Adolescents have complex health needs, that require consistent answers between the health and education sectors. This article describes the existing structures and collaborations in Geneva, between medical practitioners, specialized clinics and school health. School health doesn't make any routine health screening, but strengthens its role for guidance of adolescents. Priority health activities for school health include protection of victims of abuse, integration of youth living with a chronic condition, and mediation for students with repeated absences. In any of these cases, collaboration between health services and school health services is essential. In the case of drug abuse, collaboration with teachers is necessary.