For the 2026 school year, there are 2 public charter schools serving 855 students in Altadena, CA.
The top-ranked public charter schools in Altadena, CA are Odyssey Charter and Ocs - South. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Altadena, CA public charter schools have an average math proficiency score of 64% (versus the California public charter school average of 32%), and reading proficiency score of 67% (versus the 48% statewide average). Charter schools in Altadena have an average ranking of 10/10, which is in the top 10% of California public charter schools.
Minority enrollment is 60% 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 Altadena, CA (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Odyssey Charter
Charter School
(Math: 66% | Reading: 72%)
Rank:
Rank:
10/
Top 10%10
725 West Altadena Dr.
Altadena, CA 91001
(626) 229-0993
Altadena, CA 91001
(626) 229-0993
Gr: K-8 | 463 students Student-teacher ratio: 26:1 Minority enrollment: 55%
Rank: #22.
Ocs - South
Charter School
(Math: 60-64% | Reading: 55-59%)
Rank:
Rank:
9/
Top 20%10
119 West Palm St.
Altadena, CA 91001
(626) 209-5635
Altadena, CA 91001
(626) 209-5635
Gr: K-8 | 392 students Student-teacher ratio: 20:1 Minority enrollment: 66%
Frequently Asked Questions
What are the top-ranked public charter schools in Altadena, CA?
The top-ranked public charter schools in Altadena, CA include Odyssey Charter and Ocs - South.
How many public charter schools are located in Altadena?
2 public charter schools are located in Altadena.
What is the racial composition of students in Altadena?
Altadena public charter schools minority enrollment is 60% of the student body (majority Hispanic), which is less than the California public charter schools average of 75% (majority Hispanic).
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