The article deals with the impact of learning disabilities on child socialization. The article discusses cognitive, i.e. thinking, speech, attention, memory, emotional and behavioural disorders that fall within and outside the group of the new classification of developmental disorders (The Procedure for Determining Groups of Schoolchildren with Special Educational Needs and Distributing Their Special Educational Needs into Levels No. V-1265/V-685/A1-3170 of 13 July 2011) as well as their direct impact on the formation of basic social skills (school adaptation, communication, cooperation and behaviour in conflict situations). The aim of the research was to analyze and compare characteristics and differences of school adaptation and socialization of younger school-age students with learning disabilities and those of students of the same age with the normal development. Research procedure and subjects: the research was conducted in seven randomly selected primary schools in Vilnius. The research subjects were 107 primary education teachers and 2 520 students, of which 400 (16 percent) students had various disabilities that had been identified by the Educational Psychological Service or child welfare commission. Research methods: data were collected using quantitative analysis and processed using methods of statistical analysis. [...].