Beta You're viewing our redesigned school page. Prefer the classic layout?

Seneca Valley High School

Public Grades 9-12
270th
SchoolDigger Rank ?
of 681 Pennsylvania High Schools
Better than 60% of Pennsylvania high schools
Summary

Seneca Valley High School is a public high school located in Harmony, Pennsylvania, serving grades 9-12 with a total enrollment of 2,294 students. It is part of the Seneca Valley School District, which is ranked 87 out of 606 school districts in Pennsylvania and has a 4-star rating from SchoolDigger.

Seneca Valley High School consistently performs above the state average on Keystone Exams, with higher percentages of students scoring proficient or better in Algebra I, Biology, and Literature compared to the Pennsylvania state average. The school has maintained a high four-year graduation rate, ranging from 87.5% to 96.5% over the past few years, which is above the state average. Additionally, the school has very low dropout rates, ranging from 0.1% to 1.6% in recent years, significantly lower than the state average. Seneca Valley High School spends significantly more per student, ranging from $17,453 to $19,842 per student, compared to the state average, and maintains a relatively low student-teacher ratio, ranging from 13.3 to 13.9.

Compared to nearby schools, such as Beaver Falls Area Senior High School, Butler Area Senior High School, and Pine-Richland High School, Seneca Valley High School generally outperforms them in academic performance, graduation rates, and other key metrics. This suggests that Seneca Valley High School is a strong educational option in the local area. However, the analysis also highlights the need to address any underlying factors contributing to the disparities in student subgroup performance, as the school's Asian and African American student populations have lower rankings compared to other Pennsylvania high schools.

2,282
Students ?
13.2
Student/teacher ratio ?
$21,076
Per pupil spending ?
23.4%
Free/discounted lunch ?
 128 Seneca School Rd
       Harmony, PA  16037-9101

(724) 452-6041

District: Seneca Valley School District

Racial breakdown:

White:
86.7%
Two or more races:
4.5%
Hispanic:
4.3%
more
 See top rated Pennsylvania high schools

 Compare Seneca Valley High School to nearby high schools!
At a glance
Ranking trend: Declining — 75th percentile in 2017 → 60th in 2025
Strengths
96% graduate in 4 years — above the Pennsylvania average (89%)
Above the Pennsylvania median (60th percentile)
Worth a look
!Ranking has slipped — down 15 percentile points since 2017
!Some student groups rank well below the school's overall statewide standing
Students meeting standards (2024-2025) ?
This school56%
District avg56%
Pennsylvania avg52%
270th of 681
Pennsylvania public high schools ?
Top 40%▼ down 14 pts since 2017
From top 25% (2017) to top 40% (2025)
See the entire ranking list of Pennsylvania High Schools →
SchoolDigger rating ?
87th of 606Seneca Valley School District among Pennsylvania districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankPennsylvania percentileRating
202562.9270 of 68160.4%★★★☆☆
202465.3246 of 68664.1%★★★☆☆
202375.3149 of 67477.9%★★★★☆
202274.8167 of 63473.7%★★★★☆
202169.9186 of 53765.4%★★★☆☆
201984.174 of 69389.3%★★★★☆
201883.371 of 67389.5%★★★★☆
201775.0167 of 66374.8%★★★★☆

African American

YearAvg scoreStatewide rankPennsylvania percentileRating
202514.0245 of 27611.2%★☆☆☆☆

Asian

YearAvg scoreStatewide rankPennsylvania percentileRating
202550.377 of 12538.4%★★☆☆☆
202440.687 of 12128.1%★☆☆☆☆
202329.681 of 11227.7%★☆☆☆☆

Disabled

YearAvg scoreStatewide rankPennsylvania percentileRating
202574.587 of 52483.4%★★★★☆
202463.8133 of 51374.1%★★★★☆
202365.4125 of 50275.1%★★★★☆

Female

YearAvg scoreStatewide rankPennsylvania percentileRating
202558.7302 of 65754.0%★★★☆☆
202464.6253 of 66562.0%★★★☆☆

Hispanic

YearAvg scoreStatewide rankPennsylvania percentileRating
202580.445 of 28784.3%★★★★☆
202448.2139 of 27449.3%★★★☆☆
202340.2152 of 25239.7%★★☆☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankPennsylvania percentileRating
202554.2295 of 65154.7%★★★☆☆
202466.8196 of 66470.5%★★★★☆
202364.7220 of 65266.3%★★★☆☆

Male

YearAvg scoreStatewide rankPennsylvania percentileRating
202564.4240 of 66063.6%★★★☆☆
202464.1242 of 66263.4%★★★☆☆

Multi-racial

YearAvg scoreStatewide rankPennsylvania percentileRating
202559.463 of 16561.8%★★★☆☆
202431.3103 of 15031.3%★★☆☆☆
202386.614 of 12989.1%★★★★☆

White

YearAvg scoreStatewide rankPennsylvania percentileRating
202547.0315 of 58346.0%★★☆☆☆
202456.3261 of 59556.1%★★★☆☆
202366.5186 of 57767.8%★★★☆☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
Hispanic (2025)84th percentile+24 vs school
Disabled (2025)83rd percentile+23 vs school
Male (2025)64th percentile+3 vs school
Multi-racial (2025)62nd percentile~ school
Low Socio Economic Status (2025)55th percentile-6 vs school
Female (2025)54th percentile-6 vs school
White (2025)46th percentile-14 vs school
Asian (2025)38th percentile-22 vs school
African American (2025)11th percentile-49 vs school
By subject vs Pennsylvania (2024-2025) ?
Literature61%~ state avg
Biology58%+9 vs state
Algebra I49%+4 vs state

No ratings yet
Be the first to rate Seneca Valley High School and help other families decide.
Rate Seneca Valley High School
Have first-hand experience? A quick rating - and a sentence or two about what stands out (teachers, academics, safety, communication) - helps other families know what to expect.
Takes about a minute. We email you a link to verify your review - your address is never shown publicly.
Tap a star to rate
Reviews
No written reviews yet. If you know this school, be the first to share what stands out.



Schools Near Seneca Valley High School

Ranking:
Map legend
E Elementary M Middle H High A Alternative P Private






Frequently Asked Questions about Seneca Valley High School

In the 2024-25 school year, 2,282 students attended Seneca Valley High School.

Students at Seneca Valley High School are 87% White, 5% Two or more races, 4% Hispanic, 3% Asian, 2% African American.

Seneca Valley High School ranks 270th of 681 Pennsylvania high schools. SchoolDigger rates this school 3 stars out of 5.


Rate Seneca Valley High School!



Sign up for updates!

Be the first to know when there is an update for Seneca Valley High School!


Latest Pennsylvania data All new data »
2024–25 graduation ratesMar 29, 2026
2024–25 dropout ratesMar 27, 2026
2023–24 school spending dataJan 29, 2026
2024–25 Keystone Exams & PSSA scoresNov 13, 2025


SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Pennsylvania Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





Diagnostics