The United States teen birth rate remains the highest of any industrialized nation. Although nationally the rate is declining, the problem remains complex and significant. Cooperative Extension staff in three San Francisco, California Bay Area counties partnered with six community-based teen pregnancy program site practitioners to adopt a new best practice to improve their programs. This article reports on the process, the implementation, and outcomes for both pregnant and parenting teen participants and programs. Male involvement, family involvement, and youth development/participation in sports and exercise were the best practices chosen for implementation