State-funded voluntary prekindergarten programs have grown steadily over the past decade and now enroll more than one million children. While the overall trend has been one of increasing participation in publicly funded preschool education, access in most states is limited to select groups of disadvantaged or otherwise-at-risk 4-year-olds.…

This final of three articles further addresses the trend toward universal pre-kindergarten as a means to integrating care and education and increasing quality, both essential ingredients to successful universalizing of pre-kindergarten. This article focuses on what states are currently doing about early education. In this article, the authors…

In this study of Oklahoma's universal pre-K program, the authors relied on a strict birthday eligibility criterion to compare "young" kindergarten children who just completed pre-K to "old" pre-K children just beginning pre-K. This regression-discontinuity design reduces the threat of selection bias. Their sample consisted of…