing  to total  return  performance  in  strong
      markets.

YOUR FUND'S PERFORMANCE - MORNINGSTAR 5-STAR FUND
I'm very pleased to say that your Fund's  performance earned 5-star ratings from
Morningstar for the overall and 3-year periods ended September 30, 1998, overall
and  among  1,581  funds  in the  municipal  bond  fund  category.(4) The Fund's
performance  compared  very  favorably to its peer group.  Your Fund's net asset
value  (NAV)  per share  increased  by $.22,  or 2.0%,  since  March  31,  1998,
adjusting for the $.0182 capital gain distributed on May 8, 1998.

While past performance is no guarantee of future results,  the Fund ranked #1 by
Lipper  Analytical  Services,  Inc.(5) among Texas  Municipal Debt Funds for the
past 12 months,  ending  September 30, 1998, with a total return(6) of 10.39% as
compared  to the average of 8.16% for the 20 funds in the  category.(7)  For the
same category, the Fund's annualized dividend distribution yield(8) for the past
6 months was 4.91%, as compared to the Lipper Average of 4.41%.

THE STATE OF TEXAS
The  Texas  economy  remains  one of the  strongest  in  America,  significantly
outperforming the nation over the last five years. This growth trend is expected
to continue at a more moderate  pace.  Driven by solid  performance in sales tax
collections,  representing  55.3% of the state  revenues,  Texas finished fiscal
year 1997 with a $2.7 billion  general  fund  balance.  Texas may receive  $14.5
billion,  distributed  over  the  next  25  years,  from  the  tobacco  industry
settlement.    

Past  performance is no guarantee of future  results.
(4) Morningstar proprietary ratings reflect historical risk-adjusted performance
through  September  30,  1998.  The ratings are subject to change  monthly.  The
ratings are calculated  from the Funds 3-, 5-, and 10-year  average annual total
returns,  as  applicable,  in  excess  of  90-day  Treasury  bill  returns  with
appropriate fee  adjustments,  and a risk factor that reflects fund  performance
below  90-day  Treasury  bill  returns.  There is a 3-year  minimum  performance
requirement  before a fund is rated.  Overall rating is a weighted  average of a
funds 3-, 5-, and 10-year  ratings,  as  applicable.  The top ten percent of the
funds in a rating  category  receive five stars and the next 22.5%  receive four
stars.
(5) Lipper Analytical Services is an independent  organization that monitors the
performance of mutual funds.  Fund rankings awarded by Lipper are based on total
return.
(6) Total  return  equals  income  return  plus share  price  change and assumes
reinvestment of all dividends and capital gain distributions.
(7) Refer to page 5 for the Lipper Average definition.
(8) Dividend  yield is computed by dividing  income  dividends  paid during the
previous 6 months by the latest  month-end net asset value  adjusted for capital
gain distributions and annualizing the result.


During the past five years Texas has added 1.4 million new jobs,  second only to
California.  The state's  unemployment  rate fell to 5% last August,  a .4% drop
from last year, but still above the national rate of 4.5%.  Per capita  personal
income of $24,058 in 1997 was 92% of the national figure, ranking 34th among all
states. Per capita income continues to improve,  but its growth is restrained by
the  substitution  of high wage jobs in the aerospace  and petroleum  industries
with lower  salary jobs in the  service  sector and  counties  along the Mexican
border.

Residential and commercial  construction  remains the driving force of the Texas
economy.  Texas  single-family  housing permits have reached their highest level
since the mid-1980s - up 33.5% from last year! The improving Mexican economy has
helped the Texas  border  economy by  increasing  the trade  demand for U.S. and
Texas goods.  Recent  flooding along the Rio Grande caused locally heavy damage,
but none of your Fund's holdings were affected.

Reflecting strong credit fundamentals,  Texas maintains high bond ratings of Aa2
from  Moody's  Investors  Service,  AA by Standard & Poor's,  and AA+ from Fitch
IBCA.

             To match the USAA Texas Tax-Free Income Fund's closing
                        30-Day SEC yield of 4.55% and:
- -------------------------------------------------------------------------------
Assuming a Marginal Federal Tax Rate of:       15%   28%   31%   36% 39.6%
- -------------------------------------------------------------------------------
A fully Taxable Investment must pay:         5.35% 6.32% 6.59% 7.11% 7.53%    
- -------------------------------------------------------------------------------

This table is based on a hypothetical investment calculated for illustrative
purposes only.  It is not an indication of performance for any of the USAA
Family of Funds.



PORTFOLIO RATINGS/MIX

A pie chart is shown here  depicting  the Portfolio Mix as of September 30, 1998
of the USAA Texas Tax-Free Income Fund to be:

BBB - 43%; AAA - 30%; AA - 14%; A - 12%; Cash Equivalent - 1%.

This chart  reflects the highest  rating of either  Moody's  Investors  Service,
Standard & Poor's Rating Group, or Fitch Investors  Service.  Unrated securities
that have been determined by USAA IMCO to be of equivalent investment quality to
category AAA account for .6% of the Fund's investments.


Note: Income may be subject to the federal alternative minimum tax.

See page 15 for a complete listing of the Portfolio of Investments.




Investment Review

USAA TEXAS TAX-FREE MONEY MARKET FUND

OBJECTIVE:  Provide Texas investors with a high level of current interest income
that  is  exempt  from  federal  income  taxes,  while  preserving  capital  and
maintaining  liquidity.  

TYPES OF INVESTMENTS:  High quality Texas tax-exempt  securities with maturities
of 397 days or less. The Fund will maintain a dollar-weighted  average portfolio
maturity of 90 days or less and will  endeavor to maintain a constant  net asset
value per share of $1.00.*

* An investment in a money  market fund is not insured or  guaranteed  by the 
FDIC or any  government agency.  Although  the Fund seeks to preserve  the value
of your  investment  at $1.00 per share, it is possible to lose money by 
investing in the Fund.
    
