Based on the educational needs of students with hearing impairment, it is essential to evaluate their capabilities to design and implement the curriculum. In this regard, (Dalzell, Nelson, Haigh, Williams, & Montis, 2007). Stressed that the needs of hearing impaired students are in connection with their parent's needs. Therefore, providing services for their needs; their parents’ needs should also be taken into consideration. According to this issue the importance of need assessment for children with hearing impairment can include: determination of various priorities for the needs of these students, verification of variety in both social and educational interventions available to them, the necessity of finding balance between the strategies for effective planning and fulfilling the needs, facilitation of required financial support, and allocation of necessary financial resources that are among the choices available to them. In this regard, notifying the need assessment in the domain of education is counted as of the most important components of the planning process and planning for these students. Therefore, wherever the issue of codifying plans and adopting a set of educational policies are proposed, the need assessments are frequently mentioned. Despite the importance of educational need assessment in teaching students with hearing impairment, few studies in this area, have been carried out by Iranian Ministry of Exceptional Education. According to these evidence the hearing impaired students comprise the largest group of students who are currently attending Iranian inclusive schools. (Report of Exceptional Diseases Organization 1391), and there are many problems with their both adaptation and education in inclusive schools. The present study aiming at need assessment of children with hearing impairment, in inclusive schools in the city of Tehran, is seeking to answer the following questions