State juvenile justice systems face problems when it comes to juvenile delinq. issues such as re-entry -- when offenders return home from incarceration -- and substance abuse (SA). This report reviewed juvenile re-entry and SA program research and efforts by the Office of Juvenile Justice and Delinq. Prevention (OJJDP) to provide info. on effective programs (i.e., whether a program achieves its intended goal) and cost-beneficial programs (i.e., whether the benefits of programs exceeded their costs). This report addresses: (1) expert opinion on these types of re-entry and SA programs; (2) the extent to which OJJDP assesses its efforts to disseminate info. on effective programs; and (3) OJJDP's plans to accomplish its research and evaluation goals.