Middle and high school levels are among the educational stages that face the greatest challenges when implementing inclusive education programs, due to the nature of these stages and the greater academic and social independence expected from students. Studies indicate that large class sizes represent one of the most significant barriers, as they make it difficult for teachers to provide the individualized support required by students with special educational needs in classrooms with a high number of learners.
Challenges also increase because of the involvement of multiple teachers and the diversity of subject areas. Students move between several teachers throughout the school day, which may result in inconsistencies in the implementation of support strategies and educational accommodations. In addition, the increasing academic complexity of the curriculum at these stages may place students with special educational needs at greater risk of experiencing difficulties in academic achievement and classroom participation.
Educational literature further suggests that insufficient specialized training for teachers is a major challenge. Some general education teachers may lack adequate knowledge of the characteristics of students with disabilities and the instructional strategies needed to support them effectively within inclusive classrooms. Furthermore, limited access to support services, such as special education specialists, speech and language therapists, and school counselors, may affect the quality of support provided to students.
Another important challenge relates to the social aspects of adolescence. During this stage, students tend to become more sensitive to individual differences, and some students with disabilities may experience difficulties in forming social relationships or may be exposed to social isolation and bullying, which can negatively affect their sense of belonging and participation within the school environment.
The need to strengthen collaboration between schools and families is also highlighted. Research indicates that continuous communication between both parties contributes to monitoring student progress and providing appropriate support. Moreover, adopting school leadership that actively supports inclusion and fostering a positive school climate based on acceptance of diversity and individual differences are essential factors for the success of inclusive education programs at the middle and secondary school levels.
Despite these challenges, studies emphasize that the implementation of flexible educational practices, the provision of ongoing professional support for teachers, and the development of support services can significantly improve the success of inclusion and promote meaningful participation for all students within the school environment.

