“…However, even today, there is no clear-cut theoretical definition of inclusion (Booth & Ainscow, 2002;Florian, 2014;Lesar, 2009;Mitchell, 2015). This article builds upon the broad understanding of inclusion (Haug, 2017), which can be characterized by the premise that inclusion is a matter of general theory of education, not only of special education (Slee & Allan, 2001), thus making diversity a guiding pedagogical credo in education. Therefore, the concept is not tied merely to students with special educational needs (SEN); it applies to all students who face barriers in learning and participation (Lesar, 2009) and to students in general, as it is the education system's responsibility to establish learning conditions for all children and to teach them to live in a diverse society (Black-Hawking, 2010; "The Salamanca Statement and Framework for Action on Special Needs Education," 1994).…”