Gang affiliation is not something that students leave behind when they come to school. Gang members do not leave their behaviors, attitudes, and conflicts outside the school environment. Gangs, unchecked and unidentified in a school setting, often engage in threat and intimidation; physical and cyber bullying; fighting; recruiting; and criminal…

Because of escalating violence in our nation's schools and neighborhoods, childhood aggression is receiving intense public scrutiny. This article offers a systemic perspective for understanding the pervasive problem of bullying and victimization by clarifying adult attitudes toward childhood aggression; by reviewing the familial, educational, and…