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
174,000 Teachers
Student : Teacher Ratio
22:1
22:1
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.
Overall District Rank
#641 out of 1941 school districts
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
36%
33%
Reading/Language Arts Test Scores (% Proficient)
49%
47%
Science Test Scores (% Proficient)
24%
29%
Graduation Rate
97%
87%
Students by Ethnicity:
Diversity Score
0.43
0.64
# American Indian Students
19 Students
16,785 Students
% American Indian Students
1%
1%
# Asian Students
308 Students
454,357 Students
% Asian Students
7%
12%
# Hispanic Students
3,149 Students
2,114,366 Students
% Hispanic Students
74%
55%
# Black Students
109 Students
189,461 Students
% Black Students
3%
5%
# White Students
510 Students
787,389 Students
% White Students
12%
21%
# Hawaiian Students
4 Students
15,077 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
131 Students
240,557 Students
% of Two or more races Students
3%
6%
Students by Grade:
# Students in PK Grade:
-
83
# Students in K Grade:
383
519,574
# Students in 1st Grade:
274
396,601
# Students in 2nd Grade:
273
414,466
# Students in 3rd Grade:
289
416,628
# Students in 4th Grade:
326
426,360
# Students in 5th Grade:
293
430,582
# Students in 6th Grade:
327
432,936
# Students in 7th Grade:
300
312,207
# Students in 8th Grade:
336
312,649
# Students in 9th Grade:
339
44,929
# Students in 10th Grade:
374
37,487
# Students in 11th Grade:
361
37,249
# Students in 12th Grade:
360
41,169
# Ungraded Students:
-
-
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 Public Elementary Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
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
Grades: K-6
| 392 students
Rank: #22.
Willow Elementary School
(Math: 50-54% | Reading: 55-59%)
Rank:
Rank:
8/
Top 30%10
1427 South Willow
Glendora, CA 91740
(626) 914-5839
Glendora, CA 91740
(626) 914-5839
Grades: K-6
| 356 students
Rank: #33.
Cedargrove Elementary School
(Math: 36% | Reading: 47%)
Rank:
Rank:
7/
Top 50%10
1209 North Glendora Ave.
Covina, CA 91724
(626) 966-8675
Covina, CA 91724
(626) 966-8675
Grades: K-6
| 568 students
Rank: #44.
Glen Oak Elementary School
(Math: 30-34% | Reading: 35-39%)
Rank:
Rank:
6/
Top 50%10
1000 North Sunflower Ave.
Covina, CA 91724
(626) 331-5341
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:
Rank:
5/
Bottom 50%10
1505 South Sunflower Ave.
Glendora, CA 91740
(626) 852-7972
Glendora, CA 91740
(626) 852-7972
Grades: K-12
| 112 students
Rank: #66.
Badillo Elementary School
(Math: 29% | Reading: 39%)
Rank:
Rank:
5/
Bottom 50%10
1771 East Old Badillo Ave.
Covina, CA 91724
(626) 966-1753
Covina, CA 91724
(626) 966-1753
Grades: K-6
| 418 students
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