A planned, sequential PK-12 comprehensive school health education addresses the physical, mental, emotional and social dimensions of health and enables children and youth to become healthy and productive citizens and establish and practice health-enhancing behaviors over a lifetime. Curriculum is designed to motivate children and youth to maintain and improve their health, prevent disease, reduce health-related risk behaviors and develop and demonstrate health-related knowledge, attitudes, skills and practices. Certified, highly qualified and effective teachers provide comprehensive school health education, which is one component of a coordinated approach to school health.