Despite over $1.2 billion spent on expanding transitional kindergarten in California, experts question whether current measures effectively assess the programme’s true impact, raising concerns about whether access translates to meaningful early learning.
California’s push to make transitional kindergarten universal was sold as a big bet on young children: if every 4-year-old had access to a free public classroom, more children would enter school ready to learn and the state would narrow long-standing gaps in opportunity. But more than a year into the rollout, the sharper question is not whether the policy was ambitious. It is whether California is measuring what it actually delivers.
The state completed the expansion after Governor Gavin Newsom signed Assembly Bill 130 in 2021, creating a new grade that now guarantees a place for all 4-year-olds. The Legislative Analyst’s Office said in 2025 that California had already spent about $1.2 billion in one-time money on facilities, planning and teacher recruitment and preparation. Lawmakers also set aside $3.3 billion for the programme’s ongoing costs in the 2025-26 budget, including funding tied to the Local Control Funding Formula and the required 10-to-1 student-to-adult staffing ratio.
Supporters of universal transitional kindergarten, often called UTK, point to a large body of research showing that high-quality early education can improve later outcomes. Studies of programmes such as Perry Preschool, the Child-Parent Centre model in Chicago and universal preschool in Tulsa have linked early learning to higher graduation rates, better middle-school performance, more financial stability and fewer justice-system contacts. Other research has suggested benefits for physical health as well. California’s own Universal Prekindergarten initiative is meant to extend that promise by offering free, inclusive pre-kindergarten to all 4-year-olds by the 2025-26 school year, while also expanding access for some 3-year-olds and children with disabilities.
Yet the evidence on early childhood programmes is also more mixed than advocates sometimes suggest, which makes rigorous evaluation especially important. Some studies have found that early gains fade as children move through school, while a major Tennessee pre-K study found benefits in kindergarten but negative effects by sixth grade on several measures, including test scores, discipline, attendance and special education referrals. Researchers have argued that the design of the classroom matters as much as access itself, especially whether programmes are developmentally appropriate and connected to what children encounter in later grades.
That is where California appears to be falling short. A Learning Policy Institute report on the 2024-25 implementation of universal pre-kindergarten said the state has made substantial investments and increased enrolment, but it also highlighted continued challenges with facilities and the need for developmentally appropriate practice. The California Department of Education publishes TK participation data by state, county, district and school, including breakdowns by race, gender and student group, but that information alone does not tell policymakers whether children are experiencing a strong programme or merely a seat in a classroom. The Public Policy Institute of California has also said expansion brings new questions about serving younger four-year-olds and supporting families and districts through the transition.
H. Alix Gallagher, the author of the EdSource article and director of education policy and outcomes at Policy Analysis for California Education, argues that the problem is not limited to TK. California also spends heavily on other programmes, such as the Expanded Learning Opportunities Program for before-school, after-school and summer support, without consistently testing whether they meet their goals. Her case is straightforward: if the state is willing to devote billions to early education and other school programmes, it should also require studies of implementation and impact so it can tell what is working, what is not and what needs to change.
Disclaimer: This content is for informational purposes only and is not intended to be a substitute for professional medical judgment, advice, diagnosis, or treatment.
