From 6 years old to 15 years old. 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. Under normal circumstances, compulsory education begins at the age of 6 and ends at the age of 15, but there are some special circumstances. For example, children go to school at the age of 7, and compulsory education begins at the age of 7 and ends at the age of 15.