The article analyzes theoretical and applied pedagogical research on the introduction of tolerance in educational process and the definition of effective pedagogical conditions for education of tolerance of primary school children. A wide range of pedagogical technologies for improving professional competence of teachers in pedagogical practice focused on development of various components of tolerance, as well as aimed at forming multicultural, interethnic tolerance, used a set of methods, introductory lectures, training seminars, exercises. The importance of the problem of education of intercultural tolerance of junior schoolchildren in the educational process of primary school, the study of pedagogical experience, providing information to specialists in the field of primary education on theoretical issues of education of intercultural tolerance of this contingent of children is outlined. Organizational-informational, practical, effective stages in the process of increasing professional competence of teachers in educating intercultural tolerance of junior schoolchildren are determined.