For the 2025 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 27% (versus the California public charter school average of 31%), 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).
Best Public Charter Schools in Costa Mesa, CA (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
International School For Science And Culture
Charter School
(Math: 35-39% | Reading: 50-54%)
Rank:
Rank:
7/
Top 50%10
1770 Tustin Ave.
Costa Mesa, CA 92627
(949) 441-4500
Costa Mesa, CA 92627
(949) 441-4500
Grades: K-8
| 114 students
Rank: #22.
California Pacific Charter - Sonoma
Charter School
(Math: 30-34% | Reading: 50-54%)
Rank:
Rank:
7/
Top 50%10
14630 Armstrong Woods Rd.
Costa Mesa, CA 92626
(855) 225-7227
Costa Mesa, CA 92626
(855) 225-7227
Grades: K-12
| 152 students
Rank: #33.
California Pacific Charter - San Diego
Charter School
(Math: 25-29% | Reading: 50-54%)
Rank:
Rank:
7/
Top 50%10
940 South Coast Dr., Ste. 185
Costa Mesa, CA 92626
(855) 225-7227
Costa Mesa, CA 92626
(855) 225-7227
Grades: K-12
| 280 students
Rank: #44.
California Pacific Charter- Los Angeles
Charter School
(Math: 20-24% | Reading: 35-39%)
Rank:
Rank:
5/
Bottom 50%10
940 South Coast Dr. #185
Costa Mesa, CA 92626
(855) 225-7227
Costa Mesa, CA 92626
(855) 225-7227
Grades: K-12
| 428 students
Rank: #55.
College And Career Preparatory Academy
Charter School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
2/
Bottom 50%10
1669 East Wilshire Ave. Ste. 6
Costa Mesa, CA 92628
(714) 796-8795
Costa Mesa, CA 92628
(714) 796-8795
Grades: 9-12
| 156 students
Costa Mesa, California Public Schools (Closed)
School
Location
Grades
Students
Access Juvenile Hall (Closed 2024)
Alternative School
200 Kalmus Dr.
Costa Mesa, CA 92628
(714) 935-7651
Costa Mesa, CA 92628
(714) 935-7651
Grades: K-12
| 183 students
Orange Coast Middle College High School (Closed 2011)
Alternative School
2701 Fairview Rd
Costa Mesa, CA 92628
(714) 432-5732
Costa Mesa, CA 92628
(714) 432-5732
Grades: 12
| n/a students
102 Baker St East
Costa Mesa, CA 92626
(714) 557-7002
Costa Mesa, CA 92626
(714) 557-7002
Grades: 6-12
| 176 students
Frequently Asked Questions
What are the top ranked public charter schools in Costa Mesa, CA?
The top ranked public charter schools in Costa Mesa, CA include International School For Science And Culture, California Pacific Charter - Sonoma and California Pacific Charter - San Diego. Costa Mesa has one of the highest concentrations of top ranked public schools in California.
How many public charter schools are located in Costa Mesa?
5 public charter schools are located in Costa Mesa.
What is the racial composition of students in Costa Mesa?
Costa Mesa public charter schools minority enrollment is 73% of the student body (majority Hispanic), which is less than the California public charter schools average of 75% (majority Hispanic).
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