In 2010, the U.S. Department of Health and Human Services (HHS), under a contract with Mathematica Policy Research, initiated the Pregnancy Prevention Research Evidence Review (PPRER) to identify rigorously evaluated and effective teenage pregnancy prevention program models.

Highlights of some of our work released in 2014,which can offer valuable policy guidance for decision makers in the face of complexity.

Mathematica Policy Research conducted a multiyear study of housing options available to youth as they transition out of foster care, the various funding sources available to meet their housing needs, and notable program models that are being implemented in communities across the country.

Congress provided funding to establish the Regional Partnership Grant (RPG) program, an initiative to improve the well-being, permanency, and safety outcomes of children who are in or at risk of out-of-home placement as a result of a parent's or caregiver's substance use disorder.

Evidence of public and private interest in programs designed to strengthen the institution of marriage and reduce the number of children growing up without both their parents is growing. Robin Dion addresses the question of whether such programs can be effective, especially among disadvantaged...