Charter Oak Unified School District

20240 E. Cienega Ave.
Covina, CA 91724-1227
(District boundaries shown in map)
7/
10
Top 50%

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.
Public Elementary Schools in Charter Oak Unified School District have an average math proficiency score of 37% (versus the California public elementary school average of 35%), 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 #624 of all 1,925 school districts in California (based off of combined math and reading proficiency testing data) for the 2021-2022 school year.
The school district's graduation rate of 97% has increased from 93% over five school years.
This School District
State Average (CA)
#641 out of 1941 school districts
(Top 50%)
36%
33%
49%
47%
24%
29%
97%
87%

Students by Ethnicity:

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.
This School District
This State (CA)
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 Public Elementary Schools (2025)

School
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Washington Elementary School
(Math: 50-54% | Reading: 65-69%)
Rank:
9/
10
Top 20%
325 West Gladstone
Glendora, CA 91740
(626) 914-2704
Grades: K-6
| 392 students
Rank: #22.
Willow Elementary School
(Math: 50-54% | Reading: 55-59%)
Rank:
8/
10
Top 30%
1427 South Willow
Glendora, CA 91740
(626) 914-5839
Grades: K-6
| 356 students
Rank: #33.
Cedargrove Elementary School
(Math: 36% | Reading: 47%)
Rank:
7/
10
Top 50%
1209 North Glendora Ave.
Covina, CA 91724
(626) 966-8675
Grades: K-6
| 568 students
Rank: #44.
Glen Oak Elementary School
(Math: 30-34% | Reading: 35-39%)
Rank:
6/
10
Top 50%
1000 North Sunflower Ave.
Covina, CA 91724
(626) 331-5341
Grades: K-6
| 392 students
Rank: #55.
Oak Knoll Alternative
Alternative School
(Math: 20-24% | Reading: 45-49%)
Rank:
5/
10
Bottom 50%
1505 South Sunflower Ave.
Glendora, CA 91740
(626) 852-7972
Grades: K-12
| 112 students
Rank: #66.
Badillo Elementary School
(Math: 29% | Reading: 39%)
Rank:
5/
10
Bottom 50%
1771 East Old Badillo Ave.
Covina, CA 91724
(626) 966-1753
Grades: K-6
| 418 students

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Quick Stats (2025)

  • District size: 10 schools
  • Grades: KG-12
  • Enrollment: 4,235 students
  • Student:Teacher Ratio: 22:1
  • Minority Enrollment: 88%
  • : 97% (Top 5% in CA)
  • : Top 50%
  • : 36% (Top 50%)
  • : 49% (Top 50%)
  • : 24% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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