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. This approach includes both the evaluation of the result and the process of interaction between the mentor and the mentee, allowing to evaluate the main result of the work of a mentoring couple: the development of professional managerial competencies of the mentee for the successful performance of standard work functions and actions in accordance with professional difficulties, or additional professional competencies for non-standard management decisions in accordance with professional requests.

Keywords: managers, mentoring, mentor, mentee, criteria, indicators.