1. Primary school: Primary school is a school where people receive primary formal education and is an important part of basic education.

2, junior high school: junior high school is the primary stage of middle school, junior high school is the scope of nine-year compulsory education, which belongs to compulsory education.

3. High school: High school is short for high school. Middle schools in China are divided into junior high schools and senior high schools, among which senior high schools belong to senior secondary education.