For the 2025 school year, there are 5 public charter schools serving 1,521 students in 91001, CA.
The top ranked public charter schools in 91001, 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.
ÎÛÎÛÂþ» charter schools in zipcode 91001 have an average math proficiency score of 46% (versus the California public charter school average of 31%), and reading proficiency score of 62% (versus the 48% statewide average). Charter schools in 91001, CA 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 91001, CA ÎÛÎÛÂþ» Charter Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Odyssey Charter
Charter School
(Math: 57% | Reading: 72%)
Rank:
Rank:
9/
Top 20%10
725 West Altadena Dr.
Altadena, CA 91001
(626) 229-0993
Altadena, CA 91001
(626) 229-0993
Grades: K-8
| 466 students
Rank: #22.
Aveson School Of Leaders
Charter School
(Math: 50-54% | 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
Grades: K-5
| 334 students
Rank: #33.
Ocs - South
Charter School
(Math: 45-49% | Reading: 55-59%)
Rank:
Rank:
8/
Top 30%10
119 West Palm St.
Altadena, CA 91001
(626) 209-5635
Altadena, CA 91001
(626) 209-5635
Grades: K-8
| 370 students
Rank: #44.
Pasadena Rosebud Academy
Charter School
(Math: 35-39% | Reading: 50-54%)
Rank:
Rank:
7/
Top 50%10
3544 North Canon Blvd.
Altadena, CA 91001
(626) 797-7704
Altadena, CA 91001
(626) 797-7704
Grades: K-8
| 144 students
Rank: #55.
Aveson Global Leadership Academy
Charter School
(Math: 20-24% | Reading: 50-54%)
Rank:
Rank:
6/
Top 50%10
575 West Altadena Dr.
Altadena, CA 91001
(626) 797-1438
Altadena, CA 91001
(626) 797-1438
Grades: 6-12
| 207 students
91001, California ÎÛÎÛÂþ» Schools (Closed)
School
Location
Grades
Students
2046 North Allen Ave
Altadena, CA 91001
(626) 396-5760
Altadena, CA 91001
(626) 396-5760
Grades: K-6
| 321 students
3126 North Glenrose Ave.
Altadena, CA 91001
(626) 794-7153
Altadena, CA 91001
(626) 794-7153
Grades: K-6
| 218 students
527 W. Ventura St.
Altadena, CA 91001
(626) 396-5640
Altadena, CA 91001
(626) 396-5640
Grades: K-5
| n/a students
1919 East Pinecrest Dr.
Altadena, CA 91001
(626) 794-1149
Altadena, CA 91001
(626) 794-1149
Grades: K-6
| 311 students
3544 N. Canon Blvd.
Altadena, CA 91001
(626) 797-7704
Altadena, CA 91001
(626) 797-7704
Grades: 7-8
| 29 students
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, Aveson School Of Leaders and Ocs - South.
How many public charter schools are located in 91001?
5 public charter schools are located in 91001.
What is the racial composition of students in 91001?
91001 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).
Recent Articles

Segregation in K-12 Education: Colonial Era
Explore the origins of educational segregation during the colonial era and the differential treatment of Native American, African American, and white students. This article delves into the historical context, policies, and societal attitudes that shaped early education in colonial America, highlighting the disparities and injustices that persisted within the schooling systems of that time.

2011 Classroom Size Update: Are Classes Still Growing Larger?
Since the recession, public school classrooms have seen major budget cuts - and many increases in class sizes. How is the situation in 2011? Read this article to find out.

Will Single Sex Classrooms Save ÎÛÎÛÂþ» Schools?
Learn about the benefits of single sex classrooms and why public schools are hoping this type of classroom will save the American school system.