- --------------------------------------------------------------------------------
                                            3/31/98             9/30/98
- --------------------------------------------------------------------------------
  Net Assets                             $5.9 Million         $6.4 Million
  Net Asset Value Per Share                  $1.00                $1.00
- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------
AVERAGE ANNUAL TOTAL RETURNS AND 7-DAY YIELD AS OF 9/30/98
- --------------------------------------------------------------------------------
         3/31/98                          Since Inception          7-Day
       to 9/30/98          1 Year            on 8/1/94             Yield
         1.66%+             3.35%              3.34%               3.58%
- --------------------------------------------------------------------------------
+ Total  returns  for  periods  of less than one year are not  annualized.  This
  six-month return is cumulative.

Total return equals income return and assumes  reinvestment of all dividends and
any capital gain distributions. No adjustment has been made for taxes payable by
shareholders on their reinvested dividends and capital gain distributions.  Past
performance is no guarantee of future results. Yields and returns fluctuate. The
7-day yield quotation more closely  reflects  current  earnings of the Fund than
the total return quotation.




7-DAY YIELD COMPARISON

A chart in the form of a line graph appears here  illustrating the comparison of
the  7-day  Yield of the  USAA  Texas  Tax-Free  Money  Market  Fund and the IBC
Financial Data,  Inc. State Specific SB (Stock Broker) and GP (General  Purpose)
(Tax-Free) Money Funds.

                      USAA Texas Tax-Free
                      Money Market Fund                IBC Financial Data, Inc.
                      -------------------              ------------------------
09/30/97                     3.70%                              3.25%
10/28/97                     3.37%                              3.03%
11/25/97                     3.79%                              3.20%
12/30/97                     3.67%                              3.27%
01/27/98                     3.16%                              2.82%
02/24/98                     2.99%                              2.66%
03/31/98                     3.34%                              2.93%
04/28/98                     3.95%                              3.37%
05/26/98                     3.50%                              3.10%
06/30/98                     3.28%                              2.93%
07/28/98                     3.31%                              2.88%
08/25/98                     3.04%                              2.60%
09/29/98                     3.58%*                             3.10%*

Data represent the last Monday of each month.
*Ending date 9/28/98
     

The graph tracks the Fund's 7-day yield against IBC Financial Data, Inc. State
Specific SB (Stock Broker) & GP (General Purpose) (Tax-Free) Money Funds, an
average of money market fund yields.



Message from the Manager


[PHOTOGRAPH OF PORTFOLIO MANAGER: JOHN C. BONNELL, CFA APPEARS HERE]

THE MARKET
The six-month  period ending  September 30, 1998,  was certainly  eventful.  The
focus at the  beginning of the period was on the ideal  economic  environment  -
strong growth with low inflation.  Focus quickly shifted course to concerns over
negative  economic  events  unfolding  globally and the potential  impact on the
domestic economy. These concerns induced a massive "flight to quality" into U.S.
Treasury securities,  seen as a safe haven from market uncertainty. In response,
the Federal  Reserve (Fed) lowered the federal funds rate (the rate banks charge
one another  for  overnight  loans) .25% to 5.25% on  September  29,  1998.  The
perception in the market is for further decreases before year end.

This action  reversed the Fed's prior stance from a bias toward raising rates to
a more  accommodative  easing mode.  One-year Treasury bills that stood at 5.39%
March 31, 1998, ended September 30, 1998, at 4.40%.

This year's  municipal "note  season"(1) was anything but typical.  For one, the
new supply of notes was substantially reduced since most issuers' cash positions
improved last year. In addition, some underwriters purchased large quantities of
notes  at  inflated  prices  only  to  convert  the  notes  into  variable  rate
securities(2)  with even shorter  effective  maturities.  This caused  prices on
fixed-rate notes to soar (yields fall) and prices on variable rate securities to
be relatively  attractive  (higher yields).  One-year  municipal note yields, as
measured by the Bond Buyer One-Year Note  Index,(3)  dropped from 3.64% to 3.24%
over  the six  months  ending  September  30,  1998.  Yields  on  variable  rate
securities,  as measured by the BMA Swap Index (a weekly high-grade market index
composed of 7-day tax-exempt demand notes),  fluctuated from 2.79% to 4.37% over
the same period but averaged 3.58%.


(1) Note season is typically June through August when many issuers sell one-year
    notes in order to smooth the uneven timing of taxes and other revenues.
(2) Variable rate demand notes represent borrowings that are payable on demand
    and that bear interest reflective of a money market rate.
(3) The Bond Buyer One-Year Note Index is representative of yields on 10 large 
    one-year tax-exempt notes.


STRATEGY
As always, we focus on buying the best relative value in the market at any time.
Given the relative  abundance  of variable  rate  securities  compared to longer
maturity  fixed-rate  securities,  variable rate  securities  currently  offer a
better  risk/reward value. For this reason, the average maturity of the Fund may
drift lower in the near term. In addition,  the variable rate securities provide
the liquidity  necessary to extend the Fund's average  maturity as opportunities
arise.  The  fixed-rate  securities  already in the Fund will help stabilize the
seasonally  fluctuating  yields on  variable  rate  securities.  We  continue to
utilize  our  internal  credit  research  staff to analyze  each  security  on a
case-by-case basis and remain very selective when investing fund assets.

PERFORMANCE
While past  performance  is no  guarantee of future  results,  for the 12 months
ending  September  30,  1998,  your  Fund  ranked  5 out of 161  State  Specific
Tax-Exempt  Money Market Funds according to IBC Financial  Data, Inc.(4) with a
compounded  dividend yield of 3.35%.  The average for the category over the same
period was 2.94%.

