The topic of this thesis paper is teachers' perception of cooperation with the parents of students with disabilities. The paper consists of two parts, the first being a theoretical part and the second being the research. The theoretical part of the paper describes inclusive education, disabilities in students, the role of parents, teachers and school faculty as well as the importance of cooperation between all these groups. Furthermore, the difference between integration and inclusion in education is clarified, as well as the term children with special educational needs, or, in other words, children with disabilities. The theoretical part of this paper also mentiones documents determining the possibilities for educating children with disabilities, it describes the role and competences of parents, teachers and the rest of the school faculty, who all play a vital role in the education of children with disabilities. Finally, the importance of cooperation between teachers and parents is discussed, since the aim of this paper is to achieve and improve this cooperation. The second part of the paper describes research conducted in order to explore how teachers percieve working with the parents of children with disabilities. The research was conducted via an anonymous questionnaire about cooperation with the parents of children with disabilities that was filled out by elementary schools in the Republic of Croatia.