Background: Reports made by National Centre for Suicide science and Prevention of physical illness (NASP) developed, shows that suicide is a major social problem among children and adolescents. Young people spend much of their time in school and in addition to actual teaching school is a social platform. Suicide is for both men and women, the most common cause of death in the 15-24 age group. Suicidal people is ambivalent as to whether they really want to die. The school nurse may be the first person who discovers the students who are depressed. Aim: The aim of this study was to highlight the school nurses ́ experiences of the work with suicide prone adolescents and to work with suicide prevention. Method: Six interviews were conducted with school nurses. Data were analyzed using qualitative manifest content analysis with an inductive approach. Results: From the analysis of the data emerged three categories; To catch up and meet the students, To act and communicate and To provide preventative support to students after suicide occurred. Conclusion: Suicide and suicidal ideation occurs in high school. The study shows that the school nurse can play a more active role than today in terms of prevention and crisis management for these students.