Free: 5- 1 1 year-old primary school,1-16-year-old middle school, 5- 16-year-old is the compulsory education stage stipulated by law. School-age children must go to school, and the state is responsible for the necessary tuition fees, books and necessary supplies.

No, it's free: 17- 18 years old. If you want to study A-level and IB, it's inevitable.

1-4-year-old kindergarten and 4-5-year-old preschool advanced edition are not free. First grade is free from the age of five.