Excellent
#26 of 2,846 schools in PA
Top 1% in state
Garnet Valley HS
High School · Garnet Valley Sd · Glen Mills, PA
A Garnet Valley Sd high school where students score 15 points above what's typical for similar communities.
552 Smithbridge Rd, Glen Mills, PA 19342
- Math 73% vs PA 42% (2024)
- Reading 91% vs PA 64% (2024)
- 96.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
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Students at Garnet Valley HS score 82% proficient, which is above what's typical for similar communities (expected: 67%).
2024 PSSA proficiency
Most recent published year. School vs. PA average.
Trend
→ SteadyProficiency has held near 82% across the 16-year record (2009–2024).
Show all 14 years
Multi-year averages used by the rating model: math 83% (multi-year average, 2009-2024) · reading/ELA 89% (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 26 test records from PA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
15.9%
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 rateThe neighborhood
Where Garnet Valley HS 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 Philadelphia map →
Getting around & local context
- Walk 7Car-Dependent
- Bike 21Somewhat Bikeable
Powered by
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$136,647
Median home value
$579,400
Median rent
$2,298/mo
College educated
55.4%
Homeownership
72.4%
Poverty rate
2.1%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 19342; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Concord High SchoolEnrollment path unverified | 7.5 | 9–12 | 2.8 mi | 1,015 | Compare → |
| Delaware County Technical High School - AstonEnrollment path unverified | 5.9 | 9–12 | 2.8 mi | 39 | Compare → |
| Concord Christian AcademyPrivate · tuition | 8.6private | PK–12 | 3.0 mi | 106 | Compare → |
| Chichester ShsEnrollment path unverified | 5.8 | 9–12 | 3.9 mi | 987 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Garnet Valley Sd
- Schools in district
- 5
- Rank in district
- #1 of 5
- District spending per student
- $22,767NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 2.8%Census SAIPE · 2024
Garnet Valley HS is listed in Garnet Valley SD; a district label does not verify attendance for an address.
About Garnet Valley HS
Garnet Valley HS is a public high school in Glen Mills, PA, part of Garnet Valley Sd, serving approximately 1,500 students in grades 9th-12th with a 12.9:1 student-teacher ratio. It holds a MySchoolScout rating of 9.4 out of 10 and ranks #26 of 2,846 schools in PA. State assessment records show 83% math proficiency (multi-year average, 2009-2024) and 89% reading/ELA proficiency (multi-year average, 2009-2024).
What's said publicly about Garnet Valley HS
Synthesized from public, attributable sources. Updated May 2026.
Sources (1)
Frequently asked questions
Common questions about Garnet Valley HS
What grades does Garnet Valley HS serve?
Garnet Valley HS serves students in grades 9th through 12th.
How many students attend Garnet Valley HS?
Garnet Valley HS has an enrollment of approximately 1,500 students.
What is the student-teacher ratio at Garnet Valley HS?
The student-teacher ratio at Garnet Valley HS is 12.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Garnet Valley HS rank in PA?
Garnet Valley HS ranks #26 of 2,846 schools in PA.
What is Garnet Valley HS's MySchoolScout rating?
Garnet Valley HS has a current MySchoolScout rating of 9.4 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 Garnet Valley HS?
Based on loaded state assessment records, Garnet Valley HS has 83% math proficiency (multi-year average, 2009-2024) and 89% reading/ELA proficiency (multi-year average, 2009-2024).
Is Garnet Valley HS a charter school?
No, Garnet Valley HS is not a charter school. It is a traditional public school operated by the local school district.
Is Garnet Valley HS a Title I school?
No, Garnet Valley HS is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Garnet Valley HS?
15.9% of students at Garnet Valley HS 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
- 1,500
- Student-Teacher Ratio
- 12.9:1
- Teachers (FTE)
- 116
- Type
- regular
- Setting
- Large Suburb
- County
- Delaware County
- Chronic Absenteeism (SY 2022-23)
- 10.8%
- Phone
- (610) 579-7745
- 4-Year Graduation
- 96.0%
- Area population (ZIP 19342)
- 20,654
- Area average commute
- 27.7 min
- Area median age
- 46.7
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 PSSA · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 PSSA. 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 PSSA · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 PSSA. 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 19342; 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
Related reading
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