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 2025 school year, there are 6 public elementary schools serving 2,238 students in Charter Oak Unified School District. This district's average elementary testing ranking is 7/10, which is in the top 50% of public elementary schools in California.
ÎÛÎÛÂþ» Elementary Schools in Charter Oak Unified School District have an average math proficiency score of 38% (versus the California public elementary school average of 36%), and reading proficiency score of 48% (versus the 45% statewide average).
Minority enrollment is 87% of the student body (majority Hispanic), which is more than the California public elementary school average of 79% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
10 Schools
7,700 Schools
# Students
4,235 Students
3,822,920 Students
# Teachers
191 Teachers
174,006 Teachers
Student-Teacher Ratio
22:1
22:1
Student By Grade
District Rank
Charter Oak Unified School District, which is ranked #608 of all 1,910 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%)
Math Test Scores (% Proficient)
38%
34%
Reading/Language Arts Test Scores (% Proficient)
49%
47%
Science Test Scores (% Proficient)
24%
29%
Graduation Rate
95%
87%
Students by Ethnicity:
Diversity Score
0.43
0.64
% American Indian
1%
1%
% Asian
7%
12%
% Hispanic
74%
55%
% Black
3%
5%
% White
12%
21%
% Hawaiian
n/a
n/a
% Two or more races
3%
6%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $16,544 in this school district is less than the state median of $19,974. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $15,883 is less than the state median of $18,396. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$70 MM
$116,387 MM
Spending
$67 MM
$107,188 MM
Revenue / Student
$16,544
$19,974
Spending / Student
$15,883
$18,396
Best Charter Oak Unified School District ÎÛÎÛÂþ» Elementary Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Washington Elementary School
(Math: 50-54% | Reading: 65-69%)
Rank:
Rank:
9/
Top 20%10
325 West Gladstone
Glendora, CA 91740
(626) 914-2704
Glendora, CA 91740
(626) 914-2704
Gr: K-6 | 392 students Student-teacher ratio: 23:1 Minority enrollment: 82%
Rank: #22.
Willow Elementary School
(Math: 45-49% | Reading: 55-59%)
Rank:
Rank:
8/
Top 30%10
1427 South Willow
Glendora, CA 91740
(626) 914-5839
Glendora, CA 91740
(626) 914-5839
Gr: K-6 | 356 students Student-teacher ratio: 22:1 Minority enrollment: 82%
Rank: #33.
Cedargrove Elementary School
(Math: 35% | Reading: 47%)
Rank:
Rank:
7/
Top 50%10
1209 North Glendora Ave.
Covina, CA 91724
(626) 966-8675
Covina, CA 91724
(626) 966-8675
Gr: K-6 | 568 students Student-teacher ratio: 25:1 Minority enrollment: 89%
Rank: #44.
Badillo Elementary School
(Math: 36% | Reading: 39%)
Rank:
Rank:
6/
Top 50%10
1771 East Old Badillo Ave.
Covina, CA 91724
(626) 966-1753
Covina, CA 91724
(626) 966-1753
Gr: K-6 | 418 students Student-teacher ratio: 23:1 Minority enrollment: 94%
Rank: #55.
Glen Oak Elementary School
(Math: 30% | Reading: 35-39%)
Rank:
Rank:
5/
Bottom 50%10
1000 North Sunflower Ave.
Covina, CA 91724
(626) 331-5341
Covina, CA 91724
(626) 331-5341
Gr: K-6 | 392 students Student-teacher ratio: 25:1 Minority enrollment: 88%
Rank: #66.
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 | 112 students Student-teacher ratio: 22:1 Minority enrollment: 80%
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