According to the website of Grade Three, twelve-year compulsory education refers to bringing high school education into the scope of compulsory education and implementing twelve-year compulsory education. Shenzhen City, Guangdong Province has implemented 12 compulsory education since 20 15.

Twelve-year compulsory education does not require the whole country to implement free twelve-year compulsory education, but only to popularize high school education and improve the level of high school education in China.