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SCHOOL COMMUNITY·CHARTER OAK UNIFIED·NCES 060819000801

Charter Oak High

1430 East Covina Blvd., Covina, CA 91724 · (626) 915-5841 · Los Angeles County
GRADES 09–12HIGH21-SUBURBTITLE IREGULAR SCHOOL1,259 STUDENTS
B
allk12 Grade
Scored higher than 62% of California public high schools
  • BTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • BBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • B-Three-year trend Change in reading and math proficiency over the last three test years.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded California public high schools

Enrollment
1,259
High
DISTRICT 444 · STATE 838
Student : Teacher
22.1:1
57 FTE teachers
DISTRICT 12.0:1 · STATE 18.2:1
Free / Reduced Lunch
69%
875 students
DISTRICT 74% · STATE 65%
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 930925%
Grade 1033126%
Grade 1132426%
Grade 1229523%
Student demographics
41%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 42% · STATE 62% · US 70%
White
14311%
DISTRICT 12% · STATE 20% · US 43%
Hispanic
94675%
DISTRICT 75% · STATE 56% · US 30%
Black
393%
DISTRICT 3% · STATE 5% · US 15%
Asian
947%
DISTRICT 7% · STATE 12% · US 6%
Two+
292%
DISTRICT 3% · STATE 6% · US 5%
Native American
50%
DISTRICT 0% · STATE 0% · US 1%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
67954%
Female
57746%

Discussions

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Test scores

CAASPP 2024-25 . % met or exceeded standard
English Language Arts
60.6%
CA avg 49.1% . -4.4pp since 2014
Math
26.6%
CA avg 37.7% . -13.4pp since 2014

What this means: On the CAASPP, California's statewide test, about 61 of every 100 students at this school read and write at grade level and about 27 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are down about 4 points since 2014, while math scores are down about 13 points.

Performance levels, 2024-25

SubjectStandard ExceededStandard MetStandard Nearly MetStandard Not Met
English Language Arts25.9%34.7%21.9%17.5%
Math9.8%16.8%23.2%50.2%
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.

CAASPP results by year

School yearEnglish Language ArtsMath
2024-2560.6%26.6%
2023-2462.0%22.2%
2022-2364.4%30.6%
2021-2256.8%25.1%
2020-2158.8%46.4%
2018-1962.3%36.4%
2017-1847.0%28.6%
2016-1757.2%35.4%
2015-1663.0%31.0%
2014-1565.0%40.0%
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
42.9%
composite math + reading, all grades
Predicted
38.8%
based on CA schools with similar FRL share
Beats by
+4.0pp
above demographic expectation

What this means: About 43% of students here test proficient in math and reading, compared with the roughly 39% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like Charter Oak High

Charter Oak High's state test result (42.9% proficient) is higher than 4 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Charter Oak High this school1,25969.5%42.9%
Del Mar High
San Jose
1,35069.6%36.8%
Piner High
Santa Rosa
1,43464.4%27.1%
Pioneer High
Woodland
1,58271.1%36.4%
Covina High
Covina
1,05672.0%37.1%
Sonora High
La Habra
1,77966.5%54.1%
Matched among California high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Charter Oak High ranks

Among high schools
MeasureThis schoolIn CaliforniaIn Los Angeles County
State test proficiency
ranked highest first
42.9%#458 of 1,052#101 of 228
Math proficiency
ranked highest first
26.6%#495 of 1,056
▲ 56
#117 of 229
▼ 2
Reading proficiency
ranked highest first
60.6%#460 of 1,056
▼ 71
#104 of 229
▼ 17
3-year test score change
ranked biggest gain first
+2.6pp#484 of 1,044#139 of 229
Enrollment
ranked largest first
1,259#659 of 2,093#137 of 486
Students per teacher
ranked fewest first
22.1:1#868 of 1,352#257 of 358
Diversity index
ranked most diverse first
41.3%#817 of 1,351#145 of 359
Free and reduced lunch
ranked highest share first
69.5%#882 of 1,575#291 of 396
Enrollment change since 2017-18
ranked steepest decline first
-16.8%#245 of 802#96 of 227
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
1,259
-147 (-10%) vs 2020
-18% since 1990-91, when it was 1,542
Student : Teacher
22.1:1
was 24.2:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-251,25957.122.1:169% (875)
2023-241,29958.822.1:169% (894)
2022-231,32958.922.6:161% (810)
2020-211,4065824.2:149% (682)
2017-181,51460.125.2:152% (780)
2015-161,6456326.1:150% (825)
2010-111,910N/AN/A32% (610)
2000-011,8996927.5:116% (302)
1990-911,5426025.7:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Charter Oak High.

