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Summary of Significant Accounting Policies - Additional Information (Details)
$ in Thousands
 12 Months Ended
Feb. 28, 2023
CNY (¥)
Feb. 28, 2023
USD ($)
Feb. 28, 2022
CNY (¥)
Feb. 28, 2021
CNY (¥)
Feb. 28, 2023
USD ($)
Feb. 28, 2022
USD ($)
Feb. 29, 2020
CNY (¥)
Significant Accounting Policies [Line Items]              
Cash and cash equivalents and restricted cash denominated in RMB ¥ 177,058,000   ¥ 272,702,000 ¥ 389,213,000 $ 25,540 $ 39,337 ¥ 442,355,000
Foreign currency translation exchange rate 6.9325       6.9325    
Cash and cash equivalents ¥ 175,696,000   262,429,000 378,358,000 $ 25,344    
Fair value change of investments 1,927,000 $ 278 1,106,000 (2,148,000)      
Impairment of investments 0   35,584,000 0      
Impairment loss on intangible asset 0   2,255,000 0      
Impairment loss of property and equipment recognized 0   7,871,000 0      
Loss from goodwill impairment 0   42,307,000 0      
Refund liability 408,000   664,000   59    
Contract assets 0   0        
Contract liabilities 7,269,000   6,492,000 75,242,000 $ 1,049 $ 936  
Advertising expenses ¥ 2,708,000 $ 391 15,579,000 25,486,000      
Operating lease, option to extend The Group’s leases have lease terms of up to fifteen years, which includes lessee options to extend the lease, only to the extent it is reasonably certain that the Group will exercise such extension options. The Group’s leases have lease terms of up to fifteen years, which includes lessee options to extend the lease, only to the extent it is reasonably certain that the Group will exercise such extension options.          
Operating lease impairment ¥ 0   0 0      
Income recognized from government subsidies ¥ 1,412,000 $ 204 2,298,000 ¥ 11,898,000      
Description of uncertain income tax position An uncertain income tax position will not be recognized if it has less than a 50% likelihood of being sustained. An uncertain income tax position will not be recognized if it has less than a 50% likelihood of being sustained.          
Maximum              
Significant Accounting Policies [Line Items]              
Operating lease, lease term 12 months       12 months    
Amount Due from Related Parties and Other Non-current Assets              
Significant Accounting Policies [Line Items]              
Allowance for doubtful accounts ¥ 7,038,000 $ 1,015 ¥ 5,599,000        
VIEs              
Significant Accounting Policies [Line Items]              
Percentage of revenue contributed of consolidated revenue 97.60% 97.60% 100.00% 100.00%      
Percentage of assets accounted of audited consolidated assets 17.00%   20.90%   17.00% 20.90%  
Percentage of liabilities accounted of audited consolidated liabilities 91.50%   92.60%   91.50% 92.60%  
Assets held only to settle obligations ¥ 0            
Cash and cash equivalents and restricted cash denominated in RMB ¥ 70,628,000   ¥ 86,019,000   $ 10,188