Children s display of unacceptable behavior in the school setting, school violence, academic underachievement, and school failure represent a cluster of problems that touches all aspects of society. Children with learning and behavior problems are much more likely to be un- ployed, exhibit significant emotional and behavior disorders in adulthood, as well as become incarcerated. For example, by adolescence, children with Attention Deficit Hyperactivity D- order are more likely to be retained a grade, drop out of school, have contact with the law, or fair worse along a number of dimensions...