There are standards for the balanced development of teachers in compulsory education, with the ratio of 10: 1.5 in primary schools and 7: 1 in junior high schools. Therefore, the ratio of students to teachers is the basis of compulsory education in Hainan Province.

Compulsory education is a national education that school-age children and adolescents must accept according to law and is guaranteed by the state, society and family. Its essence is a system of compulsory education for school-age children and adolescents for a certain period of time according to law.