The article is devoted to the problem of development of an inclusive process in contemporary education. The authors contend that one of the basic components of inclusive education and the main factor for its successful implementation is a psychological and educational support of an inclusive process. The aim of the article is to analyze the methodological approaches to psycho-pedagogical support of education in the development of an inclusive process, a review of the main theoretical and methodological terms and concepts. Attempts are being made accompany the process of methodological comprehension of inclusion in education from the standpoint of cultural-historical theory. The provisions in polysubject approach to interaction of subjects inclusive educational environment. The authors raise questions about the quality of the process of inclusion in general education, arguing that the development of methodology support of inclusion in education is a separate scientific task and is essential for the development of technological solutions for various aspects of the implementation of an inclusive process in contemporary education.