The course is devoted to the interpretation of the concepts of inclusion, inclusive education, development of inclusive school, inclusion index, curriculum, inclusive teaching, inclusive class, taking into account approaches in the Czech Republic and abroad. Another issue is the current education policy in the Czech Republic with an explanation of the Anti-Discrimination Act, analysis of the Action Plan for Inclusive Education for 2019-2020 and the related legislative framework for joint education. The amendment to the Education Act explains the concept of a pupil with special educational needs and support measures including an individual educational plan and the position of an assistant teacher. The issue of basic education in an inclusive school is dealt with separately, focusing on the analysis of the Framework Educational Program for Basic Education (FEP BE) from the perspective of ongoing legislative changes and analysis of pedagogical-psychological counseling services, which include school counseling facilities school special educator and school psychologist. Diagnostics plays an important role in inclusive didactics. It discusses the effectiveness of learning in a heterogeneous classroom, learning strategies, good teaching criteria with reference to support programs - support for cooperative learning (group activities) and support for differentiated learning activities (individualized learning). It is characterized by the approach of teachers to pupils with special educational needs (SEN) using the principle of differentiation and individualization in the educational process in the environment of inclusion.