In order to better understand a child in early school age it is necessary to know his development features: physical, cognitive, emotional and social. It is important to know potential behavioural difficulties of children in early school age so we can intervene in time. The most important role in developing social competence in children have their parents, peers and school (teachers). Parenting style and teacher’s way of handling class have influence at social competences in children. In this thesis the aim of the research was to question assesments of both teachers and parents about behaviour of children in early education and to research opinions of teachers and parents about importance of social competences in children, their mutual cooperation 30 and their satisfaction about that. The results show that parents and teachers have similar assesments in behaviour of childre; that assesments in behaviour of boys and girls are not significantly different; that both parents and teachers are mostly satisfied with mutual cooperation regarding development of child's social competences. There are few dissatisfied parents who are not able to accomplish desired cooperation or do not have interest in making any. All participians in upbringing and education can benefit from cooperation between school and parents, especially childre