J.C. Nalle is a Community School located in the Marshall Heights neighborhood of Ward 7 in Washington, D.C. The community in which J.C. Nalle is located, historically one of the more economically disadvantaged areas of the city, has experienced a number of changes in recent years. This report of evaluation findings begins with an introduction to the J.C. Nalle Community School, including information on its background and history, student and family demographics, the circumstances leading up to the formation of the J.C. Nalle-Freddie Mac Foundation-National Center for Children and Families partnership, and the services offered through the partnership. Next, it discusses the results of the outcomes evaluation, describing the methods employed, patterns of achievement findings for J.C. Nalle students versus the matched comparison group, and implications of these findings. Following this discussion, the report focuses on the results of the implementation study, including an overview of the methods employed, stakeholder perspectives on the improvement of student outcomes, and the various challenges faced by the school. The report concludes with a summary of all findings and their implications for sustained and expanded improvements. In the conclusion are a summary of findings and next steps. Appended to the report are: (1) Figures and Tables; (2) NCCF Services; and (3) Technical Report.