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Very Good

#3475 of 9,539 schools in CA

Top 36% in state

Glendora High

High School · Glendora Unified · Glendora, CA

A Glendora Unified high school serving grades 9th – 12th.

1600 East Foothill Blvd., Glendora, CA 91741

  • Math 50% vs CA 32% (2024)
  • Reading 66% vs CA 52% (2024)
  • 98.0% 4-year graduation

Academics

Full Profile · 4/4 metrics
Student Progress7.7Very Good25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-0.91 pts/yr
Data Period2009–2024
TrendStable
Academics7.8Very Good25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency49.6% (2024 CAASPP)
Reading/ELA Proficiency65.8% (2024 CAASPP)
Math vs. State Avg+21.6 pts
Reading vs. State Avg+9.9 pts
Overall Proficiency58% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)58% (model expectation from 2024 CAASPP)
vs. Expected-0.4 pts
Adjusted Percentile67th
College Readiness7.7Very Good30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate98%
AP Participation22.7%
IB ProgramNo
Resources & Environment4.1Below Average20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio24.7:1
District spending per student$13,641
Chronic Absenteeism15.4%

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

How we calculate scores →

2024 CAASPP proficiency

Most recent published year. School vs. CA average.

Math Proficiency50%(2024 CAASPP)
School
State
32%(2024 CAASPP)
ELA Proficiency66%(2024 CAASPP)
School
State
52%(2024 CAASPP)

Trend

↓ Declining

Proficiency has fallen 10 points since 2019, to 58% in 2024, across a 16-year record (2009–2024).

Show all 14 years
2009
Math
74%
ELA
76%
2010
Math
78%
ELA
77%
2011
Math
74%
ELA
72%
2012
Math
75%
ELA
72%
2013
Math
80%
ELA
76%
2014
Math
52%
ELA
80%
2015
Math
57%
ELA
83%
2016
Math
58%
ELA
78%
2017
Math
55%
ELA
77%
2018
Math
64%
ELA
72%
2019
Math
64%
ELA
72%
2020*
Math
75%
ELA
75%
2021*
Math
75%
ELA
75%
2024
Math
50%
ELA
66%

Multi-year averages used by the rating model: math 65% (multi-year average, 2009-2024) · reading/ELA 74% (multi-year average, 2009-2024)

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

Based on 30 test records from CA state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

29%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Glendora High sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Los Angeles map →

Getting around & local context

  • Walk 40Car-Dependent
  • Transit 33Some Transit
  • Bike 38Somewhat Bikeable
  • City Safety: High2,184/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Glendora), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$127,063

Median home value

$923,700

Median rent

$2,212/mo

College educated

47.3%

Homeownership

72%

Poverty rate

4.3%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 91741; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

AP/IB Programs2AP courses offered
22.7% participation·State avg: 2.6 AP courses·CRDC via Urban Institute · SY 2021–22
Athletics6sports offered
2 boys'·4 girls'·15 teams (incl. JV)·CRDC via Urban Institute · SY 2021–22
Advanced STEM Courses5of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC via Urban Institute · SY 2021–22
Gifted & Talented ProgramAvailable
This school offers a gifted and talented program for qualifying students.·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Arrow High (continuation)Enrollment path unverified7.49–121.7 mi77Compare →
Bridges Community DayEnrollment path unverifiedNot rated7–121.7 mi14Compare →
Oak Knoll AlternativeEnrollment path unverified5.3K–121.7 mi112Compare →
Chaparral High (continuation)Enrollment path unverified6.69–121.9 mi76Compare →

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Glendora Unified

Schools in district
10
Rank in district
#2 of 9
District spending per student
$13,641NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
7.3%Census SAIPE · 2024

Glendora High is listed in Glendora Unified; a district label does not verify attendance for an address.

About Glendora High

Glendora High is a public high school in Glendora, CA, part of Glendora Unified, serving approximately 2,151 students in grades 9th-12th with a 24.7:1 student-teacher ratio. It holds a MySchoolScout rating of 7.0 out of 10 and ranks #3,475 of 9,539 schools in CA. State assessment records show 65% math proficiency (multi-year average, 2009-2024) and 74% reading/ELA proficiency (multi-year average, 2009-2024).

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 ranks #3,475 of 9,539 schools in CA.

What is Glendora High's MySchoolScout rating?

Glendora High has a current MySchoolScout rating of 7.0 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Glendora High?

Based on loaded state assessment records, Glendora High has 65% math proficiency (multi-year average, 2009-2024) and 74% reading/ELA proficiency (multi-year average, 2009-2024).

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.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
9th – 12th
Enrollment
2,151
Student-Teacher Ratio
24.7:1
Teachers (FTE)
87
Type
regular
Setting
Large Suburb
County
Los Angeles County
Chronic Absenteeism (SY 2022-23)
15.4%
4-Year Graduation
98.0%
Area population (ZIP 91741)
26,166
Area average commute
32.5 min
Area median age
42.4
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 91741; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24

About our data · How we calculate scores

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