TEXAS
The Texas  economy is one of the most solid in the nation and continues to grow.
Reflecting   strong  economic   underpinnings,   the  state   unemployment  rate
(seasonally  adjusted)  dropped to 5.0% in August 1998 from 5.4% in August 1997.
Driven by solid performance in sales tax collections, that comprise 55.3% of the
state's  revenues,  Texas finished fiscal year 1997 with a $2.7 billion positive
cash balance in the General Revenue Fund (the state's main operating fund). This
represents the tenth consecutive year the state ended with a positive balance in
the General Revenue Fund. The consistent  financial  results are also indicative
of the state's long-term trend of diversification  away from reliance on the oil
and gas industry,  into the services,  manufacturing,  and  computer/electronics
industries.  Positive financial results are expected to continue even though the
state will face  increased  spending  for  education,  projected  at 9.5% in the
1998-99  two-year  budget.  Of note is the settlement of a state lawsuit against
the tobacco companies, which is expected to bring in $14.5 billion of revenue to
the state over the next 25 years.

Reflecting strong credit fundamentals, Texas maintains high bond ratings of Aa2,
AA, and AA+ from Moody's Investors  Service,  Standard & Poor's, and Fitch IBCA,
respectively.


(4) IBC Financial  Data,  Inc.  provides  independent  analysis of trends in the
financial services and investing  industries,  with particular  concentration on
money market funds.

  
CUMULATIVE PERFORMANCE COMPARISON

A chart in the form of a line graph  appears here  illustrating  the  cumulative
performance  of a $10,000  investment  of the USAA Texas  Tax-Free  Money Market
Fund.  The data is from 8/1/94 through  9/30/98.  The data points from the graph
are as follows:

USAA  Texas Tax-Free Money Market Fund
Year                  Amount
- ----                  ------
08/01/94              $10,000
09/30/94              $10,044
03/31/95              $10,209
09/30/95              $10,392
03/31/96              $10,566
09/30/96              $10,736
03/31/97              $10,906
09/30/97              $11,096
03/31/98              $11,280
09/30/98              $11,468

Data since inception on 8/1/94 through 9/30/98

Past  performance  is no  guarantee  of  future  results  and the  value of your
investment will vary according to the Fund's performance.  Income may be subject
to federal,  state or local taxes, or to the alternative  minimum tax. For 7-day
yield information, please refer to the Fund's Investment Review page.



An investment in a money market fund is not insured or guaranteed by the FDIC or
any  government  agency.  Although  the Fund seeks to preserve the value of your
investment at $1.00 per share,  it is possible to lose money by investing in the
Fund.


See page 18 for a complete listing of the Portfolio of Investments.




CATEGORIES & DEFINITIONS
PORTFOLIOS OF INVESTMENTS

September 30, 1998
(unaudited)


Fixed-Rate  Instruments - consist of municipal  bonds,  notes,  and  commercial
paper. The interest rate is constant to maturity.  Prior to maturity,  the price
of a  fixed-rate  instrument  generally  varies  inversely  to the  movement  of
interest rates.

Put Bonds - provide the right to sell the bond at face value at specific  tender
dates prior to final maturity.  The put feature shortens the effective  maturity
to the next tender date.

Variable  Rate Demand Notes (VRDN) - provide the right,  on any business day, to
sell the  security  at face  value on  either  that  day or in seven  days.  The
interest rate is adjusted at a stipulated daily,  weekly, or monthly interval to
a rate that reflects  current  market  conditions.  In money market  funds,  the
effective  maturity is the date on which the underlying  principal amount may be
recovered  or  the  next  rate   adjustment   date  consistent  with  regulatory
requirements.  In bond funds, the effective  maturity is the next put date. Most
VRDNs possess a credit enhancement.

Credit  Enhancement  (CRE) - adds the financial  strength of the provider of the
enhancement to support the issuer's ability to repay the principal when due. The
enhancement may be provided by either a high quality bank, insurance company, or
other  corporation,  or a  collateral  trust.  Typically,  the  rating  agencies
evaluate  the  security  based upon the credit  standing of the  provider of the
credit  enhancement,  rather  than the credit  standing  of the  issuer.  If the
securities  are enhanced by a bond  insurer,  scheduled  principal  and interest
payments are insured by:

          (1)  Municipal Bond Insurance Association.
          (2)  AMBAC Indemnity Corp.
          (3)  Financial Guaranty Insurance Co.
          (4)  Financial Security Assurance, Inc.
          (5)  American Capital Access.
          (6)  Texas Permanent School Fund.

The insurance does not guarantee the market value of the municipal bonds.


PORTFOLIO DESCRIPTION ABBREVIATIONS
          CP  Commercial Paper           IDC  Industrial Development Corporation
          CRE Credit Enhanced            IDRB Industrial Development Revenue
          GO  General Obligation                 Bond     
          IDA Industrial Development     ISD  Independent School District
                Authority/Agency         MFH  Multi-Family Housing    
                                         PCRB Pollution Control Revenue Bond
                                         RB   Revenue Bond




<TABLE>


USAA TEXAS TAX-FREE INCOME FUND
PORTFOLIO OF INVESTMENTS
(IN THOUSANDS)

September 30, 1998
(Unaudited)

