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For the 2025-26 school year, there are 5 public charter schools serving 1,130 students in Costa Mesa, CA. The top-ranked public charter schools in Costa Mesa, CA are International School For Science And Culture, California Pacific Charter - Sonoma and California Pacific Charter - San Diego. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Costa Mesa, CA public charter schools have an average math proficiency score of 25% (versus the California public charter school average of 32%), and reading proficiency score of 45% (versus the 48% statewide average). Charter schools in Costa Mesa have an average ranking of 4/10, which is in the bottom 50% of California public charter schools.

Minority enrollment is 73% of the student body (majority Hispanic), which is less than the California public charter school average of 75% (majority Hispanic).