Glendora High School is located in Glendora, Los Angeles County, California, United States.
Serving 2,151 students in grades 9-12, Glendora High School ranks in the top 30% of all schools in California for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 44% (which is higher than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 64% (which is higher than the California state average of 47%).
The student:teacher ratio of 25:1 is higher than the California state level of 21:1.
Minority enrollment is 69% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 2,151 students
- Student:Teacher Ratio: 25:1
- Minority Enrollment: 69%
- Graduation Rate: ≥99% (Top 1% in CA)
- Overall Testing Rank: Top 30%
- Math Proficiency: 44% (Top 30%)
- Reading Proficiency: 64% (Top 20%)
- Science Proficiency: 37% (Top 30%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Glendora High School ranks among the top 20% of public schools in California for:
Category
Attribute
Reading/Language Arts Proficiency
Graduation Rate
School Overview
Glendora High School's student population of 2,151 students has declined by 9% over five school years.
The teacher population of 87 teachers has declined by 8% over five school years.
Grades Offered
Grades 9-12
Total Students
2,151 students
Gender %
Total Classroom Teachers
87 teachers
Year Founded
1958
Colors
White, Black, Scarlet
School Calendar
School Rankings
Glendora High School ranks within the top 30% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Glendora High School is 0.66, which is more than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#2117 out of 9602 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
44%
33%
Reading/Language Arts Test Scores (% Proficient)
64%
47%
Science Test Scores (% Proficient)
37%
29%
Student : Teacher Ratio
25:1
21:1
American Indian
n/a
1%
Asian
13%
12%
Hispanic
48%
56%
Black
2%
5%
White
31%
20%
Hawaiian
n/a
n/a
Two or more races
6%
6%
All Ethnic Groups
Graduation Rate
≥99%
87%
Eligible for Free Lunch
27%
54%
Eligible for Reduced Lunch
2%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Glendora High School's ranking?
Glendora High School is ranked #2117 out of 9,602 schools, which ranks it among the top 30% of public schools in California.
What schools are Glendora High School often compared to?
Glendora High Schoolis often viewed alongside schools like San Dimas High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
44% of students have achieved math proficiency (compared to the 33% CA state average), while 64% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Glendora High School?
The graduation rate of Glendora High School is 99%, which is higher than the California state average of 87%.
How many students attend Glendora High School?
2,151 students attend Glendora High School.
What is the racial composition of the student body?
48% of Glendora High School students are Hispanic, 31% of students are White, 13% of students are Asian, 6% of students are Two or more races, and 2% of students are Black.
What is the student:teacher ratio of Glendora High School?
Glendora High School has a student ration of 25:1, which is higher than the California state average of 21:1.
What grades does Glendora High School offer ?
Glendora High School offers enrollment in grades 9-12
What school district is Glendora High School part of?
Glendora High School is part of Glendora Unified School District.
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