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#5766 of 9,533 schools in CA

Glendora High

High School · Glendora Unified

1600 East Foothill Blvd., Glendora, CA 91741

Enrollment

2,151

Student-Teacher

24.7:1

Score

5.9

Grades

9th – 12th

Updated 2022-23

How this school compares

In Glendora

#7 of 13

public schools

California high schools

#1,235 of 1,892

In district

#5 of 9

Glendora Unified

Equity

8.1 / 10

Very strong

About Glendora High

Glendora High serves 2,151 students in grades 9-12 as a comprehensive public high school in Glendora, California. With 87 full-time equivalent teachers, the school maintains a student-teacher ratio of 24.7:1, providing a typical high school learning environment in this Los Angeles County community. The school demonstrates solid academic performance, earning a MySchoolScout rating of 7.1 out of 10 and ranking in the 74th percentile among California high schools at #2486 out of 9,566 schools statewide.

Students show strong literacy skills with 66% achieving proficiency or above in English Language Arts and Reading across all grade levels. In mathematics, 50% of students perform at proficient levels or higher, indicating steady academic progress with continued opportunities for growth in STEM subjects. Located at 1600 East Foothill Boulevard, Glendora High sits in an affluent suburban community where the median household income reaches $117,252 and 45% of residents hold bachelor's degrees or higher.

The surrounding ZIP code 91741 maintains a low poverty rate of just 5.4%, with median home values of $875,100 reflecting the area's desirability. The school serves this established suburban community nestled in the foothills of the San Gabriel Mountains.

What Parents Should Know

Glendora High is a large school with 2,151 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.

The student-teacher ratio at Glendora High is 24.7:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress3.6Fair25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-2.24 pts/yr
Data Period2019–2024
TrendDeclining
Academics7.8Very Good25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency49.6%
Reading/ELA Proficiency65.8%
Math vs. State Avg+21.6 pts
Reading vs. State Avg+9.9 pts
Overall Proficiency58%
Expected (poverty-adj.)59%
vs. Expected-1.1 pts
Adjusted Percentile67th
College Readiness8.3Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation22.7%
IB ProgramNo
Resources & Environment2.7Needs Improvement20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio24.7:1
Per-Pupil Spending$12,537

Glendora High — Students at Glendora High score 58% proficient, which is below what's typical for similar communities (expected: 59%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

29%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 59.6%
School
State
31.8%
ELA Proficiency 69.7%
School
State
51.5%

Based on 8 test records from CA state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
64%
ELA
72%
2021*
Math
75%
ELA
75%
2024
Math
49.6%
ELA
65.8%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 3.6/10.

How Glendora High Compares

See how Glendora High performs across key quality dimensions compared to state benchmarks.

Overall Score
5.9/10
40th percentile in CA
Academic
7.8/10
7.8/10
Growth
3.6/10
Below average
Environment
2.7/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
29%
Teaching Staff
25:1 student-teacher ratio
87 teachers

Location

1600 East Foothill Blvd., Glendora, CA 91741

Nearby Alternatives

Families considering Glendora High may also want to explore other high schools in the area. Chaparral High (Continuation) (rated 7.0/10, 1.9 miles away, in nearby San Dimas), which scores notably higher. Additionally, Arrow High (Continuation) (rated 5.4/10, 1.7 miles away), with a comparable rating. For more schools in Glendora, see our Glendora schools guide .

Nearby Schools

20 within 1.9 mi
School Distance Rating
ST DOROTHY CATHOLIC SCHOOL Glendora 0.2 mi 5.6
St. Dorothy Elementary School Glendora 0.2 mi
HOPE LUTHERAN ELEMENTARY SCHOOL Glendora 0.7 mi 6.9
Hope Lutheran Elementary Glendora 0.7 mi
Sellers Elementary Glendora 0.9 mi 5.3
REAL LIFE LA PRESCHOOL AND KINDERGARTEN Glendora 0.9 mi
Sutherland Elementary Glendora 1.1 mi 6.5
Goddard Middle Glendora 1.2 mi 6.3
Cullen Elementary Glendora 1.2 mi 6.2
Gladstone Elementary San Dimas 1.4 mi 7.2
Willow Elementary Glendora 1.5 mi 8.8
Arma J. Shull Elementary San Dimas 1.5 mi 7.2
ARROW MONTESSORI SCHOOL OF SAN DIMAS San Dimas 1.6 mi 6.2
Arrow Montessori School of San Dimas San Dimas 1.6 mi
Arrow High (Continuation) Glendora 1.7 mi 5.4
Oak Knoll Alternative Glendora 1.7 mi 5.4
Bridges Community Day Glendora 1.7 mi
DOVE DAY SCHOOL- EDUCATIONAL PROGRAMS- INC. San Dimas 2.0 mi
Chaparral High (Continuation) San Dimas 1.9 mi 7.0
Vista (Alternative) San Dimas 1.9 mi

Neighborhood Census ACS (2019-2023)

Census data for ZIP 91741 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$127,063

Median Home Value

$923,700

Median Rent

$2,212/mo

Population

26,166

College Educated

47.3%

Homeownership

72%

Avg Commute

32.5 min

Poverty Rate

4.3%

Median Age

42.4

Community Profile

The community surrounding Glendora High has a median household income of $127,063. It is a well-educated community where 47% of adults hold a bachelor's degree or higher. The median home value in the area is $923,700, with a median rent of $2,212/month. The local poverty rate of 4.3% is relatively low. The average commute for residents is 33 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Chino High Chino, CA 5.9
East Bakersfield High Bakersfield, CA 5.9
Excelsior Charter Victorville, CA 5.9
Fred C. Beyer High Modesto, CA 5.9
Golden Valley High Merced, CA 5.9
Hanford West High Hanford, CA 5.9

Frequently Asked Questions

Common questions about Glendora High

What grades does Glendora High serve?

Glendora High serves students in grades 9th through 12th.

How many students attend Glendora High?

Glendora High has an enrollment of approximately 2,151 students.

What is the student-teacher ratio at Glendora High?

The student-teacher ratio at Glendora High is 24.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Glendora High rank in CA?

Glendora High is ranked #5766 out of 9,533 schools in CA.

What is Glendora High's MySchoolScout rating?

Glendora High has a composite rating of 5.9 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Glendora High?

Based on the most recent state assessment data, Glendora High has 59.6% math proficiency and 69.7% reading/ELA proficiency.

Is Glendora High a charter school?

No, Glendora High is not a charter school. It is a traditional public school operated by the local school district.

Is Glendora High a Title I school?

No, Glendora High is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Glendora High?

29.0% of students at Glendora High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
37 Car-Dependent
Transit Score
33 Some Transit
Bike Score
38 Somewhat Bikeable
City Safety
High (2,184/100K)

Powered by Walk Score

FBI UCR 2024. City-level (Glendora). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
2,151
Student-Teacher Ratio
24.7:1
Teachers (FTE)
87
Free/Reduced Lunch
29.0%
Type
regular
Setting
Large Suburb
County
Los Angeles County
Data Year
2023–2024

District

Glendora Unified
District Enrollment
6,363
Schools in District
10
Per-Pupil Spending
$13,641
District Rank
#5 of 9

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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