Problem and goal. The article is devoted to studying the possibilities of working with the Moscow Electronic School project. The goal was to develop programs to improve the training of teachers in Moscow schools. This goal required to design a model for improving the training of teachers working under the International Baccalaureate programs in the field of education informatization, to develop the content of teacher training, to organize and conduct such training, based on an active study of the possibilities of the Moscow Electronic School project for teachers of International Baccalaureate schools, as well as evaluate the effectiveness of the proposed training program. Methodology. In the course of the study, a set of methods was used: analysis of normative documents related to the professional training of teachers, study of literature, including those presented by the International Baccalaureate Organization (IBO), search and analysis of the resources of the Moscow Electronic School project library, study of the experience of using services in the system education of the city of Moscow, a pedagogical experiment. Results. The article presents a fragment of a pedagogical experiment to improve the training of teachers working under the International Baccalaureate programs, aimed at developing skills in working with the Moscow Electronic School project. The study confirmed the relevance of the problem, which consists in the need to improve the training of teachers in Moscow schools working under the International Baccalaureate programs in the field of education informatization, including in the field of work with the resources of the Moscow Electronic School project. The results of the study allowed to find approaches to solving the identified problem. Conclusion. It is proposed to supplement the content of the discipline Modern Teaching Technologies in the framework of the masters training of teachers working under the International Baccalaureate programs, with topics related to studying the resources of the Moscow Electronic School project in the activities of a teacher working under the International Baccalaureate programs, as well as a system of practical work that takes into account the specifics of the International Baccalaureate school.
