High-quality early childhood programs aim to foster children's learning through developmentally appropriate practices and environments. Early childhood assessments, when well designed and well implemented, can support developmentally appropriate early learning experiences by providing information to guide instruction and support whole child…

High-quality early learning experiences (i.e., developmentally appropriate, play-based instruction with clear learning goals) have positive long-term effects on student outcomes. As California rolls out Universal Transitional Kindergarten (UTK), district leaders focused on meeting state requirements for hiring qualified staff and finding…

Using a large sample of longitudinal assessment data from children in publicly funded infant/toddler care, preschool, and kindergarten (analytic N = 453,468), this study modeled language and literacy trajectories from early infancy through kindergarten for dual language learners (DLLs) from homes representing many different languages and their…

In 2021, California made historic investments in early learning to expand transitional kindergarten (TK) to serve all of California's 4-year-olds. Transitional kindergarten began in California in 2012 as a free public school program for 4-year-olds who were not yet eligible for kindergarten (a non-compulsory grade). Yet by 2019, just 28 percent of…

Educators often wonder exactly how the textbooks that end up in students' hands were approved. In this article, the author explores one significant stage in the process in California, the nation's largest textbook market. The Instructional Quality Commission (IQC), an advisory board to the California Department of Education's (CDE) State Board of…

The 2021-22 accreditation year continued to be impacted in significant ways by the ongoing nature of the worldwide COVID-19 pandemic. All accreditation activities, including site visits, were adjusted to reflect this new reality while maintaining full implementation of the system. This report presents information about the major activities of the…

This appendix provides additional details on the underlying data, statistical models, and results presented in "The Big Lift Descriptive Analyses: Progress across Three Kindergarten Classes." First the authors describe how they created each control and outcome variable and its source (e.g., parent report), followed by an overview of the…

The COVID-19 pandemic has had a huge impact on education. Science teaching, in particular, has faced specific challenges given the field's emphasis on high-quality instruction that has students "do" science collaboratively rather than just read about it or hear about it in a lecture. This brief provides: (1) a summary of data collected…

The Big Lift™ (Big Lift), a collective impact initiative extending from preschool through third grade in San Mateo County, California, aims to boost reading proficiency and kindergarten readiness through four programmatic pillars: High-Quality Preschool, Summer Learning, Attendance, and Family Engagement. In this report, the authors present…

Over the course of six years, a diverse group of school districts and charter management organizations in California ran a substantial experiment in implementing the Next Generation Science Standards (NGSS) in elementary and middle grades. WestEd led an extensive evaluation of that effort, the California K-8 NGSS Early Implementers Initiative,…

Are parental inputs complements or substitutes to education quality? Using variation induced by identification into a gifted and talented (GT) program, I find no aggregate effects on parental behavior as a result of their child's access to a higher quality education. However, there are heterogeneous effects. Non-minority parents decrease…

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, the 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…

This 22nd edition of "Quality Counts" offers a fresh take on the annual top-to-bottom ranking of the nation's school systems on a state-by-state basis published by "Education Week". The first of three "Quality Counts" reports being rolled out over the course of the year, "Grading the States" aims to…

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, the 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…

The Big Lift is a collective impact initiative extending from preschool to third grade in San Mateo County, California. The collective impact effort consists of people and organizations from various sectors uniting to tackle a single, complicated societal problem -- in this case, third grade reading achievement. The initiative is a partnership of…