School safety is the process of creating an appropriate “school climate”, which is physically, mentally, emotionally and socially related to a safe space for students and their parents, teachers and the entire school staff. It is connected with the educational and upbringing process, both in typical situations and in the event of potential threats. In order to enable the creation of an appropriate “school climate”, it is important to carry out preventive actions in the field of dysfunctional behavior of school youth. The aim of this paper was to present the results of the research conducted in 2020 in Rzeszów on a population of 1091 primary and secondary school students. The results showed that school students were aware that to reduce the scale of dysfunctional phenomena at school, preventive measures should be intensified. Moreover, the youth under the survey had a positive attitude to preventive actions implemented in schools, which translates into an increase in the sense of security at school, the sense of acceptance and appreciation of the student, as well as an increase in awareness of the existence of various social threats.