Children should develop literacy skills that progress from learning to read to reading to learn as they move from kindergarten through early elementary. These skills support reading proficiency and build knowledge in all subject areas. Students who struggle with literacy skills as early as kindergarten often continue to read below grade level…

This study examined the dimensionality and measurement invariance of the Kindergarten Student Entrance Profile (KSEP), a brief screening tool designed for use as a universal school readiness assessment. Teachers rated the readiness of 10,031 children during the first month of kindergarten in four ethnically diverse, medium-sized school districts…

School districts in the United States are required to monitor the overrepresentation of students of color in special education, yet recent studies have challenged these trends and suggest students of color may be underrepresented for services guaranteed under federal law. Missing in many of these discussions on disproportionality are the needs of…

This appendix provides additional details on the underlying data, statistical models, and results presented in the main report. We first describe how we created each control and outcome variable and its source (e.g., parent report), followed by an overview of the logistic regression models employed, and then provide the full set of results from…

In recent decades, K-12 school discipline policies and practices have garnered increasing attention among researchers, policymakers, and educators. Disproportionalities in school discipline raise serious questions about educational equity. This study provides a comprehensive review of the extant literature on the contributors to racial, gender,…

The Big Lift™ (Big Lift) is a preschool-third-grade collective impact initiative in San Mateo County, California. The initiative is a partnership of the County of San Mateo, San Mateo County Office of Education, and the Silicon Valley Community Foundation. Launched in 2012, the initiative aims to boost children's reading proficiency by third grade…

California's Kindergarten Readiness Act of 2010 established transitional kindergarten (TK), the first year of a two-year kindergarten program for students affected by the change in the birthdate cutoff for entry into kindergarten from December 2 to September 1. This final report from the program's evaluation focuses on results from a five-year…

Early and accurate identification of special needs, coupled with an appropriate course of treatment and educational plan, is important to academic progress, in particular for economically disadvantaged children with fewer family resources to catch up if they fall behind. A first step in improving mechanisms to promote early identification is to…

California's Kindergarten Readiness Act of 2010 established transitional kindergarten (TK), the first year of a two-year kindergarten program for students affected by the change in the birthdate cutoff for entry into kindergarten from December 2 to September 1. This fifth short report in a series highlighting findings from the Study of…

In 2010, Governor Arnold Schwarzenegger signed the Kindergarten Readiness Act into law, which changed the kindergarten entry age so that children must turn 5 by September instead of December to enroll. The new grade level was put into place to promote school readiness for California's youngest learners. It also established a new grade…

This report uses administrative data provided by the Los Angeles Unified School District (LAUSD) on kindergarten to third-grade students. The records begin with kindergartners in 2001, first-graders in 2002, second-graders in 2003, and third-graders in 2004 and include all LAUSD students in grades K-3 for 2004 to 2008. Altogether, the raw data…

In 2010, Governor Arnold Schwarzenegger signed the Kindergarten Readiness Act into law, which changed the kindergarten entry age so that children must turn 5 by September instead of December to enroll. The new grade level was put into place to promote school readiness for California's youngest learners. It also established a new grade…

This study examined the effectiveness of an intentional versus an implicit approach to English oral language development in young children. A vocabulary intervention in science was developed using previous research on effective vocabulary and science instruction. Participants were 39 English-learning, bilingual, and monolingual English-speaking…

Facing mounting evidence that California has fallen behind on many key indicators of educational performance, policymakers and the public share considerable interest in exploring whether California should expand public funding for preschool education. This expanded funding will be most effective if resources can be directed to their most efficient…

"Harvard Education Letter" is published bimonthly at the Harvard Graduate School of Education. This issue of "Harvard Education Letter" contains the following articles: (1) Early Childhood Education at a Crossroads: Access to Preschool Has Come a Long Way, but Critical Choices Lie Ahead (Deborah Stipek); (2) Bridging the…