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 10 public schools serving 4,235 students in Charter Oak Unified School District. This district's average testing ranking is 7/10, which is in the top 50% of public schools in California.
Public Schools in Charter Oak Unified School District have an average math proficiency score of 36% (versus the California public school average of 33%), and reading proficiency score of 50% (versus the 47% statewide average).
Minority enrollment is 88% of the student body (majority Hispanic), which is more than the California public school average of 80% (majority Hispanic).

Overview

This School District
This State (CA)
# Schools
10 Schools
10,417 Schools
# Students
4,235 Students
5,836,351 Students
# Teachers
191 Teachers
268,443 Teachers
Student : Teacher Ratio
22:1
22:1

District Rank

Charter Oak Unified School District, which is ranked #624 of all 1,930 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%)
This chart displays the overall district rank of Charter Oak Unified  School District, with the latest 2021-22 school year data.
36%
33%
This chart displays the percentage of public school students that scored at or above 'proficient' levels in Math of Charter Oak Unified  School District and the percentage of public school students that scored at or above 'proficient' levels in Math of California by year, with the latest 2021-22 school year data.
49%
47%
This chart displays the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Charter Oak Unified  School District and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of California by year, with the latest 2021-22 school year data.
24%
29%
97%
87%
This chart displays public school graduation rate of Charter Oak Unified  School District and public school graduation rate of California by year, with the latest 2021-22 school year data.

Students by Ethnicity:

0.43
0.63
# American Indian Students
19 Students
25,834 Students
% American Indian Students
1%
1%
# Asian Students
308 Students
706,211 Students
% Asian Students
7%
12%
# Hispanic Students
3,149 Students
3,270,518 Students
% Hispanic Students
74%
56%
# Black Students
109 Students
286,712 Students
% Black Students
3%
5%
# White Students
510 Students
1,179,835 Students
% White Students
12%
20%
# Hawaiian Students
4 Students
23,773 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
131 Students
334,411 Students
% of Two or more races Students
3%
6%

Students by Grade:

# Students in PK Grade:
-
83
# Students in K Grade:
383
523,125
# Students in 1st Grade:
274
397,228
# Students in 2nd Grade:
273
415,060
# Students in 3rd Grade:
289
417,145
# Students in 4th Grade:
326
426,889
# Students in 5th Grade:
293
431,136
# Students in 6th Grade:
327
433,928
# Students in 7th Grade:
300
440,614
# Students in 8th Grade:
336
442,869
# Students in 9th Grade:
339
466,920
# Students in 10th Grade:
374
477,112
# Students in 11th Grade:
361
470,060
# Students in 12th Grade:
360
494,182
# Ungraded Students:
-
-

District Revenue and Spending

The revenue/student of $16,544 in this school district is less than the state median of $19,942. 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 $18,366. 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
This chart displays total revenue of Charter Oak Unified  School District and median value from total revenues of all school districts in California by year, with the latest 2020-21 school year data.
Spending
$67 MM
$107,188 MM
This chart displays total spending of Charter Oak Unified  School District and median value from total spendings of all school districts in California by year, with the latest 2020-21 school year data.
Revenue / Student
$16,544
$19,942
This chart displays average revenue per public school student in Charter Oak Unified  School District and average revenue per public school student of all school districts in California by year, with the latest 2020-21 school year data.
Spending / Student
$15,883
$18,366
This chart displays average spending per public school student in Charter Oak Unified  School District and average spending per public school student of all school districts in California by year, with the latest 2020-21 school year data.

Best Charter Oak Unified School District Public 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.
Royal Oak Middle School
(Math: 42% | Reading: 51%)
Rank:
7/
10
Top 50%
303 South Glendora Ave.
Covina, CA 91724
(626) 967-6354
Grades: 7-8
| 607 students
Rank: #44.
Bridges Community Day
Alternative School
(Math: <50% | Reading: <50% )
Rank:
7/
10
Top 50%
1505 South Sunflower Ave.
Glendora, CA 91740
(626) 914-3961
Grades: 7-12
| 14 students
Rank: #55.
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: #66.
Charter Oak High School
Charter School
(Math: 25% | Reading: 56%)
Rank:
6/
10
Top 50%
1430 East Covina Blvd.
Covina, CA 91724
(626) 915-5841
Grades: 9-12
| 1,299 students
Rank: #77.
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: #88.
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: #99.
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
Rank: #1010.
Arrow High (Continuation School)
Alternative School
(Math: ≤10% | Reading: 20-29%)
Rank:
2/
10
Bottom 50%
1505 South Sunflower Ave.
Glendora, CA 91740
(626) 914-3961
Grades: 9-12
| 77 students

Frequently Asked Questions

How many schools belong to Charter Oak Unified School District?
Charter Oak Unified School District manages 10 public schools serving 4,235 students.
What is the rank of Charter Oak Unified School District?
Charter Oak Unified School District is ranked #624 out of 1,930 school districts in California (top 50%) based off of combined math and reading proficiency testing data for the 2021-2022 school year. This district ranks in the top 20% of California school districts for: Highest graduation rate (Top 5%) and Largest student body (number of students) (Top 1%)
What is the racial composition of students in Charter Oak Unified School District?
74% of Charter Oak Unified School District students are Hispanic, 12% of students are White, 7% of students are Asian, 3% of students are Black, 3% of students are Two or more races, and 1% of students are American Indian.
What is the student/teacher ratio of Charter Oak Unified School District?
Charter Oak Unified School District has a student/teacher ratio of 22:1, which is equal to the California state average of 22:1.
What is Charter Oak Unified School District's spending/student ratio?
The school district's spending/student of $15,883 is less than the state median of $18,366. The school district spending/student has stayed relatively flat over four school years.

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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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