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BUSINESS ACQUISITION - Pro forma (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Feb. 28, 2021 | Feb. 29, 2020 | Feb. 28, 2019
Acquisitions fiscal 2021 |  |  |
Business Acquisition [Line Items] |  |  |
Pro forma net revenues | $ 4,516,022 | $ 3,376,955 |
Pro forma net income/ (loss) attributable to TAL Education Group | $ (119,780) | $ (173,199) |
Pro forma net income/ (loss) per share - basic | $ (0.59) | $ (0.87) |
Pro forma net income/ (loss) per share - diluted | $ (0.59) | $ (0.87) |
Acquisitions fiscal 2020 |  |  |
Business Acquisition [Line Items] |  |  |
Pro forma net revenues |  | $ 3,273,549 | $ 2,563,413
Pro forma net income/ (loss) attributable to TAL Education Group |  | $ (110,263) | $ 367,041
Pro forma net income/ (loss) per share - basic |  | $ (0.56) | $ 1.93
Pro forma net income/ (loss) per share - diluted |  | $ (0.56) | $ 1.83

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