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INCOME TAXES (Details) | 12 Months Ended | 36 Months Ended | 12 Months Ended | 24 Months Ended | 36 Months Ended | 24 Months Ended | 36 Months Ended | 12 Months Ended
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Feb. 28, 2013 USD ($) | Feb. 28, 2013 CNY | Feb. 29, 2012 USD ($) | Feb. 28, 2011 USD ($) | Dec. 31, 2013 Xueersi Education HNTE | Dec. 31, 2011 Xueersi Education High-tech company | Dec. 31, 2008 Xueersi Education High-tech company | Feb. 28, 2013 Hong Kong USD ($) | Feb. 29, 2012 Hong Kong USD ($) | Feb. 28, 2011 Hong Kong USD ($) | Feb. 28, 2013 PRC HNTE | Dec. 31, 2013 PRC Xueersi Education | Dec. 31, 2012 PRC Xueersi Education | Feb. 28, 2013 Xueersi Hong Kong Hong Kong | Dec. 31, 2010 TAL Beijing Newly established software enterprise | Dec. 31, 2013 TAL Beijing Newly established software enterprise | Dec. 31, 2012 Yidu Huida Newly established software enterprise | Dec. 31, 2015 Yidu Huida Newly established software enterprise | Feb. 28, 2013 Yidu Hong Kong Hong Kong
Income taxes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tax rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  | 16.50% |  |  |  |  | 16.50%
Income tax rate (as a percent) | 25.00% | 25.00% | 25.00% | 25.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Provision for profits tax | $ 4,101,092 |  | $ 4,156,450 | $ 2,628,090 |  |  |  | $ 0 | $ 0 | $ 0 |  |  |  |  |  |  |  |  |
Assessable income | 37,541,158 |  | 28,470,103 | 27,003,635 |  |  |  | 0 | 0 | 0 |  |  |  |  |  |  |  |  |
Preferential tax rate (as a percent) |  |  |  |  | 15.00% | 7.50% |  |  |  |  | 15.00% | 15.00% | 15.00% |  |  | 12.50% |  | 12.50% |
Period for exemption from EIT |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |  | 2 years |  | 2 years |  |
Current |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PRC income tax expenses | 4,708,274 |  | 4,452,076 | 3,232,563 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PRC income tax expenses | (607,182) |  | (295,626) | (604,473) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total | 4,101,092 |  | 4,156,450 | 2,628,090 |  |  |  | 0 | 0 | 0 |  |  |  |  |  |  |  |  |
Current deferred tax assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued payroll | 2,229,548 |  | 1,730,992 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized loss on available-for-sale securities | 100,934 |  | 108,167 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Less: valuation allowance | (70,036) |  | (109,401) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current deferred tax assets, net | 2,260,446 |  | 1,729,758 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-current deferred tax assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property and equipment | 262,039 |  | 197,248 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets | 286,756 |  | 317,169 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tax losses carry-forward deferred tax assets | 504,853 |  | 727,105 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Less: valuation allowance | (515,184) |  | (751,300) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-current deferred tax assets, net | 538,464 |  | 490,222 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-current deferred tax liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets | 36,845 |  | 45,881 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued ADR income | 62,100 |  | 110,613 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-current deferred tax liabilities | 98,945 |  | 156,494 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional disclosures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tax loss carry-forward | 2,019,412 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Valuation allowance | 585,220 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statute of limitations period for underpayment of income taxes due to computational errors | 3 years | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Late payment surcharge for underpayment of income taxes due to computational errors | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statute of limitations period under special circumstances | 5 years | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statute of limitations period for transfer pricing related adjustment | 10 years | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum period to make delinquent tax payment to taxpayer or withholding agent, if underpayment of taxes is resulted from the tax authority's act or error | 3 years | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold amount of an underpayment of tax liability for specifically listing it under special circumstance for statute of limitation |  | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=6889476&loc=d3e330036-122817 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 47 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 1(i) -Article 4 + Details
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- Definition The sum of domestic, foreign and state and local operating loss carryforwards, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 48 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The amount of the valuation allowance recorded as of the balance sheet date pertaining to the specified deferred tax asset for which an assessment was made that it is more likely than not that all or a portion of such deferred tax asset will not be realized through related deductions on future tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 43 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Valuation Allowance -URI http://asc.fasb.org/extlink&oid=6528051 + Details
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