The article analyzes the results of a study aimed at studying overcoming as a leading factor that ensures self-development of the individual and actualizes the need to use pedagogical tools in modern educational practice that contribute to the formation in children and young people of the perception of overcoming difficulties as an opportunity for personal growth. The relevance of studying the problem of self-development and its procedural component is due to various reasons: the new socio-cultural reality, which predetermined the rapid pace of self-development as a condition for the competitiveness of the individual; a high level of motivation of the younger generation to achieve success as a result of self-development; the unpreparedness of modern children and youth to overcome obstacles on the way to achieving the goal; the presence of psychological barriers blocking readiness for self-development. The conclusions are based both on the results of a theoretical analysis of modern scientific literature and on the results of our surveys. Empirical research methods were survey methods presented by the author's tools. The study involved 2474 students aged 11-16 living in the Moscow, Yaroslavl, Kostroma and Kaluga regions. The study included the design and testing of the technology of pedagogical support for self-development of adolescents in additional education in a situation of overcoming difficulties, the implementation of which makes it possible to form adolescents' readiness for self-development, helps to build up individual experience of successful overcoming through the purposeful formation of adaptive coping strategies. The conclusion is made about the effectiveness of the implementation of technology in the conditions of additional education, as well as the possibility of dissemination of the received pedagogical experience in educational organizations of various types and types.