The article contributes to the development of socio-psychological research of additional education: it is viewed as a process and result of the development of its subjects, requiring a systematic approach for its understanding. The purpose of the study is the analysis of social and psychological issues of consideration of supplementary education subjects’ development. The sphere of supplementary education of educators is a laboratory of structural and professional “innovations” in education. In educators’ supplementary education new forms, technologies, and trends in training and education can be and are being tested, as well as their varieties and combinations of traditional and innovative technologies, approaches, and forms of education. In supplementary professional education student teachers combine the roles of a student and a tutor, are provided with the possibility to consider capacities and limitations of various approaches, to broaden their idea of the pedagogical and other relations, to strengthen their striving for personal development, the ability to maintain and stimulate this aspiration both in their own lives and the lives and activities of their students.

Gasanova Renata Raufovna, Candidate of Sciences (Psychology), Senior Lecturer, Department of History and Philosophy of Education, Deputy Dean Faculty of Pedagogical Education, Lomonosov Moscow State University, 1, 52, Leninskiye Gory, Moscow, 119991, GSP-1, Russian Federation, e-mail: renata_g@bk.ru

Valeeva Galina Valerievna, Candidate of Sciences (Psychology), Associate Professor, Department of Life Safety and Biomedical, Disciplines, Higher School of Physical, Culture and Sports, South Ural State Humanitarian-Pedagogical University, 69, Lenin ave, Chelyabinsk, 454080, Russian Federation, e-mail: valeeva-chel@mail.ru

Kuznetsova Natalya Valentinovna, Research Scientist, Department of Recreational Geography and Tourism, Faculty of Geography, Lomonosov Moscow State University, 1, Leninskiye Gory, Moscow, 119991, Russian Federation, Postgraduate, Department of Geography and Tourism, Institute of Natural Science and Sports Technologies, Moscow City Pedagogical University, 1, 1, Chechulin st., Moscow, 105568, Russian Federation, e-mail: nataliakuzn2007@yandex.ru

Arpentieva Mariam Ravilievna, Doctor of Sciences (Psychology), Associate Professor, Corresponding Member, Russian Academy of Natural History, 21/1, Sadovaya-Spasskaya st., Moscow, 107078, Russian Federation, Academician, International Academy of Education, 2, 28, Bolshaya Filyovskaya st., Moscow, 121433, Russian Federation, Visiting Fellow of the Center for Psychological, Pedagogical, Medical and Social Assistance “Assistance”, 44, Dostoevskiy st., Kaluga, 248000, Russian Federation, e-mail: mariam_rav@mail.ru

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