<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAY-31-2001
<PERIOD-START> JUN-01-2000
<PERIOD-END> NOV-30-2000
<CASH> 19,965,000
<SECURITIES> 0
<RECEIVABLES> 25,048,000
<ALLOWANCES> 35,000
<INVENTORY> 0
<CURRENT-ASSETS> 46,982,000
<PP&E> 14,075,000
<DEPRECIATION> 7,312,000
<TOTAL-ASSETS> 66,900,000
<CURRENT-LIABILITIES> 43,654,000
<BONDS> 0
0
0
<COMMON> 52,000
<OTHER-SE> 20,559,000
<TOTAL-LIABILITY-AND-EQUITY> 66,900,000
<SALES> 105,708,000
<TOTAL-REVENUES> 105,708,000
<CGS> 0
<TOTAL-COSTS> 103,271,000
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 215,000
<INCOME-PRETAX> 3,921,000
<INCOME-TAX> 1,887,000
<INCOME-CONTINUING> 2,034,000
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 2,034,000
<EPS-BASIC> 0.40
<EPS-DILUTED> 0.35
</TABLE>