Many states have implemented or expanded state-funded prekindergarten programs in the last decade, encouraged by claims about the benefits that can be expected and the importance of early experiences for children's development, especially for economically disadvantaged children. However, there is remarkably little methodologically adequate…

In 2010, the California Early Learning Quality Improvement System (CAEL QIS) Advisory Committee recommended a structure for a voluntary quality rating and improvement system (QRIS) that could apply to the state's 11,000 licensed centers and 36,600 licensed family child care homes (FCCHs). The proposed design consisted of an unweighted block system…

Steven Barnett and Clive Belfield examine the effects of preschool education on social mobility in the United States. They note that under current policy three- and four-year-old children from economically and educationally disadvantaged families have higher preschool attendance rates than other children. But current programs fail to enroll even…