<CAPTION>

     Principal                                     Coupon       Final        Market
      Amount                Security                Rate       Maturity      Value
- -------------------------------------------------------------------------------------
                           FIXED RATE INSTRUMENTS (97.9%)
<C>      <S>                                         <C>        <C>           <C>
         Texas (94.0%)
$  200   Austin Community College District RB,
          Series 1995 (CRE) (1), (a)                 6.10%      2/01/15       $  225
 1,300   Austin Higher Education Auth. RB,
          Series 1998                                5.25       8/01/23        1,299
   250   Bexar Metropolitan Water District RB,
          Series 1995 (CRE) (1)                      5.88       5/01/22          271
   500   Brazos County Health Facilities RB,
          Series 1993B                               6.00       1/01/19          530
 1,000   Cedar Hill ISD GO, Series 1996 (CRE)(6),(b) 6.30       8/15/15          411
         Cleburne Tax, Waterworks,
         and Sewer System GO,     
 1,595    Series 1998 (CRE) (4), (b)                 5.67       2/15/17          601 
 1,330    Series 1998 (CRE) (4), (b)                 5.67       2/15/18          474
   150   Coastal Water Auth. Contract RB,
          Series 1995 (CRE) (4)                      5.95      12/15/25          165
         Columbus Community IDC Sales Tax RB,   
   400    Series 1998                                5.40      11/01/13          407
   750    Series 1998                                5.75      11/01/23          766
   500   Denison Hospital Auth. RB, Series 1997      6.13       8/15/27          535
   190   Department of Housing and Community
          Affairs RB, Series 1991A                   6.95       7/01/23          205
   300   Guadalupe-Blanco River Auth. IDC RB,
          Series 1982A                               6.35       7/01/22          327
 1,270   Gulf Coast Water Auth. Water System
          Contract RB, Series 1998C (CRE) (3)        5.00       8/15/22        1,272
   300   Harlingen Higher Education Facilities
          Corp. RB, Series 1995                      6.38       8/15/15          323
         Harris County Health Facilities RB,  
   200    Series 1991A                               6.75       2/15/21          218
   150    Series 1992 (a)                            7.13       6/01/15          169
   400   Harris County IDC RB, Series 1992           6.95       2/01/22          434
   600   Harrison County Health Facilities
          Development Corp. RB, Series 1998 (CRE)(5) 5.50       1/01/18          615
   100   Health Facilities Development Corp. RB,
          Series 1993B (CRE) (1)                     6.38       8/15/23          111
    70   Housing Agency Single-Family Mortgage RB,
          Series 1991A                               7.15       9/01/12           75
         Houston Water and Sewer System RB,  
   150    Series 1992B                               6.38      12/01/14          165
   350    Series 1997C (CRE) (3)                     5.25      12/01/22          362
 1,000   Lewisville RB, Series 1998 (CRE) (5)        5.80       9/01/25        1,087
   500   Lower Neches Valley Auth. IDC RB,
          Series 1997                                5.80       5/01/22          544
   400   Matagorda County Navigation District PCRB,
          Series 1993                                6.00       7/01/28          422
 1,500   Mesquite Health Facilities Development
          Corp. RB, Series 1996A                     6.40       2/15/20        1,625
   500   Midland County Hospital District RB,
          Series 1997 (CRE)(2)                       5.38       6/01/16          522
         North Central Health Facilities 
          Development Corp. RB,
   300    Series 1993 (a)                            5.90       6/01/21          334
   400    Series 1996                                6.30       2/15/15          434
   500    Series 1998                                5.38       2/15/25          503
         Northeast Hospital Auth. RB, 
   400    Series 1993B (a)                           7.25       7/01/22          460
   700    Series 1997 (CRE) (4)                      5.63       5/15/22          749
 1,200   Nueces River Auth. RB, Series 1998          5.60       1/01/27        1,238
   800   Orange County Navigation and Port
          District IDC RB, Series 1996               6.38       2/01/17          892
         Pantego GO,
    60    Series 1994                                7.75       2/15/14           69
    65    Series 1994                                7.75       2/15/15           74
         Port of Corpus Christi IDC PCRB, 
 1,400    Series 1997A                               5.45       4/01/27        1,418
 1,000    Series 1997B                               5.40       4/01/18        1,013
   150   Sabine River Auth. PCRB, Series 1992 
          (CRE) (3)                                  6.55      10/01/22          166
         San Antonio Electric and Gas RB,
    80    Series 1989 (a)                            6.50       2/01/12           82
   120    Series 1989                                6.50       2/01/12          123
   300    Series 1992                                5.00       2/01/17          301
   150   Tarrant County Health Facilities
          Development Corp. RB, Series 1994          6.00       9/01/24          164
 1,000   Travis County Health Facilities Development
          Corp. RB, Series 1998A                     5.13      11/01/24        1,005
         Turnpike Auth. Dallas North Tollway RB,   
   150    Series 1994 (CRE) (3), (a)                 6.75       1/01/15          176
   350    Series 1995 (CRE) (3)                      5.25       1/01/23          360
         Tyler Health Facilities Development
          Corp. Hospital RB,
   270    Series 1993B (East Texas Medical Center)   6.63      11/01/11          291
   135    Series 1993B (East Texas Medical Center)   6.75      11/01/25          146
   680    Series 1997A (Mother Frances Hospital)     5.63       7/01/13          688
 1,800   United ISD Unlimited Tax School Building
          & Refunding Bonds, Series 1998 (CRE)(6),(b)5.30       8/15/22          563
   200   Water Development Board GO, Series 1994     7.00       8/01/20          230
 1,410   Waxahachie ISD GO, Series 1997 (CRE) (6),(b)5.50       8/15/15          635
   265   Weimar ISD GO, Series 1997 (CRE) (6), (b)   5.60       8/15/16          113

          Puerto Rico (3.9%)
   600   Electric Power Auth. RB, Series 1995Z       5.25       7/01/21          611
   475   Highway Auth. RB, Series Q(a)               6.00       7/01/20          494
- ------------------------------------------------------------------------------------
         Total fixed rate instruments (cost: $25,688)                         27,492
- ------------------------------------------------------------------------------------


                        VARIABLE RATE DEMAND NOTE (0.9%)
            Texas
   265   Nueces River Auth. PCRB,
          Series 1985 (CRE) (cost: $265)             4.20      12/01/99          265
- ------------------------------------------------------------------------------------
         Total investments (cost: $25,953)                                  $ 27,757
====================================================================================

