Nine-year compulsory education and 12 compulsory education go hand in hand. Nine-year compulsory education is widely used.

Twelve-year compulsory education

Twelve-year compulsory education refers to bringing high school education into the scope of compulsory education and implementing twelve-year compulsory education.

Free high school education

China's special economic zones, ethnic minority areas, Zhejiang, Guangdong and Hebei have tried free high school education and achieved good response.

Popularization situation

However, it is mainly concentrated in ethnic areas, coastal areas and other developed areas, and has not been widely popularized.