1
What's the vibe like in the hallways at Glendora High right now?
Community prompt from u/allk12. Replies below.
Enrollment
2,069
High
DISTRICT 1,087 · STATE 838
SCHOOL COMMUNITY·GLENDORA UNIFIED·NCES 061527001953
Glendora High
1600 East Foothill Blvd., Glendora, CA 91741 · (626) 963-5731 · Los Angeles County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL2,069 STUDENTS
B+
allk12 Grade
Scored higher than 69% of California public high schools
- A-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- CBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- AThree-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
Student : Teacher
24.1:1
86 FTE teachers
DISTRICT 17.4:1 · STATE 18.2:1
Free / Reduced Lunch
21%
439 students
DISTRICT 26% · 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
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 516 | 25% |
| Grade 10 | 492 | 24% |
| Grade 11 | 540 | 26% |
| Grade 12 | 521 | 25% |
Student demographics
65%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 65% · STATE 62% · US 70%
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
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
71.9%
CA avg 49.1% . -8.1pp since 2014
Math
54.7%
CA avg 37.7% . +2.7pp since 2014
What this means: On the CAASPP, California's statewide test, about 72 of every 100 students at this school read and write at grade level and about 55 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 8 points since 2014, while math scores are up about 3 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 36.0% | 36.0% | 17.4% | 10.7% |
| Math | 26.2% | 28.5% | 22.6% | 22.8% |
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 year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 71.9% | 54.7% |
| 2023-24 | 65.8% | 49.6% |
| 2022-23 | 67.1% | 47.3% |
| 2021-22 | 64.3% | 44.2% |
| 2018-19 | 72.1% | 63.9% |
| 2017-18 | 78.1% | 55.7% |
| 2016-17 | 78.1% | 58.2% |
| 2015-16 | 83.0% | 57.0% |
| 2014-15 | 80.0% | 52.0% |
% 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 · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
60.5%
composite math + reading, all grades
Predicted
67.1%
based on CA schools with similar FRL share
Beats by
-6.6pp
below demographic expectation
What this means: About 60% of students here test proficient in math and reading, compared with the roughly 67% 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 Glendora High
Glendora High's state test result (60.5% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Glendora High this school | 2,069 | 21.2% | 60.5% |
| Burroughs High Burbank | 2,283 | 26.6% | 58.0% |
| Bonita High La Verne | 1,911 | 25.6% | 75.5% |
| Livermore High Livermore | 1,827 | 23.5% | 47.0% |
| Hillsdale High San Mateo | 1,585 | 25.2% | 54.0% |
| Eastlake High Chula Vista | 2,557 | 22.5% | 64.9% |
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 Glendora High ranks
Among high schools| Measure | This school | In California | In Los Angeles County |
|---|---|---|---|
| State test proficiency ranked highest first | 60.5% | #169 of 1,052 | #39 of 228 |
| Math proficiency ranked highest first | 54.7% | #125 of 1,056 ▲ 26 | #31 of 229 ▲ 2 |
| Reading proficiency ranked highest first | 71.9% | #214 of 1,056 ▲ 104 | #44 of 229 ▲ 24 |
| 3-year test score change ranked biggest gain first | +9.0pp | #171 of 1,044 | #63 of 229 |
| Enrollment ranked largest first | 2,069 | #250 of 2,093 | #48 of 486 |
| Students per teacher ranked fewest first | 24.1:1 | #1,125 of 1,352 | #304 of 358 |
| Diversity index ranked most diverse first | 65.2% | #245 of 1,351 | #29 of 359 |
| Free and reduced lunch ranked highest share first | 21.2% | #1,480 of 1,575 | #378 of 396 |
| Enrollment change since 2017-18 ranked steepest decline first | -18.3% | #203 of 802 | #82 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 2024-25Enrollment
2,069
-297 (-13%) vs 2020
+15% since 1990-91, when it was 1,802
Student : Teacher
24.1:1
was 25.2:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 2,069 | 85.8 | 24.1:1 | 21% (439) |
| 2023-24 | 2,151 | 87.1 | 24.7:1 | 29% (623) |
| 2022-23 | 2,273 | 91.7 | 24.8:1 | 42% (955) |
| 2020-21 | 2,366 | 94 | 25.2:1 | 25% (592) |
| 2017-18 | 2,532 | 98.8 | 25.6:1 | 27% (685) |
| 2015-16 | 2,528 | 98 | 25.8:1 | 21% (533) |
| 2010-11 | 2,452 | N/A | N/A | 12% (303) |
| 2000-01 | 2,570 | 90 | 28.6:1 | 8% (209) |
| 1990-91 | 1,802 | 62 | 29.1:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Glendora High.
