Introduction: This scientific study deals with the problem of bilingualism in children with intellectual disabilities. Method: Data collection for children that are part of a national minority was obtained from school documentation and interviews with the children’s parents and educators. In area of neurodevelopmental testing, we used clinical, development scales of writing and reading (neuropsychological battery Luria-Nebraska for children). The sample included 124 children whit intellectual disabilities who are attending primary schools in Belgrade, Serbia. Results: The results shown the there is a significant relationship between balanced bilingualism and reading so as the relationship between dominant bilingualism and writing at the tested sample. Conclusions: The study points out the significance of speech rehabilitation upon the educational treatment of tested children.

Intellectual Disabilities, Bilingualism, Treatment.