</TABLE>



                          PORTFOLIO SUMMARY BY INDUSTRY
                          -----------------------------

            Hospitals                                           18.5%
            General Obligations                                 11.3 
            Nursing/Continuing Care Centers                      9.1
            Oil & Gas - Refining/Manufacturing                   8.6  
            Escrowed Bonds                                       8.3
            Water/Sewer Utilities - Municipal                    7.9
            Education                                            5.8
            Metals/Mining                                        4.4
            Sales Tax                                            4.2
            Real Estate Tax/Free                                 3.9
            Electric/Gas Utilities - Municipal                   3.7
            Agricultural Products                                3.2
            Electric Utilities                                   2.1
            Oil - International Integrated                       1.9
            Leasing                                              1.5  
            Toll Roads                                           1.3 
            Chemicals                                            1.2
            Single-Family Housing                                1.0
            Aluminum                                              .9 
                                                                ----
            Total                                               98.8%
                                                                ====



<TABLE>

USAA TEXAS TAX-FREE  MONEY MARKET FUND 
PORTFOLIO OF INVESTMENTS 
(IN THOUSANDS)
September 30, 1998 
(Unaudited)

<CAPTION>

 Principal                                            Coupon         Final
  Amount                Security                       Rate         Maturity         Value
- ---------------------------------------------------------------------------------------------


<C>      <S>                                           <C>          <C>             <C>
                  VARIABLE RATE DEMAND NOTES (81.9%)

         Texas
$ 280    Amarillo Health Facilities Corp. RB,
          Series 1985 (CRE)                            3.70%         5/31/25        $  280
  485    Arlington IDC RB, Series 1985 (CRE)           4.40         10/01/20           485 
  200    Austin Higher Education Auth. RB,
          Series 1995 (CRE)                            4.05          8/01/19           200
  270    Bell County Health Facilities Development
          Corp. RB, Series 1998 (CRE)                  4.05          5/01/23           270
  115    Bexar County Housing Finance Corp. MFH RB,
          Series 1988B (CRE)                           3.55          6/01/05           115
  200    Comal County Health Facilities Development
          Corp. RB, Series 1997 (CRE)                  4.05          2/01/27           200
  100    Euless IDA RB, Series 1985 (CRE)              4.00         12/01/15           100
  100    Guadalupe-Blanco River Auth. IDRB,
          Series 1993 (CRE)                            4.00          6/01/02           100
  200    Gulf Coast IDA RB, Series 1989 (CRE)          4.05         11/01/19           200
  200    Harris County Housing Finance Corp. MFH RB,
          Series 1988A (CRE)                           3.63          6/01/05           200 
  305    Matagorda County Hospital District RB,
          Series 1988 (CRE)                            4.30          8/01/18           305
  100    Maverick County IDC RB, Series 1991 (CRE)     4.05         12/01/01           100
  630    Metropolitan Higher Education Auth. RB,
          Series 1984 (CRE)                            4.40         12/01/04           630
  670    North Central IDA RB, Series 1983             3.80         10/01/13           670
  485    Nueces River Auth. PCRB, Series 1985 (CRE)    4.20         12/01/99           485
  200    Port Development Corp. RB, Series 1984 (CRE)  4.25         12/01/04           200
         Tarrant County Housing Finance Corp. MFH RB, 
  200     Series 1985 (CRE)                            3.70         12/01/25           200
  300     Series 1994 (CRE)                            4.00         11/01/07           300
  100    Trinity River IDA RB, Series 1984 (CRE)       4.13         11/01/14           100
  100    Victoria Health Facilities Development 
          Corp. RB,
          Series 1997 (CRE)                            4.05          9/01/27           100
- ------------------------------------------------------------------------------------------
         Total variable rate demand notes (cost: $5,240)                             5,240
- ------------------------------------------------------------------------------------------

                  FIXED RATE INSTRUMENTS (17.0%)

         Texas
  290    Arlington Combination Tax and Revenue
          Certificate of Obligation, Series 1998       6.00          8/15/99           295
  200    Bexar Metropolitan Water District RB,
          Series 1995 (CRE) 1                          4.35          5/01/99           201
  250    Dallas Area Rapid Transit Sales Tax Revenue
          CP Notes, Series 1998B (CRE)                 3.65         11/18/98           250
  155    Frenship ISD GO, Series 1998 (CRE) 6          4.75          2/15/99           155
   45    McAllen ISD School Bonds, Series 1998 
          (CRE) 6                                      6.25          2/15/99            45
   80    River Place Municipal Utility District RB,
          Series 1998 (CRE) 3                          6.00          9/01/99            82
   60    Woodlands Road Utility District GO,
          Series 1997 (CRE) 4                          4.80         10/01/98            60
- ------------------------------------------------------------------------------------------
         Total fixed rate instruments (cost: $1,088)                                 1,088
- ------------------------------------------------------------------------------------------
         Total investments (cost: $6,328)                                          $ 6,328
==========================================================================================

</TABLE>




                          PORTFOLIO SUMMARY BY INDUSTRY
                          -----------------------------

            Education                                           13.0%
            Multi-Family Housing                                12.7 
            Manufacturing - Diversified Industries              10.5
            Healthcare - Miscellaneous                          10.1  
            General Obligations                                  9.9 
            Hospitals                                            7.9
            Aluminum                                             7.6
            Publishing/Newspapers                                7.6
            Airport/Port                                         6.2 
            Water/Sewer Utilities - Municipal                    4.7
            Sales Tax                                            3.9
            Building Material Group                              1.6 
            Lodging/Hotel                                        1.6
            Retail - Specialty                                   1.6
                                                               -----
            Total                                               98.9%
                                                               =====



NOTES TO PORTFOLIO OF INVESTMENTS

September 30, 1998
(Unaudited)



GENERAL NOTES
Values of securities  are  determined by procedures  and practices  discussed in
note 1 to the financial statements.

The cost of securities for federal income tax purposes is approximately the same
as that reported in the financial statements.

The percentages shown represent the percentage of the investments to net assets.


