We investigated the impact of a subsidized, needs-based preschool program (Study 1; N = 1,894) and California's universal but age-restricted transitional kindergarten (TK) program (Study 2; N = 1,093) on school readiness. We applied Mahalanobis matching--a quasi-experimental data analysis method used to create equivalent groups--to data from three…

State and local officials must establish effective and supportive transition policies that recognize an ongoing process and include collaboration across ECE settings and elementary schools. This toolkit offers immediate steps needed to strengthen children's transition this coming year and beyond. [Additional funding for this toolkit from the…

California's K-12 funding and instructional policies for English learners (ELs) have changed significantly over the past 2 decades. The major policy shifts held the potential to change student learning outcome patterns for ELs. As a first step in identifying the potential impacts of these policy shifts, this report describes changes over time in…

Every year, children enter PreK and kindergarten with varied early education experiences, and the COVID-19 pandemic has heightened the problem. The need to respond to students' changing situations gives school districts and states an opportunity to reconsider how they are helping children and their families make the transition into kindergarten.…

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…

In 2021, California committed to providing universal prekindergarten (UPK) for all 4-year-olds and expanding access for income-eligible 3-year-olds by 2025-2026. California UPK includes several early learning programs, including transitional kindergarten (TK), the California State Preschool Program (CSPP), Head Start, and locally funded early…