Suicidal behavior in adolescents often manifests as vague suicidal ideas and thoughts, escalating to concrete suicide attempts. These thoughts frequently arise in connection with problems in the family, with friends, or at school. They are often accompanied by feelings of despair, confusion, helplessness, and hopelessness. The guide provides information on how suicidal thoughts and crises present themselves in childhood and adolescence, which accompanying mental disorders commonly occur, and what causes contribute to the emergence of suicidal experiences and behaviors. Parents, teachers, and educators receive specific advice on how to deal with suicidal behavior in the family and at school. Additionally, it outlines preventive measures as well as options for crisis intervention and treatment for suicidality in children and adolescents.