<TABLE> <S> <C>

<ARTICLE>         6
<LEGEND>
   This schedule contains summary financial information extracted from the
   Statement of Assets and Liabilities, the Statement of Operations, the
   Statement of Changes in Net Assets and the Per Unit Data and Ratios
   contained in the Quarterly Report to which this schedule relates and is
   qualified in its entirety by reference to such financial statements.
</LEGEND>
<CIK>             0000878375
<NAME>            AMERICAN BAR ASSOC. MEMBERS/STATE STREET COLLECTIVE TRUST
<SERIES>
   <NUMBER>       0
   <NAME>         STRUCTURED PORTFOLIO SERVICE-AGGRESSIVE
       
<S>                             <C>  
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                           DEC-31-1997
<PERIOD-START>                              JAN-01-1997
<PERIOD-END>                                MAR-31-1997
<INVESTMENTS-AT-COST>                        34,026,511
<INVESTMENTS-AT-VALUE>                       36,165,457
<RECEIVABLES>                                   437,739
<ASSETS-OTHER>                                        0
<OTHER-ITEMS-ASSETS>                                  0
<TOTAL-ASSETS>                               36,603,196
<PAYABLE-FOR-SECURITIES>                        437,739
<SENIOR-LONG-TERM-DEBT>                               0
<OTHER-ITEMS-LIABILITIES>                         3,074
<TOTAL-LIABILITIES>                             440,813
<SENIOR-EQUITY>                                       0
<PAID-IN-CAPITAL-COMMON>                              0
<SHARES-COMMON-STOCK>                                 0
<SHARES-COMMON-PRIOR>                                 0
<ACCUMULATED-NII-CURRENT>                             0
<OVERDISTRIBUTION-NII>                                0
<ACCUMULATED-NET-GAINS>                               0
<OVERDISTRIBUTION-GAINS>                              0
<ACCUM-APPREC-OR-DEPREC>                              0
<NET-ASSETS>                                 36,162,383
<DIVIDEND-INCOME>                                     0
<INTEREST-INCOME>                                     0
<OTHER-INCOME>                                        0
<EXPENSES-NET>                                    7,968
<NET-INVESTMENT-INCOME>                         (7,968)
<REALIZED-GAINS-CURRENT>                        461,063
<APPREC-INCREASE-CURRENT>                     (556,613)
<NET-CHANGE-FROM-OPS>                         (103,518)
<EQUALIZATION>                                        0
<DISTRIBUTIONS-OF-INCOME>                             0
<DISTRIBUTIONS-OF-GAINS>                              0
<DISTRIBUTIONS-OTHER>                                 0
<NUMBER-OF-SHARES-SOLD>                         969,377
<NUMBER-OF-SHARES-REDEEMED>                   (126,420)
<SHARES-REINVESTED>                                   0
<NET-CHANGE-IN-ASSETS>                       10,604,522
<ACCUMULATED-NII-PRIOR>                               0
<ACCUMULATED-GAINS-PRIOR>                             0
<OVERDISTRIB-NII-PRIOR>                               0
<OVERDIST-NET-GAINS-PRIOR>                            0
<GROSS-ADVISORY-FEES>                                 0
<INTEREST-EXPENSE>                                    0
<GROSS-EXPENSE>                                       0
<AVERAGE-NET-ASSETS>                                  0
<PER-SHARE-NAV-BEGIN>                             12.41
<PER-SHARE-NII>                                       0
<PER-SHARE-GAIN-APPREC>                            0.05
<PER-SHARE-DIVIDEND>                                  0
<PER-SHARE-DISTRIBUTIONS>                             0
<RETURNS-OF-CAPITAL>                                  0
<PER-SHARE-NAV-END>                               12.46
<EXPENSE-RATIO>                                       0
<AVG-DEBT-OUTSTANDING>                                0
<AVG-DEBT-PER-SHARE>                                  0
        

</TABLE>