<PAGE> PAGE 1
000 A000000 05/31/96
000 C000000 808334
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 U
001 A000000 KEYSTONE TAX FREE INCOME FUND
001 B000000 811-4951
001 C000000 6173383200
002 A000000 200 BERKELEY STREET
002 B000000 BOSTON
002 C000000 MA
002 D010000 02116
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
007 C010100 1
007 C010200 2
007 C010300 3
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
008 A000001 KEYTONE INVESTMENT MANAGEMENT CO.
008 B000001 A
008 C000001 801-8327
008 D010001 BOSTON
008 D020001 MA
008 D030001 02110
010 A000001 KEYSTONE INVESTMENTS, INC.
010 C010001 BOSTON
010 C020001 MA
010 C030001 02116
010 C040001 5034
011 A000001 KEYSTONE INVESTMENT DISTRIBUTORS CO.
011 B000001 8-395
011 C010001 BOSTON
011 C020001 MA
011 C030001 02110
022 A000001 MORGAN STANELY & CO, INC.
022 C000001 10640
022 D000001 8073
<PAGE> PAGE 2
022 A000002 GOLDMAN SACHS MUNICIPAL
022 B000002 13-510880
022 C000002 11733
022 D000002 4676
022 A000003 EVEREN CLEARING CORP
022 C000003 5226
022 D000003 7170
022 A000004 WILLIAM SIMON MUNICIPAL SEC.
022 C000004 3217
022 D000004 9011
022 A000005 REGIONAL OPERATIONS GROUP
022 C000005 4149
022 D000005 6459
022 A000006 GEORGE K. BAUM & COMPANY
022 C000006 6498
022 D000006 3597
022 A000007 LEHMAN BROS., INC.
022 B000007 13-2518466
022 C000007 3698
022 D000007 4097
022 A000008 MERRILL LYNCH PIERCE FENNER
022 C000008 2925
022 D000008 4744
022 A000009 PAINE WEBBER, INC.
022 B000009 13-2638166
022 C000009 1186
022 D000009 3593
022 A000010 PRUDENTIAL SECURITIES, INC.
022 C000010 1467
022 D000010 2948
023 C000000 708991
023 D000000 113917
024 000000 N
028 A010000 1237
028 A020000 312
028 A030000 0
028 A040000 3137
028 B010000 744
028 B020000 312
028 B030000 0
028 B040000 2433
028 C010000 579
028 C020000 307
028 C030000 0
028 C040000 2281
028 D010000 640
028 D020000 305
028 D030000 0
028 D040000 2528
028 E010000 1090
028 E020000 302
<PAGE> PAGE 3
028 E030000 0
028 E040000 3034
028 F010000 161
028 F020000 309
028 F030000 0
028 F040000 2817
028 G010000 4451
028 G020000 1847
028 G030000 0
028 G040000 16230
028 H000000 2391
029 000000 Y
030 A000000 17
030 B000000 4.75
030 C000000 4.75
031 A000000 15
031 B000000 0
032 000000 2
033 000000 0
034 000000 Y
035 000000 37
036 A000000 N
036 B000000 0
037 000000 N
038 000000 0
039 000000 N
040 000000 Y
041 000000 Y
042 A000000 0
042 B000000 0
042 C000000 100
042 D000000 0
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 368
044 000000 0
045 000000 Y
046 000000 N
047 000000 N
048 000000 0.000
048 A010000 0
048 A020000 0.000
048 B010000 0
048 B020000 0.000
048 C010000 0
048 C020000 0.000
048 D010000 0
048 D020000 0.000
048 E010000 0
<PAGE> PAGE 4
048 E020000 0.000
048 F010000 0
048 F020000 0.000
048 G010000 0
048 G020000 0.000
048 H010000 0
048 H020000 0.000
048 I010000 0
048 I020000 0.000
048 J010000 0
048 J020000 0.000
048 K010000 0
048 K020000 0.000
049 000000 N
050 000000 Y
051 000000 N
052 000000 N
053 A000000 N
054 A000000 Y
054 B000000 N
054 C000000 N
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 N
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 N
054 M000000 Y
054 N000000 N
054 O000000 Y
055 A000000 Y
055 B000000 N
056 000000 N
057 000000 N
058 A000000 N
059 000000 Y
060 A000000 Y
060 B000000 Y
061 000000 0
062 A000000 Y
062 B000000 0.0
062 C000000 0.0
062 D000000 0.0
062 E000000 0.4
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 0.0
<PAGE> PAGE 5
062 J000000 0.0
062 K000000 0.0
062 L000000 0.0
062 M000000 0.0
062 N000000 0.0
062 O000000 97.8
062 P000000 0.0
062 Q000000 0.0
062 R000000 1.8
063 A000000 0
063 B000000 19.0
064 A000000 Y
064 B000000 N
066 A000000 N
067 000000 N
068 A000000 N
068 B000000 N
069 000000 N
070 A010000 Y
070 A020000 N
070 B010000 N
070 B020000 N
070 C010000 Y
070 C020000 N
070 D010000 N
070 D020000 N
070 E010000 Y
070 E020000 Y
070 F010000 N
070 F020000 N
070 G010000 Y
070 G020000 N
