The third principle calls for preventive and supportive measures, including security measures to make schools safer environments, inclusive teaching methods to ensure support for pupils of all abilities, the presence of specialized counsellors among school staff, and the availability of mediators and psychologists for pupils, their parents and teachers. This principle also calls for a specialized team within each school district to provide advice to schools facing particular difficulties. It also underlines the importance of collaborating with NGOs that have specific knowledge and experience in this field.