allk12 · Rankings · Largest charters · California · K-12 schools

The largest public charter schools in California

Across California, 5 public K-12 schools are ranked here, ranked by total enrollment among charter schools. California Innovative Career Academy leads the list at 1,729, against a median of 643 across the ranked schools.

The table below is sortable and filterable, and the full list downloads as a CSV. Figures come from federal NCES enrollment data and, where applicable, state assessment results for 2024-25.

Schools ranked

California

Top Students

1,729

Median Students

643

LARGEST CHARTERS · CALIFORNIA

#	School	City	District	Level	Students
1	California Innovative Career Academy	Sacramento, CA	California Innovative Career Academy District	Combined	1,729
2	Kairos Public	Vacaville, CA	Kairos Public District	Combined	786
3	Hayward Twin Oaks Montessori	Hayward, CA	Hayward Twin Oaks Montessori District	Combined	643
4	Uncharted Shores Academy	Crescent City, CA	Uncharted Shores Academy District	Combined	283
5	Sequoia Career Academy	Ukiah, CA	Sequoia Career Academy District	Combined	144

Page 1 of 1 · top 5 of 5 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

All California schools →

Largest charters rankings at a wider scope

Nationwide

Other rankings for California

Largest Most diverse Lowest ratio Highest proficiency Fastest growing Highest poverty Lowest poverty Highest ratio Fastest declining Lowest proficiency Most Hispanic Most Black Most White Most Asian Best in math Best in reading Most improved Biggest declines Most Native American Most Pacific Islander Most multiracial Most Hispanic (count)Most Black (count)Most White (count)Most Asian (count)Most Native American (count)Most Pacific Islander (count)Most multiracial (count)Smallest Most male Most female

All ranking categories →

DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.