This randomized controlled trial in 55 low-performing schools across Florida implemented two literacy interventions--one using a standalone intervention and one using materials embedded in the core reading program. The interventions were delivered daily for 45 minutes for 27 weeks in 2013/14 and 2014/15 in small groups of K-2 students at risk of…

There is a growing belief that access to academic opportunities during the summer can help close the achievement gap between low-income students and their higher-income peers. But while significant research is emerging on summer programs for school-age children, information on the preschool period is limited. The Expanding Children's Early…