<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
this schedule contains summary financial information extracted from mason street
funds, inc. international equity fund, 09/30/00 financial statements class b.
</LEGEND>
<CIK> 0001023744
<NAME> MASON STREET FUNDS, INC.
<SERIES>
<NUMBER> 092
<NAME> INTERNATIONAL EQUITY FUND CLASS B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-2001
<PERIOD-START> APR-01-2000
<PERIOD-END> SEP-30-2000
<INVESTMENTS-AT-COST> 39,290,027
<INVESTMENTS-AT-VALUE> 38,214,099
<RECEIVABLES> 1,247,653
<ASSETS-OTHER> 6,218
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 39,467,970
<PAYABLE-FOR-SECURITIES> 296,457
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,036,373
<TOTAL-LIABILITIES> 1,332,830
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 37,225,941
<SHARES-COMMON-STOCK> 419,602
<SHARES-COMMON-PRIOR> 390,451
<ACCUMULATED-NII-CURRENT> 285,122
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1,720,691
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (1,096,614)
<NET-ASSETS> 38,135,140
<DIVIDEND-INCOME> 514,804
<INTEREST-INCOME> 113,844
<OTHER-INCOME> 0
<EXPENSES-NET> (335,577)
<NET-INVESTMENT-INCOME> 293,071
<REALIZED-GAINS-CURRENT> 1,347,897
<APPREC-INCREASE-CURRENT> (2,835,098)
<NET-CHANGE-FROM-OPS> (1,194,130)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 47,759
<NUMBER-OF-SHARES-REDEEMED> 18,608
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (294,121)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 372,783
<OVERDISTRIB-NII-PRIOR> (8,186)
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 165,741
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 379,389
<AVERAGE-NET-ASSETS> 4,201,640
<PER-SHARE-NAV-BEGIN> 10.40
<PER-SHARE-NII> 0.01
<PER-SHARE-GAIN-APPREC> (0.35)
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.06
<EXPENSE-RATIO> 2.30
</TABLE>