SPECIFIC NOTES
(a) Prerefunded to various dates prior to maturity at the call price.

(b)  Zero  Coupon  security.  Rate  represents  the  effective  yield at date of
purchase. For the Texas Tax-Free Income Fund these securities represent 10.0% of
the Fund's net assets.


See accompanying notes to financial statements.





<TABLE>

STATEMENTS OF ASSETS AND LIABILITIES
(IN THOUSANDS)

September 30, 1998
(Unaudited)

<CAPTION>


                                                                           USAA               USAA
                                                                           Texas          Texas Tax-Free
                                                                         Tax-Free          Money Market
                                                                       Income Fund            Fund
                                                                       ---------------------------------
<S>                                                                      <C>                <C> 
ASSETS
   Investments in securities, at market value
      (identified cost of $25,953 and $6,328, respectively)              $ 27,757           $ 6,328
   Cash                                                                         9                10
   Receivables:
      Capital shares sold                                                       4                27
      Interest                                                                358                36
                                                                         --------------------------
         Total assets                                                      28,128             6,401
                                                                         --------------------------

LIABILITIES
   Capital shares redeemed                                                     -                  2
   USAA Investment Management Company                                          12                -
   USAA Transfer Agency Company                                                 2                -
   Accounts payable and accrued expenses                                        7                -
   Dividends on capital shares                                                 22                 1
                                                                         --------------------------
         Total liabilities                                                     43                 3 
                                                                         --------------------------
            Net assets applicable to capital shares outstanding          $ 28,085           $ 6,398
                                                                         ==========================

Represented by:
   Paid-in capital                                                       $ 26,282           $ 6,398
   Accumulated net realized loss on investments                                (1)               -
   Net unrealized appreciation of investments                               1,804                -
                                                                         --------------------------
            Net assets applicable to capital shares outstanding          $ 28,085           $ 6,398
                                                                         ==========================
   Capital shares outstanding, unlimited number of shares
      authorized, $.001 par value                                           2,482             6,398
   Net asset value, redemption price, and offering price per share       $  11.32           $  1.00
                                                                         ==========================

</TABLE>



See accompanying notes to financial statements.




<TABLE>


STATEMENTS OF OPERATIONS
(IN THOUSANDS)

Six-month period ended September 30, 1998
(Unaudited)

<CAPTION>


                                                             USAA               USAA 
                                                             Texas          Texas Tax-Free
                                                           Tax-Free          Money Market
                                                          Income Fund           Fund
                                                          --------------------------------
<S>                                                          <C>               <C>
Net investment income:
   Interest income                                           $  669            $ 114
                                                             -----------------------
   Expenses:
      Management fees                                            61               15
      Transfer agent's fees                                      10                4
      Custodian's fees                                           15                6
      Postage                                                     1                1
      Shareholder reporting fees                                  1               -
      Trustees' fees                                              4                4
      Registration fees                                          12               -
      Professional fees                                           4                5
      Other                                                       1               -
                                                             -----------------------
         Total expenses before reimbursement                    109               35
      Expenses reimbursed                                       (48)             (20)
                                                             -----------------------
         Total expenses after reimbursement                      61               15
                                                             -----------------------
            Net investment income                               608               99
                                                             -----------------------
Net realized and unrealized gain (loss) on investments:
      Net realized loss                                          (1)              -
      Change in net unrealized appreciation/depreciation        568               -
                                                             -----------------------
            Net realized and unrealized gain                    567               -
                                                             -----------------------
Increase in net assets resulting from operations             $1,175            $  99
                                                             =======================


See accompanying notes to financial statements.

</TABLE>


<TABLE>



STATEMENTS OF CHANGES IN NET ASSETS
(IN THOUSANDS)

Six-month period ended September 30, 1998 and Year ended March 31, 1998
(Unaudited)

<CAPTION>


                                                      USAA                       USAA
                                                 Texas Tax-Free             Texas Tax-Free
                                                   Income Fund             Money Market Fund
                                               ---------------------------------------------
                                               9/30/98     3/31/98         9/30/98   3/31/98
                                               ---------------------------------------------


<S>                                             <C>         <C>           <C>       <C>
From operations:
   Net investment income                        $    608    $    808      $    99   $   186
   Net realized gain (loss) on investments            (1)        112            -        -
   Change in net unrealized appreciation/
      depreciation of investments                    568         959            -        -
                                                -------------------------------------------
      Increase in net assets resulting from
         operations                                1,175       1,879           99       186
                                                -------------------------------------------
Distributions to shareholders from:
   Net investment income                            (608)       (808)         (99)     (186)
                                                -------------------------------------------
   Net realized gains                                (37)       (129)           -        -
From capital share transactions:
   Proceeds from shares sold                       7,577       9,743        4,660    10,140
   Dividend reinvestments                            516         781           93       166
   Cost of shares redeemed                        (1,654)     (1,556)      (4,243)   (9,698)
                                                -------------------------------------------
      Increase in net assets from
         capital share transactions                6,439       8,968          510       608
                                                -------------------------------------------
Net increase in net assets                         6,969       9,910          510       608
Net assets:
   Beginning of period                            21,116      11,206        5,888     5,280
                                                -------------------------------------------
   End of period                                $ 28,085    $ 21,116      $ 6,398   $ 5,888
                                                ===========================================
Change in shares outstanding:
   Shares sold                                       682         894        4,660    10,140
   Shares issued for dividends reinvested             47          72           93       166
   Shares redeemed                                  (149)       (144)      (4,243)   (9,698) 
                                                -------------------------------------------
      Increase in shares outstanding                 580         822          510       608
                                                ===========================================

</TABLE>



See accompanying notes to financial statements.




