Comprehensive guide to California's public education system serving 5.8 million K-12 students, 2.6 million higher education students, and featuring one of the nation's highest teacher salaries
2024-25 School Year Enrollment
Highest in the nation (2023-24)
UC, CSU & Community Colleges
All sources (2024-25 projected)
Tony Thurmond serves as California's 28th State Superintendent of Public Instruction (elected 2018, reelected 2022). Current term runs through January 4, 2027.
2024-25 School Year
17.4% of students (2024-25)
13% of all students (ages 0-22)
Home to the nation's second-largest school district and numerous high-performing districts serving diverse student populations.
Features some of California's highest-performing school districts with exceptional academic outcomes and strong college preparation.
Major agricultural region with growing urban centers and diverse student populations.
| Rank | School District | Location | Enrollment | Total Schools |
|---|---|---|---|---|
| 1 | Los Angeles Unified School District | Los Angeles | 435,958 | 781 |
| 2 | San Diego Unified School District | San Diego | 95,233 | - |
| 3 | Fresno Unified School District | Fresno | 69,873 | - |
| 4 | Long Beach Unified School District | Long Beach | 67,292 | - |
| 5 | Elk Grove Unified School District | Sacramento County | 62,229 | - |
| 6 | Corona-Norco Unified School District | Riverside County | 50,889 | - |
| 7 | San Francisco Unified School District | San Francisco | 49,204 | - |
Charter schools represent California's largest public school choice program, serving 685,553 students in 2022-23 (11.7% of statewide enrollment).
While California does not offer traditional voucher programs or tax credits for private school choice, several public school choice options exist:
California offers multiple legal pathways for homeschooling, making tracking challenging:
File paperwork to establish home as private school
Enroll in independent study charter programs
Participate in district-sponsored programs
Campuses: UC Berkeley, UCLA, UC San Diego, UC Davis, UC Irvine, UC Santa Barbara, UC Santa Cruz, UC Riverside, UC Merced, UC San Francisco (graduate/professional only)
Total Students
Major Campuses: San Diego State, Cal Poly San Luis Obispo, Long Beach State, San Francisco State, Sacramento State, Fresno State, Cal Poly Pomona, San Jose State, and 15 others
Total Students
Total Students
Credentialing Authority: California Commission on Teacher Credentialing (CTC)
California has invested more than $1 billion to strengthen the teacher workforce since 2021, with funding directed toward:
CAASPP is California's state testing system, measuring student performance on Common Core-aligned standards.
The State Board of Education updated achievement level labels:
Met or Exceeded Standards
+1.77% from 2024 (47.0%)
Met or Exceeded Standards
+0.4% from 2024 (34.6%)
Socioeconomically disadvantaged students showed significant progress:
New in 2024-25: California began publishing number of students enrolled in bilingual programming for improved transparency.
Top three disabilities account for 74% of special education enrollment:
All funding sources (state, local, federal)
K-12 education state funding
All sources (projected)
California's primary method for distributing funds to school districts:
| Rank | School District | Location | Students | Niche Grade | Notable Features |
|---|---|---|---|---|---|
| #1 | Palo Alto Unified School District | Palo Alto (Bay Area) | 8,000+ | A+ | Ranked #1 in California and nation (Niche); Henry M. Gunn High (#3 CA), Palo Alto High (#9 CA) |
| #4 | Los Gatos-Saratoga Union High School District | Santa Clara County | - | A+ | Elite academics, top college readiness rankings |
| #20 | Irvine Unified School District | Irvine (Southern CA) | 37,731 | A+ | 247 Niche user reviews (4.2 stars), 45 schools |
| Top | Poway Unified School District | San Diego County | - | A+ | Ranked among California's top for academics and college readiness |
| Top | Los Altos Unified School District | Los Altos (Bay Area) | - | A+ | High-performing Silicon Valley district |
| Top | San Ramon Valley Unified School District | Contra Costa County | - | - | Serving Alamo, Blackhawk, Danville, Diablo, San Ramon |
Top-performing California school districts typically share these characteristics:
Last updated on November 24, 2025