<ARTICLE>                     5
<LEGEND>
Exhibit 27

This schedule  contains  summary  financial  information  extracted from FactSet
Research   Systems  Inc.   consolidated   statement   of  financial   condition,
consolidated  statement of income, and consolidated  statement of cash flows for
the period  ending  February  28,  2001,  and is  qualified  in its  entirety by
reference to such financial statements.


<CIK>                                          0001013237
<NAME>                                         FactSet Research Systems Inc.
<MULTIPLIER>                                   1,000


                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                              AUG-31-2001
<PERIOD-END>                                   FEB-28-2001
<CASH>                                         47,433
<SECURITIES>                                   30,799
<RECEIVABLES>                                  30,397
<ALLOWANCES>                                    1,938
<INVENTORY>                                         0
<CURRENT-ASSETS>                              115,745
<PP&E>                                         30,150
<DEPRECIATION>                                  7,635
<TOTAL-ASSETS>                                160,798
<CURRENT-LIABILITIES>                          39,912
<BONDS>                                             0
<PREFERRED-MANDATORY>                               0
<PREFERRED>                                         0
<COMMON>                                          331
<OTHER-SE>                                    119,948
<TOTAL-LIABILITY-AND-EQUITY>                  160,798
<SALES>                                        83,835
<TOTAL-REVENUES>                               83,835
<CGS>                                               0
<TOTAL-COSTS>                                  59,515
<OTHER-EXPENSES>                                    0
<LOSS-PROVISION>                                    0
<INTEREST-EXPENSE>                                  0
<INCOME-PRETAX>                                26,193
<INCOME-TAX>                                   10,069
<INCOME-CONTINUING>                            16,124
<DISCONTINUED>                                      0
<EXTRAORDINARY>                                     0
<CHANGES>                                           0
<NET-INCOME>                                   16,124
<EPS-BASIC>                                       .49
<EPS-DILUTED>                                     .46