<p/><br></br><p><b> About the Book </b></p></br></br>The RAND Corporation's six-year study of the National Summer Learning Project culminates in this final report about district implementation of summer learning programs and presents the best available guidance about how to establish and sustain them.<p/><br></br><p><b> Book Synopsis </b></p></br></br>To understand whether and how district-led voluntary summer learning programs can improve outcomes for low-income students, The Wallace Foundation initiated the National Summer Learning Project in 2011 in five urban districts. The RAND Corporation's six-year study of the National Summer Learning Project culminates in this final report about districts' implementation of their summer learning programs.