The article deals with the analysis of methods, models, criteria, and indicators of evaluating the efficacy of mentoring activities, and introduces the criterion-evaluation apparatus of efficacy of interaction of a senior employee-mentor and a senior employee-mentee on the crucial issues of management activities within education.

The development of professional competence of school managers in terms of the implementation of state tasks is the key-point and condition for achieving national and strategic development goals in the field of education, i. e. the entry of the Russian Federation into the top 10 countries in the world in terms of the quality of general education.