126820。 Official website shows that Chang 'an Town Education Bureau graduated from primary school in 2022 126820. Primary school is a school where people receive primary formal education. It is an important part of basic education and belongs to the category of nine-year compulsory education. With the development of society, kindergartens have opened in front of it. Generally, 3-6 years old are kindergarten-age children, and 6- 12 years old are primary school-age children. At present, the length of primary education is 6 years.