<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 May 30, 2000, and is qualified in its entirety by reference to
such financial statements.


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


                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                              AUG-31-2000
<PERIOD-END>                                   MAY-31-2000
<CASH>                                         42,596
<SECURITIES>                                   22,874
<RECEIVABLES>                                  18,070
<ALLOWANCES>                                    1,095
<INVENTORY>                                         0
<CURRENT-ASSETS>                               92,527
<PP&E>                                         21,658
<DEPRECIATION>                                  8,705
<TOTAL-ASSETS>                                118,557
<CURRENT-LIABILITIES>                          22,030
<BONDS>                                             0
<PREFERRED-MANDATORY>                               0
<PREFERRED>                                         0
<COMMON>                                          329
<OTHER-SE>                                     96,010
<TOTAL-LIABILITY-AND-EQUITY>                  118,557
<SALES>                                        97,064
<TOTAL-REVENUES>                               97,064
<CGS>                                               0
<TOTAL-COSTS>                                  71,705
<OTHER-EXPENSES>                                    0
<LOSS-PROVISION>                                    0
<INTEREST-EXPENSE>                                  0
<INCOME-PRETAX>                                27,704
<INCOME-TAX>                                    9,714
<INCOME-CONTINUING>                            17,990
<DISCONTINUED>                                      0
<EXTRAORDINARY>                                     0
<CHANGES>                                           0
<NET-INCOME>                                   17,990
<EPS-BASIC>                                     .56
<EPS-DILUTED>                                     .52


<F1> FOR PURPOSES OF THIS STATEMENT, PRIMARY MEANS BASIC.