The concept of social integration of handicapped children has been in the focus of attention of scientists and social workers for more than a century. In the past every kind of retardation in development pushed such people out from the mainstream. Once having pushed them out, the society now tries to reintegrate them, clearly realizing the necessity of that process. It is not accidentally that the process is called «integration», which means «unification of previously separate parts and elements of a system into a whole on the basis of cooperation (interaction) and inter supplement».