The dissertation is about sexuality of adolescents with mild intellectual disability. Theoretical part focuses on sexuality of adolescents and who are adolescents with mild intellectual disability, and also the topics that involve their sexuality, such as sexual behavior, sexual information, social status, sexual disorders and integration in education. Empirical part describes the research and the results of it. Research instrument is a questionnaire, which was answered by pupils of eighth and ninth grade (aged from 13 to 16) of special adjusted classes on four special schools in Gorenjska region. Questionnaire had questions divided in three parts: information pupils have about sexuality, personal perspective on sexuality and sexual experience. Answers on each one of three parts answer on one of three research questions. We found out, that pupils with mild intellectual disability have correct information about contraception and sexual abuse, but do not know much about human anatomy (about their bodies) and sexual transmitted diseases. For pupils, sexuality in similar procentage has both, social (social influence) and individual (their own beliefs and wishes) meaning. According to answers, adolescents with mild intellectual disability have minor sexual experience than adolescents with average inteligence.