This special edition presents a snapshot from around the world of the current
state of the research devoted to the issues of professional development of teachers.
Teachers’ professional and pedagogical activity is significantly changing today (Teacher
education in a time of change, 2016). In many respects, these changes are explained by
a new understanding of the purpose and result of education, which is formulated in the
documents of educational reform in Russia and in the world, in the context of achieving
a new quality of mass education (Valeeva & Gafurov, 2017). The question that becomes
extremely important is: “How exactly should the teacher's professional and pedagogical
activity change in order to provide a new quality of education meeting the “challenges
of the time?”