Since 2017-18: students down 18% (2,532 to 2,069); teachers down 13% (98.8 to 85.8).
About Glendora High
Glendora High is a large high school in Glendora Unified, located in Glendora, California. The school offers grades 9 through 12 and enrolls 2,069 students. Across high schools in California, the average enrollment is about 838.
The district, Glendora Unified, operates 9 schools serving 6,362 students.
Hispanic students account for 48% of enrollment at Glendora High, more than any other group. Other groups include 30% White, 13% Asian, and 6% multiracial. Los Angeles County residents are about 48% Hispanic, a similar share. Measured by the diversity index, the student body scores 65%.
The school has 85.8 full-time-equivalent teachers and a ratio of 24.1 students per teacher. The average for high schools in California is 18.2:1, so this school has more students per teacher. The school reported 21% of students eligible for free or reduced-price lunch in 2024-25. By comparison, the figure for public schools in Los Angeles County is 70%.
Glendora High holds a B+ allk12 Grade, placing it above 69% of California public high schools.
Based on its free or reduced-price lunch share, the BeatsExpectations model predicts an average proficiency rate across its state test results of 67.1% for Glendora High. The school posts 60.5%, 6.6 points below the prediction.
In the wider Los Angeles County area, median household income comes to about $90,112, 36% of adults hold a bachelor's degree or higher, and about 10% of residents live below the federal poverty line. Los Angeles County counts 2,244 public schools with about 1,265,907 students.
Sellers Elementary is about 0.9 miles away, making it the nearest public school. There are at least 8 more public schools inside five miles. Nearby schools average 64.8% on proficiency, and Glendora High is below that at 60.5%.
Glendora High falls in the Suburb: Large locale category, used for schools in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
Enrollment was 2,069 in 2024-25. In 2020-21, it was 2,366. Staffing shifted too: the ratio moved from 25.2:1 to 24.1:1.
On allk12, people connected to Glendora High can post about special education services, counseling, and support programs. Members of the school community can share what they know.
Los Angeles County at a glance
View full county profilePopulation
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
Related schools
Other schools in Glendora Unified
- Goddard MiddleMiddle · 728 students
- Sandburg MiddleMiddle · 695 students
- La Fetra ElementaryElementary · 613 students
- Cullen ElementaryElementary · 569 students
- Stanton ElementaryElementary · 551 students
- Sellers ElementaryElementary · 545 students
Other schools in Glendora
- Goddard MiddleMiddle · 728 students
- Sandburg MiddleMiddle · 695 students
- La Fetra ElementaryElementary · 613 students
- Cullen ElementaryElementary · 569 students
- Stanton ElementaryElementary · 551 students
- Sellers ElementaryElementary · 545 students
Nearby schools
- Sellers Elementary0.9 mi · 545
- Sutherland Elementary1.1 mi · 488
- Cullen Elementary1.2 mi · 569
- Goddard Middle1.2 mi · 728
- Gladstone Elementary1.4 mi · 518
- Willow Elementary1.5 mi · 388
Frequently asked questions
About Glendora HighHow large is Glendora High?
Glendora High enrolls approximately 2,069 students in grades 09-12.
What grades does Glendora High serve?
Glendora High serves grades 09-12.
What is the student-teacher ratio at Glendora High?
The student-to-teacher ratio at Glendora High is approximately 24.1:1 (86 FTE teachers).
What is the racial breakdown of students at Glendora High?
At Glendora High, the student body is approximately 30% White, 48% Hispanic, 2% Black, 13% Asian, 6% Two or more.
What district is Glendora High in?
Glendora High is part of Glendora Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.