The research monograph deals with the education of students with special educational needs (SEN) in the inclusive class. Its aim is to focus more on topics of inclusive education, teaching and inclusive didactics in the inclusive class, identifying the needs of students with SEN, the concept of early intervention in a heterogeneous class, and the selection of methods and strategies in teaching. The aim of the research is to analyze the factors influencing inclusive education of students with SEN in mainstream schools. This includes the specification of the supportive measures used in the inclusive school, the approaches chosen by primary school teachers in inclusive education, the level of teacher cooperation with counseling facilities and teacher assistant and the application of teamwork among teachers. The publication is divided into seven chapters and other subchapters.