Strengthening Families Program: For Parents and Youth 10-14 – This adaptation of the Strengthening Families Program is designed to reduce substance use and behavior problems among youth ages 10–14. The program is rated Effective. Intervention students showed a statistically significant improvement in youth intervention-targeted behaviors, and delays in substance use initiation and growth rates, compared with control students. Intervention parents showed statistically significant improvements in parenting competencies, compared with control parents.