School education is education in schools. Features: There are fixed places, specialized teachers and a certain number of students, and there are certain training objectives, management systems and prescribed teaching contents. School came into being after the social productive forces developed to a certain extent, the social division of labor and surplus products appeared, and the characters matured. It is generally believed that it originated in the early days of slave society and gradually evolved from a non-specialized educational institution to a major place for training people. With the progress and development of society, school education is gradually improving. Schools can be divided into primary schools, middle schools and institutions of higher learning according to their levels, and ordinary schools, vocational schools and various specialized schools according to their nature.