NOTES TO FINANCIAL STATEMENTS

September 30, 1998
(Unaudited)



(1) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
USAA State Tax-Free Trust (the Trust),  registered under the Investment  Company
Act of 1940,  as  amended,  is a  diversified,  open-end  management  investment
company  organized as a Delaware  business  trust  consisting  of four  separate
funds. The information  presented in this semiannual report pertains only to the
USAA Texas  Tax-Free  Income Fund and USAA Texas Tax-Free Money Market Fund (the
Funds).  The Funds have a common  objective of providing  Texas investors with a
high level of current  interest income that is exempt from federal income taxes.
The USAA Texas Tax-Free Money Market Fund has a further  objective of preserving
capital and maintaining liquidity.

A. Security  valuation - Investments in the USAA Texas Tax-Free  Income Fund are
valued each  business  day by a pricing  service (the  Service)  approved by the
Trust's  Board of Trustees.  The Service  uses the mean  between  quoted bid and
asked prices or the last sale price to price  securities  when, in the Service's
judgement,  these prices are readily  available  and are  representative  of the
securities'  market  values.  For many  securities,  such prices are not readily
available.  The Service generally prices these securities based on methods which
include  consideration of yields or prices of municipal securities of comparable
quality,  coupon,  maturity and type,  indications  as to values from dealers in
securities,  and general market  conditions.  Securities which are not valued by
the Service,  and all other assets, are valued in good faith at fair value using
methods determined by the Manager under the general  supervision of the Board of
Trustees.  Securities purchased with maturities of 60 days or less and, pursuant
to Rule  2a-7  under  the  Investment  Company  Act of  1940,  as  amended,  all
securities in the USAA Texas Tax-Free Money Market Fund, are stated at amortized
cost which approximates market value.

B. Federal taxes - Each Fund's policy is to comply with the  requirements of the
Internal  Revenue Code  applicable  to  regulated  investment  companies  and to
distribute  substantially all of its income to its shareholders.  Therefore,  no
federal income or excise tax provision is required.

C.  Investments in securities - Security  transactions  are accounted for on the
date the securities are purchased or sold (trade date).  Gain or loss from sales
of investment  securities  is computed on the  identified  cost basis.  Interest
income is recorded  daily on the accrual  basis.  Premiums  and  original  issue
discounts  are  amortized  over the life of the  respective  securities.  Market
discounts are not amortized.  Any ordinary income related to market discounts is
recognized  upon  disposition of the  securities.  The Funds  concentrate  their
investments in Texas  municipal  securities and therefore may be exposed to more
credit risk than portfolios with a broader geographical diversification.

D. Use of estimates - The preparation of financial statements in conformity with
generally accepted  accounting  principles requires management to make estimates
and  assumptions   that  may  affect  the  reported  amounts  in  the  financial
statements.


(2) LINES OF CREDIT
The Funds  participate with other USAA funds in two joint  short-term  revolving
loan  agreements  totaling  $850  million,  one with  USAA  Capital  Corporation
(CAPCO),  an affiliate of the Manager ($750 million  uncommitted),  and one with
NationsBank  of  Texas,  N.A.  ($100  million  committed).  The  purpose  of the
agreements is to meet  temporary or emergency cash needs,  including  redemption
requests that might  otherwise  require the untimely  disposition of securities.
Subject to  availability  under its agreement  with CAPCO,  each Fund may borrow
from CAPCO an amount up to 5% of its total assets at CAPCO's borrowing rate with
no markup.  Subject to availability  under its agreement with NationsBank,  each
Fund may borrow from  NationsBank  an amount  which,  when added to  outstanding
borrowings under the CAPCO agreement, does not exceed 15% of its total assets at
NationsBank's  borrowing rate plus a markup.  The Funds had no borrowings  under
either of these agreements during the six-month period ended September 30, 1998.


(3) DISTRIBUTIONS
Net  investment  income  is  accrued  daily  as  dividends  and  distributed  to
shareholders monthly. Distributions of realized gains from security transactions
not  offset by  capital  losses  are made in the  succeeding  fiscal  year or as
otherwise required to avoid the payment of federal taxes.


(4) INVESTMENT TRANSACTIONS
Cost of purchases  and proceeds  from  sales/maturities  of  securities  for the
six-month period ended September 30, 1998 were as follows:

                             USAA Texas Tax-Free           USAA Texas Tax-Free
                                 Income Fund                Money Market Fund
                                   ($000)                         ($000)
                             -------------------           -------------------
Purchases                         $13,266                        $ 7,694
Sales/maturities                  $ 6,730                        $ 7,210

For the USAA Texas  Tax-Free  Income Fund,  cost of purchases  and proceeds from
sales/maturities  excludes short-term securities.  

Gross  unrealized  appreciation and depreciation of investments at September 30,
1998 was as follows:

                        Appreciation        Depreciation              Net
                           ($000)              ($000)               ($000)
                        ------------        ------------            ------
USAA Texas Tax-Free
  Income Fund              $1,804               $  -                $1,804


(5) TRANSACTIONS WITH MANAGER
A. Management fees - USAA Investment  Management  Company (the Manager)  carries
out  each  Fund's  investment   policies  and  manages  each  Fund's  portfolio.
Management  fees are  computed as a percentage  of aggregate  average net assets
(ANA) of both Funds  combined,  which on an annual basis is equal to .50% of the
first $50  million,  .40% of that  portion  over $50  million  but not over $100
million, and .30% of that portion over $100 million. These fees are allocated on
a proportional basis to each Fund monthly based upon ANA.

The Manager has voluntarily  agreed to limit the annual expenses of each Fund to
 .50% of its average net assets through August 1, 1999.

B. Transfer agent's fees - USAA Transfer Agency Company,  d/b/a USAA Shareholder
Account Services, an affiliate of the Manager,  provides transfer agent services
to the Funds  based on an  annual  charge of $26 per  shareholder  account  plus
out-of-pocket expenses.

C.  Underwriting  services - The Manager  provides  exclusive  underwriting  and
distribution  of the Funds'  shares on a  continuing  best  efforts  basis.  The
Manager receives no commissions or fees for this service.


