Teaching system is an important aspect of modern education system, which mainly includes: ① preschool education for children who have not yet reached school age; ② School education at all levels, including primary, secondary and higher education; (3) Providing special education for children with physical or psychological defects; (4) Adult education for all kinds of on-the-job personnel or other personnel beyond the normal school age range, such as continuing education, regression education, amateur education, etc. ; ⑤ Educational administrative institutions at all levels.
Education system is one of the important research contents of social pedagogy. After World War II, the research focus of educational sociology shifted from studying the formation, development and perfection of the educational system itself to studying the position and role of the educational system in the larger social structure and the relationship between the educational system and other systems. In the study of the function of the education system, the western sociology of education has developed from focusing only on the socialization function to the study of other social functions. Among them, the school of harmony believes that the main functions of the education system are: ① spreading culture; (2) promoting political integration; ③ Promoting economic development; ④ Promoting personal development; ⑤ Screening talents; 6. Promote innovation. There are also some potential functions, such as helping to solve some social problems and forming a youth subculture. Conflict school emphasizes that the education system provides means and capital for social groups to flow and gain or maintain power, wealth and prestige, and holds that the education system in capitalist countries has the function of maintaining and aggravating social inequality.
The education system is the product of social development to a certain stage. As a system, education system is the product of the occurrence and development of machine production and the progress of science and technology in modern capitalist countries. The education system has an increasing influence on other social systems and has become an indispensable part of the social structure. In the era of knowledge economy, all countries attach great importance to the education system. At present, China has also realized the great significance of the education system, but the state's emphasis on education needs to be improved. Increasing investment in education and improving the education system are still the premise and focus of education reform.