Since 2017-18: students down 17% (1,514 to 1,259); teachers down 5% (60.1 to 57.1).

About Charter Oak High

Charter Oak High is a large high school in Covina, California, (ZIP code 91724). The school serves 1,259 students in grades 9 through 12 in 2024-25. For comparison, high schools in California average about 838 students.

District-wide, Charter Oak Unified has 10 schools and 4,296 students.

A majority of students at Charter Oak High, 75%, are Hispanic. The rest of enrollment is 11% White, 7% Asian, 3% Black, and 2% multiracial. Among all residents of Los Angeles County, the Hispanic share is about 48%. The chance that two students picked at random at Charter Oak High belong to different racial or ethnic groups, known as the diversity index, is 41%.

Charter Oak High employs 57.1 full-time-equivalent teachers. That gives a ratio of about 22.1:1. The average ratio among high schools in California is 18.2:1, lower than at this school. Charter Oak High's free or reduced-price lunch eligibility rate is 69%. Across public schools in Los Angeles County, the average is about the same, 70%.

Measured against California public high schools, Charter Oak High receives a B. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.

The school's average proficiency rate on state tests is 42.9%. For its free or reduced-price lunch share, the predicted value is 38.8%.

Los Angeles County census figures show that median household income is about $90,112, about 36% of adults have at least a bachelor's degree, and the poverty rate is about 10%. A total of 2,244 public schools operate in Los Angeles County, serving about 1,265,907 students.

Cedargrove Elementary is the public school closest to Charter Oak High, about 0.2 miles away. Inside a five-mile radius, there are at least 8 other public schools. On average proficiency, Charter Oak High is 3rd of 7 nearby schools with test data.

NCES describes the area around Charter Oak High as Suburb: Large, meaning in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

From 2020-21 to 2024-25, Charter Oak High went from 1,406 students to 1,259. By 2024-25, the school had 22.1 students per teacher, compared with 24.2 in 2020-21.

Families, students, and staff can use this page to discuss sports schedules, lunch menus, and spirit week at Charter Oak High. Anyone with firsthand experience at this school can post or comment.

Los Angeles County at a glance

View full county profile
Population
9,808,667
Census ACS
Median income
$90,112
Household, ACS
Bachelor's+
36%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
2,244
1,265,907 students

Quick facts

School name
Charter Oak High
District
Charter Oak Unified
Address
1430 East Covina Blvd., Covina, CA 91724
Phone
(626) 915-5841
County
Los Angeles County
Level
High
Grade range
09–12
Total enrollment
1,259
Teachers (FTE)
57
Student–teacher ratio
22.1:1
Free and reduced lunch
875 (69%)
Locale
21-Suburb: Large
NCES ID
060819000801
Charter school
No
Virtual school
No

Related schools

Other schools in Charter Oak Unified
Other schools in Covina
Nearby schools

Frequently asked questions

About Charter Oak High
How many students attend Charter Oak High?
Charter Oak High enrolls approximately 1,259 students in grades 09-12.
What age range does Charter Oak High serve?
Charter Oak High serves students from grade 09 through grade 12.
What is the student-teacher ratio at Charter Oak High?
The student-to-teacher ratio at Charter Oak High is approximately 22.1:1 (57 FTE teachers).
What is the racial breakdown of students at Charter Oak High?
At Charter Oak High, the student body is approximately 11% White, 75% Hispanic, 3% Black, 7% Asian, 2% Two or more.
What district is Charter Oak High in?
Charter Oak High is part of Charter Oak Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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