(6) TRANSACTIONS WITH AFFILIATES
Certain trustees and officers of the Funds are also directors,  officers, and/or
employees  of the  Manager.  None of the  affiliated  trustees or Fund  officers
received any compensation from the Funds.



<TABLE>


NOTES TO FINANCIAL STATEMENTS (CONTINUED)
USAA TEXAS TAX-FREE INCOME FUND

September 30, 1998
(Unaudited)



(7) FINANCIAL HIGHLIGHTS
Per share operating  performance for a share outstanding  throughout each period
is as follows:

<CAPTION>

 
                                   Six-Month
                                  Period Ended
                                  September 30,            Year Ended March 31,
                                                ---------------------------------------------
                                      1998        1998        1997        1996       1995**
                                  -----------------------------------------------------------
<S>                                <C>         <C>         <C>         <C>         <C>
Net asset value at
   beginning of period             $  11.10    $  10.38    $  10.45    $  10.21    $  10.00
Net investment income                   .28         .57         .59         .58         .34
Net realized and
   unrealized gain                      .24         .82         .13         .36         .21
Distributions from net
   investment income                   (.28)       (.57)       (.59)       (.58)       (.34)
Distributions of realized
   capital gains                       (.02)       (.10)       (.20)       (.12)         -
                                  ----------------------------------------------------------
Net asset value at
   end of period                  $   11.32    $  11.10    $  10.38    $  10.45    $  10.21
                                  ==========================================================
Total return (%) *                     4.74       13.71        7.06        9.42        5.75
Net assets at end
   of period (000)                $  28,085    $ 21,116    $ 11,206    $  8,053    $  6,446
Ratio of expenses to
   average net assets (%)               .50(a)      .50         .50         .50         .50(a)
Ratio of expenses to
   average net assets
   excluding
   reimbursements (%)                   .90(a)      .98        1.35        1.66        2.40(a)
Ratio of net investment
   income to average
   net assets (%)                      5.01(a)     5.27        5.63        5.51        5.56(a)
Portfolio turnover (%)                28.07       56.29       86.17       71.14       49.63


</TABLE>


(a) Annualized. The ratio is not necessarily indicative of 12 months of 
    operations.
  * Assumes reinvestment of all dividend income and capital gain distributions 
    during the period.
 ** Fund commenced operations August 1, 1994.



<TABLE>


NOTES TO FINANCIAL STATEMENTS (CONTINUED)
USAA TEXAS TAX-FREE MONEY MARKET FUND

September 30, 1998
(Unaudited)



(7) FINANCIAL HIGHLIGHTS (CONTINUED)
Per share operating  performance for a share outstanding  throughout each period
is as follows:

<CAPTION>

                                 Six-Month
                               Period Ended                 Year Ended March 31,
                               September 30, -----------------------------------------------
                                   1998           1998        1997        1996        1995**
                               -------------------------------------------------------------
<S>                              <C>            <C>         <C>         <C>          <C>
Net asset value at
   beginning of period           $  1.00        $   1.00    $  1.00     $  1.00      $  1.00
Net investment income                .02             .03        .03         .03          .02
Distributions from net
   investment income                (.02)           (.03)      (.03)       (.03)        (.02)
                               -------------------------------------------------------------
Net asset value at
   end of period                 $  1.00        $   1.00    $  1.00     $  1.00      $  1.00
                               =============================================================
Total return (%) *                  1.66            3.43       3.22        3.49         2.09
Net assets at end
   of period (000)               $ 6,398        $  5,888    $ 5,280     $ 4,695      $ 3,881
Ratio of expenses to
   average net assets (%)            .50(a)          .50        .50         .50          .50(a)
Ratio of expenses to
   average net assets
   excluding
   reimbursements (%)               1.17(a)         1.37       1.77        2.02         2.63(a)
Ratio of net investment
   income to average
   net assets (%)                   3.31(a)         3.38       3.17        3.42         3.18(a)

</TABLE>


(a) Annualized. The ratio is not necessarily indicative of 12 months of 
    operations.
  * Assumes reinvestment of all dividend income distributions during the period.
 ** Fund commenced operations August 1, 1994.





DIRECTORS
Robert G. Davis, Chairman of the Board
Michael J.C. Roth, President and Vice Chairman of the Board
John W. Saunders, Jr., Vice President
Barbara B. Dreeben
Howard L. Freeman, Jr.
Robert L. Mason
Richard A. Zucker

INVESTMENT ADVISER, UNDERWRITER AND DISTRIBUTOR
USAA Investment Management Company
9800 Fredericksburg Road
San Antonio, Texas 78288

TRANSFER AGENT
USAA Shareholder Account Services
9800 Fredericksburg Road
San Antonio, Texas 78288

CUSTODIAN
State Street Bank and Trust Company
P.O. Box 1713
Boston, Massachusetts 02105

LEGAL COUNSEL
Goodwin, Procter & Hoar LLP
Exchange Place
Boston, Massachusetts 02109

INDEPENDENT AUDITORS
KPMG Peat Marwick LLP
112 East Pecan, Suite 2400
San Antonio, Texas 78205

Telephone Assistance Hours
Call toll free - Central Time
Monday - Friday 8:00 a.m. to 8:00 p.m.
Saturdays 8:30 a.m. to 5:00 p.m.

For Additional Information on Mutual Funds
1-800-531-8181, (in San Antonio) 456-7211
For account servicing, exchanges or redemptions
1-800-531-8448, (in San Antonio) 456-7202

Recorded Mutual Fund Price Quotes
24-Hour Service (from any phone)
1-800-531-8066, (in San Antonio) 498-8066

Mutual Fund TouchLine(Registered Trademark)
(from Touchtone phones only)
For account balance, last transaction or fund prices
1-800-531-8777, (in San Antonio) 498-8777




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