Top Rankings
Charter Oak Unified School District ranks among the top 20% of public school district in California for:
Category
Attribute
Graduation Rate
Highest graduation rate (Top 5%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2026-27 school year, there are 4 public high schools serving 1,438 students in Charter Oak Unified School District. This district's average high testing ranking is 7/10, which is in the top 50% of public high schools in California.
Public High Schools in Charter Oak Unified School District have an average math proficiency score of 25% (versus the California public high school average of 28%), and reading proficiency score of 51% (versus the 51% statewide average).
Public High School in Charter Oak Unified School District have a Graduation Rate of 94%, which is more than the California average of 86%.
The school with highest graduation rate is Charter Oak High School, with 96% graduation rate. Read more about public school graduation rate statistics in California or national school graduation rate statistics.
Minority enrollment is 89% of the student body (majority Hispanic), which is more than the California public high school average of 79% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
10 Schools
2,790 Schools
# Students
4,296 Students
2,122,151 Students
# Teachers
194 Teachers
101,015 Teachers
Student-Teacher Ratio
22:1
22:1
Student By Grade
District Rank
Charter Oak Unified School District, which is ranked #607 of all 1,903 school districts in California (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 95% has decreased from 96% over five school years.
Overall District Rank
#587 out of 1932 school districts
(Top 50%)
(Top 50%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
38%
34%
Showing 2013–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
49%
47%
Showing 2012–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
24%
29%
Graduation Rate
95%
86.2%
Showing 2014–2023. Full 13-year historical data available below ↓
Chronically Absent Students
(2022-23)28.4%
27.7%
Students by Ethnicity:
Diversity Score
0.42
0.63
Showing 2014–2023. Full 36-year historical data available below ↓
% American Indian
n/a
1%
Showing 2002–2020. Full 30-year historical data available below ↓
% Asian
7%
12%
Showing 2014–2023. Full 36-year historical data available below ↓
% Hispanic
75%
56%
Showing 2014–2023. Full 36-year historical data available below ↓
% Black
3%
5%
Showing 2014–2023. Full 36-year historical data available below ↓
% White
12%
21%
Showing 2014–2023. Full 36-year historical data available below ↓
% Hawaiian
n/a
n/a
% Two or more races
3%
5%
Showing 2014–2023. Full 15-year historical data available below ↓
All Ethnic Groups
District Revenue and Spending
The revenue/student of $22,423 in this school district is less than the state median of $26,022. The school district revenue/student has grown by 16% over four school years.
The school district's spending/student of $19,868 is less than the state median of $22,604. The school district spending/student has grown by 12% over four school years.
Total Revenue
$96 MM
$150,628 MM
Showing 2014–2023. Full 34-year historical data available below ↓
Spending
$85 MM
$130,845 MM
Showing 2014–2023. Full 34-year historical data available below ↓
Revenue / Student
$22,423
$26,022
Showing 2014–2023. Full 34-year historical data available below ↓
Spending / Student
$19,868
$22,604
Showing 2014–2023. Full 34-year historical data available below ↓
Best Charter Oak Unified School District Public High Schools (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Bridges Community Day
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
7/
Top 50%10
1505 South Sunflower Ave.
Glendora, CA 91740
(626) 914-3961
Glendora, CA 91740
(626) 914-3961
Gr: 7-12 | 1 student Student-teacher ratio: 1:1
Rank: #22.
Charter Oak High School
Charter School
(Math: 30% | Reading: 56%)
Rank:
Rank:
7/
Top 50%10
1430 East Covina Blvd.
Covina, CA 91724
(626) 915-5841
Covina, CA 91724
(626) 915-5841
Gr: 9-12 | 1,259 students Student-teacher ratio: 22:1 Minority enrollment: 89%
Rank: #33.
Oak Knoll Alternative
Alternative School
(Math: 10-14% | Reading: 45-49%)
Rank:
Rank:
4/
Bottom 50%10
1505 South Sunflower Ave.
Glendora, CA 91740
(626) 852-7972
Glendora, CA 91740
(626) 852-7972
Gr: K-12 | 107 students Student-teacher ratio: 36:1 Minority enrollment: 86%
Rank: #44.
Arrow High (Continuation School)
Alternative School
(Math: ≤10% | Reading: 20-29%)
Rank:
Rank:
1/
Bottom 50%10
1505 South Sunflower Ave.
Glendora, CA 91740
(626) 914-3961
Glendora, CA 91740
(626) 914-3961
Gr: 9-12 | 71 students Student-teacher ratio: 14:1 Minority enrollment: 91%
Recent Articles
When a Public School Cancels a Course Your Child Needs
Learn what parents can do when public schools cancel essential courses, including protecting graduation credits, finding approved alternatives, requesting substitutions, and preventing disruptions to college or career plans before deadlines.
Verify School Assignment Before Buying a House
Before buying a house, learn how to verify your child's assigned public school, check conflicting property listings, confirm enrollment eligibility, and avoid costly school assignment surprises before closing on a property.
School Bus Commute Times: What Parents Should Know
Discover how long school bus commutes really take, why routes vary, and what parents should ask about pickup times, student fatigue, transportation reliability, and daily schedules before choosing schools.
