Macciomei and Ruben provide the first compendium entirely devoted to the exigency and pathology of serious teen aggression, including homicidal and combative problems. It responds to the national wave of school shootings and teen crime dangerously threatening classrooms. Failures of traditional disciplinary practice cause perennial frustrations for principals, teachers, and school districts in general.This professional guide steps up to the challenge of this chaos and provides empirically tested methods for classroom application including advancing steps to integrate school and community, alternative assessments, cultural diversity programming, and peer-mediation innovations. Easy-to-use methods based in research discussion prove that public school systems can win the war against urban oppression.