Highlights: This report discusses new findings from a well-conducted randomized controlled trial (RCT) of Tennessee’s voluntary prekindergarten program for low-income children. This study is the first large RCT of a state-funded pre-k program and one of only two such studies ever conducted of a public preschool program in the United States. As such, it provides … Continue reading Large randomized trial finds state pre-k program has adverse effects on academic achievement. Reform is needed to increase effectiveness.