Sun Valley HS
🇺🇸 Official data · 2025Aston, Pennsylvania 19014 · Penn-Delco SD
#120 of 618 high schools in Pennsylvania
#1574 of 16,910 nationally
About Sun Valley HS
Sun Valley HS is a public high located in Aston, in the Penn-Delco SD school district of Pennsylvania, United States. It caters for Grades 9–12. In 2025 it enrolled 1,042 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 78.1 out of 100, placing it in the top 10% of high schools in United States and 120th of 618 ranked high schools in Pennsylvania. Its strongest component is math proficiency (87th percentile), and its weakest is students per teacher (63th percentile).
Other published figures: enrollment 1,042.
There are 5 schools in Aston; Sun Valley HS ranks 3rd of 5 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)74%
- Reading proficiency (30%)79%
- Community advantage (fewer free/reduced-price lunch) (25%)38.9%
- Students per teacher (15%)13.4
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 Sun Valley HS by the official sources.
- Enrollment
- 1,042
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 38.9%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 13.4
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 79%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 74%
- Share of tested students proficient or above (all students, all grades).
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near Sun Valley HS
Closest schools by straight-line distance, with their Success Index (US).
Northley MS
Aston · Public middle · Grades 6–8
748 students · 391 m away
Pennell El Sch
Aston · Public elementary · Grades K–5
415 students · 1.2 km away
Hilltop El Sch
Aston · Public elementary · Grades K–4
290 students · 1.9 km away
Toby Farms Intermediate School
Chester Twp · Public middle · Grades 4–8
359 students · 2.1 km away
Coebourn El Sch
Brookhaven · Public elementary · Grades K–5
319 students · 2.5 km away
Aston El Sch
Aston · Public elementary · Grades K–5
405 students · 2.6 km away
Chester Charter Scholars Academy CS
Chester · Charter other · Grades K–12
701 students · 2.7 km away
Main Street Sch
Upland · Public elementary · Grades PK–5
340 students · 2.8 km away
Chichester SHS
Boothwyn · Public high · Grades 9–12
981 students · 3.0 km away
Parkside El Sch
Parkside · Public elementary · Grades K–5
252 students · 3.3 km away
Similar schools
Public high schools in Pennsylvania with a comparable Enrollment.
Thomas Jefferson HS
Jefferson Hills · Public high · Grades 9–12
1,041 students
Mars Area SHS
Mars · Public high · Grades 9–12
1,044 students
Penn Hills SHS
Pittsburgh · Public high · Grades 9–12
1,049 students
Hershey HS
Hershey · Public high · Grades 9–12
1,050 students
Mifflin Co HS
Lewistown · Public high · Grades 10–12
1,032 students
West Allegheny SHS
Imperial · Public high · Grades 9–12
1,031 students
Frequently asked questions
Is Sun Valley HS a good school?
Sun Valley HS has a Success Index (US) of 78.1 out of 100 (Top 10% of high schools in United States) and ranks #120 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 Sun Valley HS rank in Pennsylvania?
Sun Valley HS ranks #120 of 618 high schools in Pennsylvania and #1574 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Sun Valley HS?
Sun Valley HS had 1,042 students in 2025.
Is Sun Valley HS a elementary school or a high school?
Sun Valley HS is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Sun Valley HS?
There are 10 schools within 15 km of Sun Valley HS; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.