Since the release of Equality of Educational Opportunity, researchers have emphasized the importance of applying the results of research to policies for school improvement. Policies tell educators to do something, but not how to enact specific laws. This study analyzes data from 347 schools in 21 districts to identify variables that support the enactment of policies for parental engagement. We address research questions on how school and district practices affect the quality of school-based partnership programs. Our results indicate that a policy on parental involvement may be a good first step, but other factors—principals’ support for family and community engagement and active facilitation of research-based structures and processes by dis...