Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)

v3.7.0.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)
 12 Months Ended
May 19, 2016
USD ($)
Mar. 31, 2017
CNY (¥)
Mar. 31, 2016
CNY (¥)
Mar. 31, 2015
CNY (¥)
Mar. 31, 2017
USD ($)
¥ / $
Mar. 31, 2017
CNY (¥)
¥ / $
Jul. 31, 2016
CNY (¥)
May 19, 2016
CNY (¥)
Foreign currency translation and risks                
Rate for translation of balances of financial statements from RMB to US$ | ¥ / $         6.8832 6.8832    
Revenue recognition                
Business tax as a percentage of gross revenues   5.00%            
VAT rate one as a percentage of gross revenues   3.00%            
VAT rate two as a percentage of gross revenues   6.00%            
Cost of revenues                
Test monitoring costs   ¥ 163,061,810 ¥ 142,116,286 ¥ 113,042,449        
Royalty fees   7,423,118 4,823,101 4,991,524        
Operating lease                
Contingent rent   0            
Asset retirement obligations           ¥ 0    
Cash, cash equivalents, restricted cash and short term loan                
Borrowed amount         $ 501,170 ¥ 3,449,650    
Software developed for internal use                
Research and development costs                
Capitalized costs for the period   ¥ 0 ¥ 0 ¥ 0        
Minimum                
Operating lease                
Operating lease term   12 months            
Maximum                
Operating lease                
Operating lease term   58 months            
Commercial Loan Facility (the "Facility") | ATA BVI                
Cash, cash equivalents, restricted cash and short term loan                
Term of commercial loan facility 2 years              
Maximum borrowing capacity | $ $ 4,000,000              
Maturity date of each drawdown 12 months              
Maximum maturity date of each drawdown prior to the expiration date of the corresponding SBLC 5 days              
Borrowed amount             ¥ 3,449,650  
Commercial Loan Facility (the "Facility") | ATA BVI | Restricted cash                
Cash, cash equivalents, restricted cash and short term loan                
Standby Letter of Credit ("SBLC") used to secure the Facility               ¥ 30,000,000
Commercial Loan Facility (the "Facility") | 3-month LIBOR | ATA BVI                
Cash, cash equivalents, restricted cash and short term loan                
Annual interest rate (as a percentage) 2.50%              
Online education services | Minimum                
Revenue recognition                
Period for which end users can access services   90 days            
Online education services | Maximum                
Revenue recognition                
Period for which end users can access services   360 days            
Other revenue - licensing fees from authorized test centers                
Revenue recognition                
Period of revenue recognition   10 years            
Test development services | Minimum                
Revenue recognition                
Period for development of tests   2 months            
Test development services | Maximum                
Revenue recognition                
Period for development of tests   6 months