For the 2026 school year, there are 5 public charter schools serving 1,521 students in Altadena, CA.
The top-ranked public charter schools in Altadena, CA are Odyssey Charter, Aveson School Of Leaders 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 54% (versus the California public charter school average of 32%), and reading proficiency score of 62% (versus the 48% statewide average). Charter schools in Altadena have an average ranking of 9/10, which is in the top 20% of California public charter schools.
Minority enrollment is 65% 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 | 466 students Student-teacher ratio: 25:1 Minority enrollment: 56%
Rank: #22.
Aveson School Of Leaders
Charter School
(Math: 55-59% | Reading: 60-64%)
Rank:
Rank:
9/
Top 20%10
1919 East Pinecrest Dr.
Altadena, CA 91001
(626) 797-1440
Altadena, CA 91001
(626) 797-1440
Gr: K-5 | 334 students Student-teacher ratio: 19:1 Minority enrollment: 59%
Rank: #33.
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 | 370 students Student-teacher ratio: 21:1 Minority enrollment: 67%
Rank: #44.
Pasadena Rosebud Academy
Charter School
(Math: 45-49% | Reading: 50-54%)
Rank:
Rank:
8/
Top 30%10
3544 North Canon Blvd.
Altadena, CA 91001
(626) 797-7704
Altadena, CA 91001
(626) 797-7704
Gr: K-8 | 144 students Student-teacher ratio: 14:1 Minority enrollment: 99%
Rank: #55.
Aveson Global Leadership Academy
Charter School
(Math: 15-19% | Reading: 50-54%)
Rank:
Rank:
5/
Bottom 50%10
575 West Altadena Dr.
Altadena, CA 91001
(626) 797-1438
Altadena, CA 91001
(626) 797-1438
Gr: 6-12 | 207 students Student-teacher ratio: 12:1 Minority enrollment: 66%
Altadena, California 51爆料s (Closed)
School
Location
Quick Facts
2046 North Allen Ave
Altadena, CA 91001
(626) 396-5760
Altadena, CA 91001
(626) 396-5760
Gr: K-6 | 321 students Minority enrollment: 87%
3126 North Glenrose Ave.
Altadena, CA 91001
(626) 794-7153
Altadena, CA 91001
(626) 794-7153
Gr: K-6 | 218 students Minority enrollment: 96%
1919 East Pinecrest Dr.
Altadena, CA 91001
(626) 794-1149
Altadena, CA 91001
(626) 794-1149
Gr: K-6 | 311 students Minority enrollment: 88%
3544 N. Canon Blvd.
Altadena, CA 91001
(626) 797-7704
Altadena, CA 91001
(626) 797-7704
Gr: 7-8 | 29 students Student-teacher ratio: 15:1 Minority enrollment: 97%
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, Aveson School Of Leaders and Ocs - South.
How many public charter schools are located in Altadena?
5 public charter schools are located in Altadena.
What is the racial composition of students in Altadena?
Altadena public charter schools minority enrollment is 65% of the student body (majority Hispanic), which is less than the California public charter schools average of 75% (majority Hispanic).
Which public charter schools in Altadena are often viewed compared to one another?
Popular comparisons of public charter schools in Altadena include: Aveson School Of Leaders vs. Odyssey Charter, Pasadena Rosebud Academy vs. Odyssey Charter, Odyssey Charter vs. Aveson School Of Leaders
Recent Articles
The ROI of Public High School in 2026: Which Programs Actually Improve College and Career Outcomes?
Which public high school programs deliver real college and career results in 2026? Compare AP, IB, dual enrollment, CTE, and early college outcomes.
Spring Parent-Teacher Conferences: Key Questions
Spring Parent-Teacher Conferences: Questions Every Parent Should Ask to support academic growth, social development, and 2026 classroom goals.
Prepare for Spring Tests Without Anxiety
Learn how to prepare for spring standardized tests without increasing anxiety using proven strategies for families and schools.