Transitional kindergarten (TK)--California's universal prekindergarten options that represent the first year of a two-year kindergarten program--began expansion during the 2022-2023 school year and is gradually increasing age eligibility. By the fall of 2025, all four-year-olds across the state will have access to TK in public schools. While the…

Located just southeast of Fresno in California's Central Valley, Sanger Unified School District (USD) serves approximately 12,000 students in 20 schools. Sanger USD students are predominately from low-income families (73%); most are Latino/a (70%), and about one in five (18%) are English learners. During the accountability era of No Child Left…

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…

To increase understanding of factors that prompt adolescents to seek alcohol-related services, this research examined the characteristics of youths who self-selected into a secondary alcohol intervention. Using a cross-sectional study of high school students (N = 6,748), the authors explored participants' alcohol involvement, alcohol-related…

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…