The technology stages for the implementation of health-preserving activities by the manager of the general educational institution (GEI) were substantiated, namely: orientational (the development of the orientation of the manager of the GEI for the implementation of health-preserving activities, which is facilitated by familiarization of managers with the most important problems and experience of health development through education and comprehensive promotion of teacher training, considering their  personal needs and interests); cognitive (strengthening of the epistemological potential of the manager by systematization and generalization of professionally significant knowledge and ideas about the basics of human health and management of its preservation in the process of education); activity-productive (practical actions to plan, ensure, motivate and control the health-preserving of schoolchildren, which requires improvement of the set of skills associated with the implementation of management functions, and involves the use of active-discussion forms and methods of education and self-educational work).