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Average

#1308 of 2,842 schools in PA

Top 46% in state

Seneca Valley HS

High School · Seneca Valley SD

128 Seneca School Rd, Harmony, PA 16037

Enrollment

2,294

Student-Teacher

13.4:1

Score

6.6

Grades

9th – 12th

Updated 2022-23

How this school compares

In Harmony

#2 of 2

public schools

Pennsylvania high schools

#220 of 641

In district

#5 of 8

Seneca Valley SD

Academic performance

8.7 / 10

Exceptional

About Seneca Valley HS

Seneca Valley HS serves 2,294 students in grades 9-12 in Harmony, Pennsylvania, with a student-teacher ratio of 13.4:1 and 171 full-time equivalent teachers. This large public high school ranks in the 53rd percentile statewide, placing #1,341 out of 2,852 Pennsylvania high schools with a MySchoolScout rating of 5.7 out of 10. Academically, the school shows stronger performance in English Language Arts, where 65% of students score proficient or above across grade levels, while mathematics presents room for growth with 41% of students reaching proficiency.

These results reflect opportunities for continued academic development in certain subject areas. The school draws from a well-established community where the median household income reaches $86,875 and home values average $312,600. About 35% of area residents hold bachelor's degrees or higher, and the local poverty rate remains low at 5.9%.

The ZIP code population of 4,709 reflects the close-knit nature of this Butler County community. Seneca Valley HS sits in a rural setting near town, offering students the benefits of a peaceful environment while maintaining access to broader educational and community resources that support their high school experience.

What Parents Should Know

Seneca Valley HS is a large school with 2,294 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.

Located in a rural area, Seneca Valley HS may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress1.9Significantly Below Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-6.04 pts/yr
Data Period2019–2024
TrendDeclining
Academics8.7Excellent25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency71%
Reading/ELA Proficiency75%
Math vs. State Avg+29 pts
Reading vs. State Avg+11 pts
Overall Proficiency73%
Expected (poverty-adj.)65%
vs. Expected+7.9 pts
Adjusted Percentile80th
College Readiness8.9Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation22.4%
IB ProgramNo
Resources & Environment6.3Above Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio13.4:1
Per-Pupil Spending$17,146

Seneca Valley HS — Students at Seneca Valley HS score 73% proficient, which is above what's typical for similar communities (expected: 65%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

23.3%

Students qualifying for federal meal assistance

Test Scores PA PSSA (2023-24)

Math Proficiency 63.9%
School
State
42.0%
ELA Proficiency 75.4%
School
State
64.0%

Based on 6 test records from PA state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
80%
ELA
86%
2021*
Math
71%
ELA
75%
2024
Math
40.6%
ELA
65.3%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 1.9/10.

How Seneca Valley HS Compares

See how Seneca Valley HS performs across key quality dimensions compared to state benchmarks.

Overall Score
6.6/10
54th percentile in PA
Academic
8.7/10
8.7/10
Growth
1.9/10
Below average
Environment
6.3/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
23%
Teaching Staff
13:1 student-teacher ratio
171 teachers

Location

128 Seneca School Rd, Harmony, PA 16037

Nearby Alternatives

Families considering Seneca Valley HS may also want to explore other high schools in the area. NORTH CATHOLIC HIGH SCHOOL (rated 5.5/10, 8.5 miles away, in nearby Cranberry Township), a more accessible option. Additionally, Riverside HS (rated 5.4/10, 8.1 miles away, in nearby Ellwood City), a more accessible option. For more schools in Harmony, see our Harmony schools guide .

Nearby Schools

20 within 8.1 mi
School Distance Rating
Ryan Gloyer MS Harmony 0.2 mi 6.6
Connoquenessing Valley El Sch Zelienople 1.5 mi 5.6
ST STEPHENS LUTHERAN ACADEMY Zelienople 2.3 mi 7.8
ST GREGORY ELEMENTARY SCHOOL Zelienople 2.3 mi 5.3
Ehrman Crest MS Cranberry Township 4.7 mi 5.9
Ehrman Crest El Sch Cranberry Township 4.7 mi 6.9
Connoquenessing El Sch Renfrew 5.1 mi 7.8
GODDARD SCHOOL Cranberry Township 7.1 mi
Rowan El Sch Cranberry Twp 7.2 mi 7.6
Moraine El Sch Prospect 7.3 mi 7.1
Haine El Sch Cranberry Twp 7.9 mi 6.0
Haine MS Cranberry Twp 7.9 mi 6.6
KINDERCARE LEARNING CENTER 868 Cranberry Township 8.5 mi
NORTH CATHOLIC HIGH SCHOOL Cranberry Township 8.5 mi 5.5
BRIGHT HORIZONS AT CRANBERRY Cranberry Township 8.9 mi
KINDER CARE LEARNING CENTER Seven Fields 8.7 mi 3.6
HEART PRINTS EARLY EDUCATION CENTER Mars 9.4 mi
Perry Lower Intrmd Sch Ellwood City 8.2 mi 6.9
Riverside El Sch Ellwood City 8.1 mi 7.6
Riverside HS Ellwood City 8.1 mi 5.4

Neighborhood Census ACS (2019-2023)

Census data for ZIP 16037 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$90,078

Median Home Value

$331,200

Median Rent

$879/mo

Population

4,840

College Educated

32.8%

Homeownership

90.1%

Avg Commute

23.6 min

Poverty Rate

7.7%

Median Age

49.4

Community Profile

The community surrounding Seneca Valley HS has a median household income of $90,078. It is an area where 33% of adults hold a bachelor's degree or higher. The median home value in the area is $331,200, with a median rent of $879/month. The local poverty rate of 7.7% is relatively low. The average commute for residents is 24 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Cheltenham HS Wyncote, PA 6.6
Norwin HS North Huntingdon, PA 6.6
Scranton HS Scranton, PA 6.6
Central York HS York, PA 6.5
Cumberland Valley HS Mechanicsburg, PA 6.7
Mt Lebanon SHS Pittsburgh, PA 6.7

Frequently Asked Questions

Common questions about Seneca Valley HS

What grades does Seneca Valley HS serve?

Seneca Valley HS serves students in grades 9th through 12th.

How many students attend Seneca Valley HS?

Seneca Valley HS has an enrollment of approximately 2,294 students.

What is the student-teacher ratio at Seneca Valley HS?

The student-teacher ratio at Seneca Valley HS is 13.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Seneca Valley HS rank in PA?

Seneca Valley HS is ranked #1308 out of 2,842 schools in PA.

What is Seneca Valley HS's MySchoolScout rating?

Seneca Valley HS has a composite rating of 6.6 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Seneca Valley HS?

Based on the most recent state assessment data, Seneca Valley HS has 63.9% math proficiency and 75.4% reading/ELA proficiency.

Is Seneca Valley HS a charter school?

No, Seneca Valley HS is not a charter school. It is a traditional public school operated by the local school district.

Is Seneca Valley HS a Title I school?

No, Seneca Valley HS is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Seneca Valley HS?

23.3% of students at Seneca 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.

11 schools nearby View map →

Neighborhood Context

Walk Score
4 Car-Dependent
Bike Score
16 Somewhat Bikeable

Powered by Walk Score

FBI UCR. County-level only.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
2,294
Student-Teacher Ratio
13.4:1
Teachers (FTE)
171
Free/Reduced Lunch
23.3%
Type
regular
Setting
Fringe Rural
County
Butler County
Data Year
2023–2024

District

Seneca Valley SD
District Enrollment
7,476
Schools in District
8
Per-Pupil Spending
$18,216
District Rank
#5 of 8

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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