Abstract
The article deals with the role and importance of the subject-developing environment in the socialization of primary school children. The main requirements and the creation of a subject-development environment were announced.The article examines the requirements of the subject-development environment for primary school students, and shows the ways of organization in accordance with the school curriculum. Research work was carried out to determine the importance of the subject-developing environment in the socialization of primary school children, as a result of which it was shown that a properly organized subject-developing environment has a great influence on the comprehensive development of the child, the child’s interaction between adults and peers. It was also considered that when organizing the environment, it is necessary to pay attention to the individual abilities and age of each student.