Introduction: The selectivity of school education is mainly manifested in the selectivity of educational training objectives, the selectivity of teaching contents and the selectivity of educational methods and means. It can be seen that school education is not blind and random, and the environment, content and methods of education are all selected, so we can eliminate some bad factors and adhere to positive education, so as to better promote the healthy development of people's body and mind.

School education is an educational feature implemented in schools: 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. In a sense, school education determines the level and nature of individual socialization and is an important foundation of individual socialization. The era of knowledge economy requires the society to respect teachers and pay more attention to education, and school education is paid more and more attention and plays a decisive role in society.

The unique role of school education in influencing people's development (1) School education formulates social norms for the direction of personal development according to the basic requirements of society for individuals; (2) School education has the special function of promoting individual development; (3) The influence of school education, especially basic education, on individual development is not only of timely value, but also of delaying effect; (4) School education has the function of developing individual special talents and personality.

Generally speaking, school education, including primary education, secondary education and higher education, is a concept opposite to social education, refers to various educational activities accepted by the educated in various schools, and is an important part of the education system. The most important function of school education is to enable a student to learn a lot of knowledge and skills and to survive independently in the future society. It is reflected in many aspects, for example, school education has made social norms for individual development, accelerated the function of individual development, and has a certain impact on individual development, which is also reflected in our daily life.