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<PAGE> PAGE 9
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<PAGE> PAGE 11
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SIGNATURE J.KEVIN KENELY
TITLE TREASURER
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THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM ACCOUNTING
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RECORDS.
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<SERIES>
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<NAME> KEYSTONE CALIFORNIA INSSURD TAX FREE FUND CLASS A
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<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM ACCOUNTING
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<NUMBER> 102
<NAME> KEYSTONE CALIFORNIA INSSURD TAX FREE FUND CLASS B
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<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM ACCOUNTING
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<NUMBER> 103
<NAME> KEYSTONE CALIFORNIA INSSURD TAX FREE FUND CLASS C
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<NUMBER-OF-SHARES-REDEEMED> (18,612)
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</TABLE>
<TABLE> <S> <C>
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<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM ACCOUNTING
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RECORDS.
</LEGEND>
<SERIES>
<NUMBER> 201
<NAME> KEYSTONE MISSOURI TAX FREE FUND CLASS A
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<FISCAL-YEAR-END> NOV-30-1996
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<ACCUM-APPREC-OR-DEPREC> 61,759
<NET-ASSETS> 3,219,651
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 125,399
<OTHER-INCOME> 0
<EXPENSES-NET> (16,927)
<NET-INVESTMENT-INCOME> 108,472
<REALIZED-GAINS-CURRENT> 87,123
<APPREC-INCREASE-CURRENT> (252,525)
<NET-CHANGE-FROM-OPS> (56,930)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (112,493)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 123,469
<NUMBER-OF-SHARES-REDEEMED> (280,951)
<SHARES-REINVESTED> 7,844
<NET-CHANGE-IN-ASSETS> (1,628,673)
<ACCUMULATED-NII-PRIOR> 17,162
<ACCUMULATED-GAINS-PRIOR> (124,133)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> (12,441)
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (25,748)
<AVERAGE-NET-ASSETS> 4,462,461
<PER-SHARE-NAV-BEGIN> 9.91
<PER-SHARE-NII> 0.25
<PER-SHARE-GAIN-APPREC> (0.42)
<PER-SHARE-DIVIDEND> (0.25)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 9.49
<EXPENSE-RATIO> 0.77
<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> 202
<NAME> KEYSTONE MISSOURI TAX FREE 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> 25,227,899
<INVESTMENTS-AT-VALUE> 25,544,511
<RECEIVABLES> 1,391,476
<ASSETS-OTHER> 6,217
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 26,942,204
<PAYABLE-FOR-SECURITIES> 1,065,892
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 122,015
<TOTAL-LIABILITIES> 1,187,907
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 21,173,724
<SHARES-COMMON-STOCK> 2,249,867
<SHARES-COMMON-PRIOR> 2,166,339
<ACCUMULATED-NII-CURRENT> (76,001)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (230,522)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 224,482
<NET-ASSETS> 21,091,683
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 597,948
<OTHER-INCOME> 0
<EXPENSES-NET> (161,018)
<NET-INVESTMENT-INCOME> 436,930
<REALIZED-GAINS-CURRENT> 267,143
<APPREC-INCREASE-CURRENT> (1,182,069)
<NET-CHANGE-FROM-OPS> (477,996)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (461,118)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 199,117
<NUMBER-OF-SHARES-REDEEMED> (138,217)
<SHARES-REINVESTED> 22,628
<NET-CHANGE-IN-ASSETS> (139,283)
<ACCUMULATED-NII-PRIOR> (51,813)
<ACCUMULATED-GAINS-PRIOR> (497,665)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> (59,010)
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (203,736)
<AVERAGE-NET-ASSETS> 21,226,874
<PER-SHARE-NAV-BEGIN> 9.80
<PER-SHARE-NII> 0.20
<PER-SHARE-GAIN-APPREC> (0.42)
<PER-SHARE-DIVIDEND> (0.21)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 9.37
<EXPENSE-RATIO> 1.52
<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> 203
<NAME> KEYSTONE MISSOURI TAX FREE 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> 25,227,899
<INVESTMENTS-AT-VALUE> 25,544,511
<RECEIVABLES> 1,391,476
<ASSETS-OTHER> 6,217
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 26,942,204
<PAYABLE-FOR-SECURITIES> 1,065,892
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 122,015
<TOTAL-LIABILITIES> 1,187,907
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1,443,853
<SHARES-COMMON-STOCK> 154,033
<SHARES-COMMON-PRIOR> 182,615
<ACCUMULATED-NII-CURRENT> (7,287)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (23,974)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 30,371
<NET-ASSETS> 1,442,963
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 45,660
<OTHER-INCOME> 0
<EXPENSES-NET> (12,309)
<NET-INVESTMENT-INCOME> 33,351
<REALIZED-GAINS-CURRENT> 24,034
<APPREC-INCREASE-CURRENT> (93,350)
<NET-CHANGE-FROM-OPS> (35,965)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (35,290)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 10,007
<NUMBER-OF-SHARES-REDEEMED> (40,993)
<SHARES-REINVESTED> 2,404
<NET-CHANGE-IN-ASSETS> (345,467)
<ACCUMULATED-NII-PRIOR> (5,348)
<ACCUMULATED-GAINS-PRIOR> (48,008)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> (4,514)
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (15,549)
<AVERAGE-NET-ASSETS> 1,622,646
<PER-SHARE-NAV-BEGIN> 9.79
<PER-SHARE-NII> 0.19
<PER-SHARE-GAIN-APPREC> (0.40)
<PER-SHARE-DIVIDEND> (0.21)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 9.37
<EXPENSE-RATIO> 1.52
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
