Destructive behavior is recurrent intentional, unprovoked, rude behavior, used by one child or a group of children in order to cause pain or torture to another child. It is common among school children and is a problem in today’s school. According to this research and some others, we think that school must seek to protect children from destructive behavior of their contemporaries, which may later grow into criminal nature and violence at home, and it may cause long term harm for its victims. The aim of this work is to reveal peculiarities of expression of children destructive behavior at basic school and to foresee the guidelines of the solution to this kind of problem. Schoolchildren of fifth- eighth grades and their teachers from Utena basic schools took part in this research (n=249). The conclusions are: schoolchildren who took part in this research agree on the frequency of mockery at schools. The most common forms of destructive behavior at schools is nicknaming, slandering, pushing one another and fighting. Threatening and ignoring is more common at school, which is situated in the area of private houses. Fighting, pushing one another and damaging things – at school, that is attended by children from poor families. The attitude of the eighth formers towards the frequency of destructive behavior at school is more pessimistic than the attitude of the fifth formers. The eighth formers more often experience destructive behavior from their classmates. The fifth formers... [to full text]