This project will develop, implement and pilot the Strengthening Families Program (SFP) in 3 culturally distinct New Brunswick Communities - Campbellton (rural francophone), Tobique (First Nations) and Saint John (urban). This program is a family based service addressing the illicit drug use of youth involved with the criminal justice system. Parents and youth participate both separately and together in fourteen, 2-hour group sessions that include science-based parenting skills, youth life skills, and family life skills as well as informal family practice time and group leader coaching. The SFP is a fully accredited model program, nationally and internationally recognized as a best practice for its success with youth aged 12-18 years involved in illicit drug use and/or abuse. The program provides accredited training for the coordinators and facilitators (undertaken in Phase I) to ensure accuracy of service expectations and consistency for evaluative measures between program delivery sites.