Objective of the study was to assess the effectiveness of the social partnership between the higher education institution and the regional center of additional education in solving problems related to upbringing, personality development, prevention of antisocial behavior among troubled teenagers by means of physical education and, specifically, sport climbing practices. Methods and structure of the study. Throughout the project on prevention of negative social manifestations among young people, the main partnership mechanisms were chosen using the physical education means: alignment of partners’ positions; determination of the type of joint cooperation and type of sports activity, during which the partners worked in close cooperation. The project lasted one and a half years (September 2018 – December 2019). The venue was the sports facilities of the "Kalininsky" Teenage and Youth Center (climbing wall of the "Spasatel" TYC, sports halls of St. Petersburg equipped with climbing walls, as well as the solid rocks of the Leningrad Region). A total of 100 adolescents participated in the project. The project outcome was assessed by four quantitative criteria of effectiveness of social partnership: analysis of the year-end list of troubled teenagers engaged in climbing; evaluation of the total free time of the teenagers participating in the project by involving them in the sports club; achievements of the trainees, including groups of troubled teenagers, and "climbing" club groups in the mass sports and physical education events held in the Kalininsky district and St. Petersburg; number of troubled teenagers involved in the club group and participating in the Russian Physical Education and Sports "Ready for Labor and Defense" (GTO) Complex events. Results and conclusions. The results of the joint project run based on the social partnership between the universitywide department of physical education and sports of St. Petersburg State University and the State Budgetary Institution of St. Petersburg "Teenage and Youth Center "Kalininsky", indicated its high efficiency in the solution of the problems of upbringing, personality development, prevention of antisocial behavior among troubled teenagers by means of physical education and, specifically, sport climbing practices.