In school systems with a zero-tolerance policy, principals must recommend that students who carry weapons on campus be expelled. Some critics say zero-tolerance policies do not allow enough room for exceptions. Describes the Gun-Free Schools Act. (MLF)

Weapons violence is a major public health problem that especially impacts minority youth. Interventions designed to reduce weapon use by youth are categorized as educational/behavioral change, legal, and technological/environmental. Few educational programs currently exist, but those that do largely concern firearm safety courses, public…