The education system in China can be summarized as "four educations" and "seven levels".
The "four educations" refers to preschool education, primary education, secondary education and higher education.
The "seven levels" refers to kindergarten, primary school, junior high school, senior high school, higher college education, undergraduate education and postgraduate education.
China has implemented a compulsory education system. Children at ages 6-7 should study in a primary school and start their nine-year compulsory education.