The destructive activity of adolescents is considered as a conscious manifestation of destructive activities that contribute to illegal behavior and behavioral deviations that harm social, mental and physical health. It is proved that the destructive activity of adolescents can lead to dangerous consequences: involvement in destructive communities, illegal behavior, tragic events, child and adolescent suicides. The role of the class teacher in the early identification of the causes and conditions that contribute to the destructive activity of students, including in the information space, is actualized. Positive interventions, expansion of the space of constructive interaction in educational and extracurricular activities are proposed. Special attention is paid in the article to the optimization of digital communications as tools of socio-pedagogical prevention of destructive activity of students.