Some of the common characteristics associated with juveniles who become involved in gang activities are identified. Programs that attempt to alleviate the situations that lead to gang involvement and programs that deal with juvenile delinquents are discussed. The history of the juvenile justice system is also traced. Characteristics that can predispose a youth to gang membership include social and family background, personal problems independent of background, and school factors. Some programs that attempt to deal with these characteristics are described. Among these is the Parents and Children Together (PACT) program, which emphasizes early intervention and increased parental involvement. Once adolescents have become involved in gangs, different strategies are needed. Some approaches deal with the school environment, some focus on the community, and others work in other environments. Research on these programs does not always give enough information for those interested in replication. Most research does indicate the need for building juvenile self-esteem and communication skills. (Contains 14 references.) (SLD)