Garnet Valley HS
🇺🇸 Official data · 2025Glen Mills, Pennsylvania 19342 · Garnet Valley SD
#18 of 618 high schools in Pennsylvania
#300 of 16,910 nationally
About Garnet Valley HS
Garnet Valley HS is a public high located in Glen Mills, in the Garnet Valley SD school district of Pennsylvania, United States. It caters for Grades 9–12. In 2025 it enrolled 1,485 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 89.1 out of 100, placing it in the top 5% of high schools in United States and 18th of 618 ranked high schools in Pennsylvania. Its strongest component is community advantage (fewer free/reduced-price lunch) (95th percentile), and its weakest is students per teacher (67th percentile).
Other published figures: enrollment 1,485.
There are 4 schools in Glen Mills; Garnet Valley HS ranks 3rd of 4 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)83%
- Reading proficiency (30%)87%
- Community advantage (fewer free/reduced-price lunch) (25%)16%
- Students per teacher (15%)12.9
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Garnet Valley HS by the official sources.
- Enrollment
- 1,485
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 16%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 12.9
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 87%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 83%
- Share of tested students proficient or above (all students, all grades).
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Schools near Garnet Valley HS
Closest schools by straight-line distance, with their Success Index (US).
Garnet Valley MS
Glen Mills · Public middle · Grades 6–8
1,086 students · 987 m away
Garnet Valley El Sch
Glen Mills · Public elementary · Grades 3–5
700 students · 1.0 km away
Concord El Sch
Glen Mills · Public elementary · Grades K–2
617 students · 1.4 km away
Bethel Springs El Sch
Garnet Valley · Public elementary · Grades K–5
537 students · 2.8 km away
Concord High School
Wilmington · Public high · Grades 9–12
994 students · 4.5 km away
Lancashire Elementary School
Wilmington · Public elementary · Grades K–5
510 students · 4.9 km away
Aston El Sch
Aston · Public elementary · Grades K–5
405 students · 5.2 km away
Hanby Elementary School
Wilmington · Public elementary · Grades K–5
520 students · 5.5 km away
Talley Middle School
Wilmington · Public middle · Grades 6–12
900 students · 5.5 km away
Hilltop El Sch
Aston · Public elementary · Grades K–4
290 students · 6.0 km away
Similar schools
Public high schools in Pennsylvania with a comparable Enrollment.
Great Valley HS
Malvern · Public high · Grades 9–12
1,481 students
Wissahickon SHS
Ambler · Public high · Grades 9–12
1,480 students
Methacton HS
Eagleville · Public high · Grades 9–12
1,499 students
Pocono Mountain West HS
Pocono Summit · Public high · Grades 9–12
1,501 students
Whitehall HS
Whitehall · Public high · Grades 9–12
1,462 students
Williamsport Area SHS
Williamsport · Public high · Grades 9–12
1,462 students
Frequently asked questions
Is Garnet Valley HS a good school?
Garnet Valley HS has a Success Index (US) of 89.1 out of 100 (Top 5% of high schools in United States) and ranks #18 of 618 in Pennsylvania. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Garnet Valley HS rank in Pennsylvania?
Garnet Valley HS ranks #18 of 618 high schools in Pennsylvania and #300 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Garnet Valley HS?
Garnet Valley HS had 1,485 students in 2025.
Is Garnet Valley HS a elementary school or a high school?
Garnet Valley HS is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Garnet Valley HS?
There are 10 schools within 15 km of Garnet Valley HS; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.