Welcome to TKCalifornia!

Giving young learners a strong start with Transitional Kindergarten

Transitional Kindergarten (TK) is one of the first steps California’s youngest learners take in their academic careers—and new updates to education policy now make it possible to serve more children in TK! On TKCalifornia, you can learn more about TK, as well as receive valuable, easy-to-use support and tips for teaching and administering high-quality TK that will get your young learners off to a strong start! Learn more ›

TK Policy Map Timeline


Ready, set…

Sept. 2 – Dec. 2 Birthdays

  • Implementation Grants issued
  • Facilities Grants issued


Go! TK expansion begins!

Sept. 2 – Feb. 2 Birthdays

  • Max class size 24
  • 12:1 student/adult ratio


Getting even better…

Sept. 2 – April 2 Birthdays

  • LEAs can expand to serve “Early Enrollment” children born between June 2nd – September 1st if they meet additional requirements


Almost there…

Sept. 2 – June 2 Birthdays


Finish line!

All children who turn 4 by September 1st can enroll in TK!

  • Student/adult ratio reduced to 10:1
  • All TK teachers must possess a teaching credential + additional training or experience in ECE
Download a PDF Version
Information for Administrators
Information for Teachers
Information for Parents

Explore Our TK Resources Library

Our TK resources library includes a variety of resources designed to support TK administrators, teachers, and parents. Our list of resources comes from various educators, researchers, and state-wide organizations working to support TK implementation across California.

Featured Resources

Transitional Kindergarten FAQ
Multilingual Learning Toolkit
The Value of Transitional Kindergarten: Parent Perspectives
Discover 163 different resources to help you administer and teach TK

Upcoming Events & Trainings

Find a current listing of upcoming TK-specific events and trainings from various education and policy organizations. Sign up for upcoming events & trainings ›

March 8, 2022
March 8, 2022
Past Webinar | Celebrating Transitional Kindergarten: Stories from the Field & Website Launch

Transitional Kindergarten in the News

California’s Free Transitional Kindergarten Program
More young children are back in preschool