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Timeline for Implementation

California Assembly Bill 130 (which modifies EC Section 48000) outlines the required average ratio of adults to children in the transitional kindergarten classroom. Each classroom must be taught by a teacher who holds a credential issued by the state Commission on Teacher Credentialing (see Ed Code 44065 and 44256 for additional information). Starting in the 2022-23 school year, the average ratio in the classroom is one adult per every 12 students. In 2023-24, the average ratio is one adult per every 10 students contingent upon an appropriation of funds for this purpose. Additionally, school districts and charter schools must maintain an average transitional kindergarten class enrollment of not more than 24 pupils per classroom for each school site.

2021-22

Funding and Grants

  • Facilities Grant Program (EC 17375-17375)
  • Pre-Kindergarten Planning and Implementation Grant (EC 8281.5)

2022-23

Student Phase-In (EC 48000)

  • Fifth birthday between Sept. 2 and Feb. 2

Teacher to Student Ratios (EC 48000)

  • 1:12

Credentialing Requirements (EC 48000)

  • Additional TK credentialing requirements in place by August 2023

2023-24

Student Phase-In

  • Fifth birthday between Sept. 2 and April 2

Teacher to Student Ratios

  • 1:10 (contingent on funding)

2024-25

Student Phase-In

  • Fifth birthday between Sept. 2 and June 2

Teacher to Student Ratios

  • 1:10(contingent on funding)

2025-26

Student Phase-In

  • Fourth birthday by Sept. 1

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Read details about the timeline for Universal Transitional Kindergarten implementation through the 2025-26 school year.

California Assembly Bill (AB) 130 established an early learning initiative to expand access to classroom-based prekindergarten programs offered by school districts, county offices of education, or charter schools. With the passage of AB 130 in Section 22, the TK-12 education trailer bill, legislation outlined funding for a universal preschool program that would be available to every 4-year-old regardless of income.