You can't. Before the first semester of primary school, you can go to primary school as long as you are 6 years old. All children who have reached the age of six should be sent to school by their parents or other legal guardians to receive and complete compulsory education. Children in areas where conditions are not available can be postponed to seven years of age. School-age children and adolescents who need to postpone or drop out of school due to their physical condition shall apply to their parents or other legal guardians, and be approved by the education administrative department of the local township people's government or the county-level people's government.