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STATUTORY RESERVES AND RESTRICTED NET ASSETS (Details) - USD ($)
$ in Thousands
12 Months Ended
Feb. 28, 2022
Feb. 28, 2021
STATUTORY RESERVES AND RESTRICTED NET ASSETS    
Appropriation of after tax income to statutory surplus reserve per annum 10.00%  
Reserve level threshold for mandatory transfer percentage 50.00%  
Minimum appropriation of after tax income to development fund for profit of private schools 10.00%  
Minimum appropriation of annual increase of net assets to development fund for non-profit private schools 10.00%  
Appropriations to statutory surplus reserve $ 40,489 $ 1,721
Appropriations to development fund   36,852
Reverse appropriation to development fund 7,412  
Paid-in capital of Company's PRC subsidiaries, VIEs and VIEs' subsidiaries 789,132 669,242
Statutory reserve of Company's PRC subsidiaries, VIEs and VIEs' subsidiaries 154,362 121,285
Total of restricted net assets of Company's PRC subsidiaries, VIEs and VIEs' subsidiaries $ 943,494 $ 790,527