Thematic justification of the study is conditioned by the fact that in contemporary system of higher professional pedagogical education we can see serious drawbacks in training the future teachers for the methods of organizing leisure time activities and interacting with children. Therefore, this article studies the problem of future social teachers being professionally ready to organize children's leisure activities. Personal-activity and individual-creativity approaches were the leading in our research. As a result we have revealed the essence and content of social teacher's professional activity, components of its professional readiness to organize the leisure activities of children and adolescents. We have shown technological and substantive aspects of professional training of future social workers such competence in the educational process of pedagogical high school. The material given here is of practical significance for specialists in the organization of children's leisure; for a system of higher education in organizing the special courses of future teachers training.