The unmet needs of our nation's children and families have continued to increase, especially for impoverished and minority populations. In response, there has been growing support for a service integration approach that emphasizes interagency and interdisciplinary coordination and collaboration, particularly with respect to the role of schools. The American Psychological Association (APA) Task Force on Comprehensive and Coordinated Psychological Services for Children Ages 0-10 endorsed the service integration model and called for professional psychology to take a leadership role in its development, refinement, implementation, and evaluation. The APA adopted these recommendations as policy.The extent of unmet needs of our nation's children and families is cause for alarm. Current reviews reveal a high incidence of problems associated with poverty, hunger, nonuse of established preventive medical care, crime, violence, fear, diseases