The article offers an analysis of approaches and successful practices of teacher training for cadet classes. Various groups of methods were used in the course of the study, including the method of comparative analysis of normative and legal documents; analysis, systematization and generalization of the data obtained; complex analysis, classification and structuring of information and statistical data; modeling method; generalization of research results. As a result, system solutions for the training of teachers of cadet classes have been developed and theoretically substantiated. It should be noted that one of the conceptual ideas of teacher training for cadet classes is the idea of continuity and individualization of professional development of teachers in the field of education and socialization of students. Continuous professional development of teachers, including teachers of cadet classes, is carried out through the integration of formal and non-formal education, as well as through self-education and self-education. Teachers of cadet classes should have the competencies necessary for the full implementation of professional functions in the organization of education and socialization of students, since the teacher of the cadet class works not only with students, but also with cadet families, focusing on issues of social protection, education, formation of healthy public opinion and mood. The tasks of the educator of the training course include studying the mood, requests and needs of child-parent relations in cadet families and systematically informing the management and specialists of various services about the urgent tasks of working with cadet parents. The training of teachers of cadet classes is focused on the formation of a number of skills among educators: to analyze the academic performance and involvement of students in the educational process, to build effective communication, to organize activities to prevent negative manifestations and offenses.