070 H010000 N
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 N
070 K010000 Y
070 K020000 N
070 L010000 Y
070 L020000 N
070 M010000 Y
070 M020000 N
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 Y
070 P020000 N
070 Q010000 N
<PAGE> PAGE 6
070 Q020000 N
070 R010000 Y
070 R020000 N
071 A000000 83147
071 B000000 86556
071 C000000 139312
071 D000000 60
072 A000000 6
072 B000000 4577
072 C000000 0
072 D000000 0
072 E000000 0
072 F000000 440
072 G000000 0
072 H000000 0
072 I000000 105
072 J000000 39
072 K000000 0
072 L000000 9
072 M000000 6
072 N000000 21
072 O000000 0
072 P000000 0
072 Q000000 11
072 R000000 12
072 S000000 7
072 T000000 368
072 U000000 0
072 V000000 0
072 W000000 7
072 X000000 1025
072 Y000000 0
072 Z000000 3552
072AA000000 583
072BB000000 0
072CC010000 0
072CC020000 6387
072DD010000 2348
072DD020000 1160
072EE000000 0
073 A010000 0.0000
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 0
074 B000000 0
074 C000000 590
074 D000000 134438
074 E000000 0
074 F000000 0
074 G000000 0
<PAGE> PAGE 7
074 H000000 0
074 I000000 0
074 J000000 1272
074 K000000 4
074 L000000 2755
074 M000000 22
074 N000000 139081
074 O000000 1258
074 P000000 9
074 Q000000 0
074 R010000 367
074 R020000 0
074 R030000 0
074 R040000 0
074 S000000 0
074 T000000 137447
074 U010000 8952
074 U020000 5352
074 V010000 0.00
074 V020000 0.00
074 W000000 0.0000
074 X000000 4
074 Y000000 0
075 A000000 0
075 B000000 142348
076 000000 0.00
077 A000000 Y
077 B000000 Y
077 C000000 N
077 D000000 N
077 E000000 N
077 F000000 N
077 G000000 N
077 H000000 N
077 I000000 N
077 J000000 N
077 K000000 N
077 L000000 N
077 M000000 N
077 N000000 N
077 O000000 N
077 P000000 N
077 Q010000 Y
077 Q020000 N
077 Q030000 N
078 000000 N
080 A000000 ICI MUTUAL INSURANCE COMPANY
080 B000000 FREDERICK JAMES
080 C000000 35
081 A000000 Y
081 B000000 32
<PAGE> PAGE 8
082 A000000 N
082 B000000 0
083 A000000 N
083 B000000 0
084 A000000 N
084 B000000 0
085 A000000 N
SIGNATURE J. KEVIN KENELY
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM ACCOUNTING
RECORDS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH ACCOUNTING
RECORDS.
</LEGEND>
<SERIES>
<NUMBER> 101
<NAME> KEYSTONE TAX FREE INCOME FUND CLASS A
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> NOV-30-1996
<PERIOD-START> DEC-01-1995
<PERIOD-END> MAY-31-1996
<INVESTMENTS-AT-COST> 130,212,904
<INVESTMENTS-AT-VALUE> 135,027,512
<RECEIVABLES> 4,031,650
<ASSETS-OTHER> 21,517
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 139,080,679
<PAYABLE-FOR-SECURITIES> 1,257,861
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 376,062
<TOTAL-LIABILITIES> 1,633,923
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 83,347,469
<SHARES-COMMON-STOCK> 8,952,254
<SHARES-COMMON-PRIOR> 9,370,675
<ACCUMULATED-NII-CURRENT> 135,416
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 6,535,702
<NET-ASSETS> 86,300,339
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 2,915,552
<OTHER-INCOME> 0
<EXPENSES-NET> (525,270)
<NET-INVESTMENT-INCOME> 2,390,281
<REALIZED-GAINS-CURRENT> 372,607
<APPREC-INCREASE-CURRENT> (4,029,689)
<NET-CHANGE-FROM-OPS> (1,266,800)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (2,347,709)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 122,953
<NUMBER-OF-SHARES-REDEEMED> (794,989)
<SHARES-REINVESTED> 122,387
<NET-CHANGE-IN-ASSETS> (7,882,435)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 92,843
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> (280,425)
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (525,270)
<AVERAGE-NET-ASSETS> 90,660,328
<PER-SHARE-NAV-BEGIN> 10.05
<PER-SHARE-NII> 0.26
<PER-SHARE-GAIN-APPREC> (0.41)
<PER-SHARE-DIVIDEND> (0.26)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 9.64
<EXPENSE-RATIO> 1.16
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM ACCOUNTING
RECORDS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH ACCOUNTING
RECORDS.
