%0 Journal Article %T SOCIAL ACTIVITY DEVELOPMENT OF HIGH SCHOOL STUDENTS AS A PSYCHOLOGICAL AND PEDAGOGICAL PROBLEM %A , .. %A , .. %A , .. %K HIGH SCHOOL STUDENTS, SOCIAL ACTIVITY, SECONDARY SCHOOL %J Scientific notes of P. F. Lesgaft University %D 2023 %N %P 3 %I National State University of Physical Education, Sports and Health named after P.F. Lesgaft