Diversity can be defined as the qualities of having variety and catering for a wide range of different people. The concept of diversity is often thought of as the integration and inclusion of all ethnic/cultural groups, genders and ages in the community. Children with disabilities are part of the variety of society and disabilities can be considered as a diversity category alongside others. This chapter explores the educational transitions of young children with intellectual disabilities, especially focusing on collaboration between educational settings. The chapter describes an ongoing research project on the educational transitions of young children with intellectual disabilities in Sweden and its preliminary results. It also aims to widen the appraisal of diversity and inclusion in the discourses and practice of professionals who work with children in times of educational transition.