September 2008 1. According to the information of Gansu Education official website, in 2008, the Gansu provincial government issued the Implementation Plan of Compulsory Education in Gansu Province, which officially determined the implementation time of 12 compulsory education in Gansu Province. Starting from September 2008 1 semester, the first-year primary school students in Gansu province implemented six-year compulsory education in primary school and six-year compulsory education in junior high school, which realized the consistency of compulsory education in Gansu province in 12 years. 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.