Melissa Caudle, principal of a New Orleans high school for behaviorally disordered students, has written a book on crisis-alert systems and confiscated loads of weapons. Her career has been devoted to helping neglected, abused, delinquent, and gang-prone adolescents. The school's program, which stresses personal accountability, conflict…

Schools must increasingly deal with children who brandish weapons and exhibit antisocial or violent behavior. Psychologists agree that young children are very susceptible to violence and that stored violent images can warp their interpretation of reality. To combat youth violence, many schools have adopted antiviolence curricula and conflict…