Garnet Valley High School is a four-year public school in Glen Mills, Pennsylvania, U.S.A. It is part of Garnet Valley School District.
Serving 1,500 students in grades 9-12, Garnet Valley High School ranks in the top 20% of all schools in Pennsylvania for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 43% (which is higher than the Pennsylvania state average of 38%). The percentage of students achieving proficiency in reading/language arts is 91% (which is higher than the Pennsylvania state average of 55%).
The student-teacher ratio of 13:1 is equal to the Pennsylvania state level of 13:1.
Minority enrollment is 29% of the student body (majority Asian), which is lower than the Pennsylvania state average of 39% (majority Hispanic and Black).
Quick Facts (2025)
- Grades: 9-12
- Enrollment: 1,500 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 29%
- Graduation Rate: 98% (Top 1% in PA)
- Overall Testing Rank: Top 20%
- Math Proficiency: 43% (Top 50%)
- Reading Proficiency: 91% (Top 1%)
- Science Proficiency: <50% (Btm 50%)
- Source: National Center for Education Statistics (NCES), PA Dept. of Education
Top Rankings
Garnet Valley High School ranks among the top 20% of public schools in Pennsylvania for:
Category
Attribute
Overall Rank
Reading/Language Arts Proficiency
Graduation Rate
School Overview
Garnet Valley High School's student population of 1,500 students has declined by 7% over five school years.
The teacher population of 117 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
1,500 students
Gender %
Total Classroom Teachers
117 teachers
Colors
White, Garnet
Last Day of School
Mon. May 25, 2026
School Rankings
Garnet Valley High School ranks within the top 20% of all 2,733 schools in Pennsylvania (based off of combined math and reading proficiency testing data).
The diversity score of Garnet Valley High School is 0.46, which is less than the diversity score at state average of 0.59. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#535 out of 2733 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
43%
38%
Reading/Language Arts Test Scores (% Proficient)
91%
55%
Science Test Scores (% Proficient)
<50%
57%
Student-Teacher Ratio
13:1
13:1
American Indian
n/a
n/a
Asian
19%
5%
Hispanic
3%
15%
Black
3%
14%
White
71%
61%
Hawaiian
n/a
n/a
Two or more races
4%
5%
All Ethnic Groups
Graduation Rate
98%
87%
Eligible for Free Lunch
15%
60%
Eligible for Reduced Lunch
1%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), PA Dept. of Education
School Notes
- School Mascot: Jaguar
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Garnet Valley High School's ranking?
Garnet Valley High School is ranked #535 out of 2,733 schools, which ranks it among the top 20% of public schools in Pennsylvania.
What percent of students have achieved state testing proficiency in math and reading?
43% of students have achieved math proficiency (compared to the 38% PA state average), while 91% of students have achieved reading proficiency (compared to the 55% PA state average).
What is the graduation rate of Garnet Valley High School?
The graduation rate of Garnet Valley High School is 98%, which is higher than the Pennsylvania state average of 87%.
How many students attend Garnet Valley High School?
1,500 students attend Garnet Valley High School.
What is the racial composition of the student body?
71% of Garnet Valley High School students are White, 19% of students are Asian, 4% of students are Two or more races, 3% of students are Hispanic, and 3% of students are Black.
What is the student-teacher ratio of Garnet Valley High School?
Garnet Valley High School has a student ration of 13:1, which is equal to the Pennsylvania state average of 13:1.
What grades does Garnet Valley High School offer ?
Garnet Valley High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Garnet Valley High School part of?
Garnet Valley High School is part of Garnet Valley School District.
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