Theoretical analysis was used in this article to define the concepts of a teenager's social deviation prevention and the degree of elaboration of the issue in question in the literature. Via modeling, the authors described sections of the psychological and pedagogical foundations of preventive work at school. Mathematical methods were used for processing and presenting the course fragment introduction results. General logical methods were applied for the work text design, conclusion formulation. Future teachers' readiness for preventive work is characterized; the theory key points and methods of prevention of social deviations at schools are presented; the developed content introduction into work with students receiving pedagogical education with two educational profiles (majoring in “Primary Education and Life Safety”) (based on the “pedagogy” course material) is described; methodological recommendations for teaching the course are highlighted.