For the 2026 school year, there are 2 public charter schools serving 855 students in 91001, CA.
The top-ranked public charter schools in 91001, CA are Odyssey Charter and Ocs - South. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public charter schools in zipcode 91001 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 91001, CA 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 91001, CA Public Charter Schools (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%
91001, California Public Schools (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 91001, CA?
The top-ranked public charter schools in 91001, CA include Odyssey Charter and Ocs - South.
How many public charter schools are located in 91001?
2 public charter schools are located in 91001.
What is the racial composition of students in 91001?
91001 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).
Recent Articles
How to Evaluate School Safety Beyond Headlines
Learn how to evaluate school safety beyond headlines by examining reliable data, school climate, emergency planning, bullying prevention, communication, student experiences, and everyday security practices before choosing a school.
Choosing a Public School for Executive Function Needs
Learn how to choose a public school for a child with executive function challenges by evaluating routines, classroom support, organization, accommodations, communication, transitions, and special education services before enrollment.
What School Climate Surveys Tell You Before Enrolling
Learn how school climate surveys reveal student safety, belonging, relationships, engagement, and support, and how families can interpret results carefully before choosing a public school for their child today.