</LEGEND>
<SERIES>
<NUMBER> 102
<NAME> KEYSTONE TAX FREE INCOME FUND CLASS B
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> NOV-30-1996
<PERIOD-START> DEC-01-1995
<PERIOD-END> MAY-31-1996
<INVESTMENTS-AT-COST> 130,212,904
<INVESTMENTS-AT-VALUE> 135,027,512
<RECEIVABLES> 4,031,650
<ASSETS-OTHER> 21,517
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 139,080,679
<PAYABLE-FOR-SECURITIES> 1,257,861
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 376,062
<TOTAL-LIABILITIES> 1,633,923
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 35,864,792
<SHARES-COMMON-STOCK> 3,592,376
<SHARES-COMMON-PRIOR> 3,356,230
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (172,519)
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (215,030)
<NET-ASSETS> 34,325,202
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1,062,353
<OTHER-INCOME> 0
<EXPENSES-NET> (319,626)
<NET-INVESTMENT-INCOME> 742,727
<REALIZED-GAINS-CURRENT> 123,793
<APPREC-INCREASE-CURRENT> (1,437,439)
<NET-CHANGE-FROM-OPS> (570,920)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (743,774)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 205,070
<NUMBER-OF-SHARES-REDEEMED> (382,264)
<SHARES-REINVESTED> 38,795
<NET-CHANGE-IN-ASSETS> 876,675
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> (171,471)
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> (102,165)
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (319,626)
<AVERAGE-NET-ASSETS> 32,895,209
<PER-SHARE-NAV-BEGIN> 9.97
<PER-SHARE-NII> 0.22
<PER-SHARE-GAIN-APPREC> (0.41)
<PER-SHARE-DIVIDEND> (0.22)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 9.56
<EXPENSE-RATIO> 1.92
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM ACCOUNTING
RECORDS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH ACCOUNTING
RECORDS.
</LEGEND>
<SERIES>
<NUMBER> 103
<NAME> KEYSTONE TAX FREE INCOME FUND CLASS C
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> NOV-30-1996
<PERIOD-START> DEC-01-1995
<PERIOD-END> MAY-31-1996
<INVESTMENTS-AT-COST> 130,212,904
<INVESTMENTS-AT-VALUE> 135,027,512
<RECEIVABLES> 4,031,650
<ASSETS-OTHER> 21,517
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 139,080,679
<PAYABLE-FOR-SECURITIES> 1,257,861
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 376,062
<TOTAL-LIABILITIES> 1,633,923
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 19,778,892
<SHARES-COMMON-STOCK> 1,760,087
<SHARES-COMMON-PRIOR> 2,045,152
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (207,290)
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (1,506,065)
<NET-ASSETS> 16,821,216
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 599,447
<OTHER-INCOME> 0
<EXPENSES-NET> (180,561)
<NET-INVESTMENT-INCOME> 418,885
<REALIZED-GAINS-CURRENT> 86,551
<APPREC-INCREASE-CURRENT> (920,351)
<NET-CHANGE-FROM-OPS> (414,915)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (416,644)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 131,654
<NUMBER-OF-SHARES-REDEEMED> (469,822)
<SHARES-REINVESTED> 26,248
<NET-CHANGE-IN-ASSETS> (3,564,532)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> (209,532)
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> (57,677)
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (180,561)
<AVERAGE-NET-ASSETS> 18,629,058
<PER-SHARE-NAV-BEGIN> 9.97
<PER-SHARE-NII> 0.22
<PER-SHARE-GAIN-APPREC> (0.41)
<PER-SHARE-DIVIDEND> (0.22)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 9.56
<EXPENSE-RATIO> 1.92
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
