Enrollment
2,282
Pennsylvania · 2024-25 NCES data
High school (grades 9-12) · Harmony, PA
Seneca Valley Hs
Federal NCES profile for Seneca Valley Hs, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 60/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 422244007521
👥 S:T ratio 46
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 49
📋 Attendance 36
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Seneca Valley Hs earns 60/100 on the Resource Investment Index, with class sizes near the Pennsylvania median. It is also one of the largest schools in Pennsylvania.
- 60
- Resource Index · Higher
- 13.5:1
- students per teacher
- 17.7%
- free-lunch eligible
- 2,282
- students enrolled
Seneca Valley Hs has class sizes near the Pennsylvania median. Computed live against every Pennsylvania school reporting to NCES.
School address
District: Seneca Valley Sd · Pennsylvania
NCES ID 422244007521 Verify on NCES CCD record →
Teachers (FTE)
169.0
Federal CCD staff survey
Students per teacher
13.5:1
vs 13.6:1 Pennsylvania avg
-1% vs state
Free-lunch eligible
17.7%
vs 58.1% Pennsylvania avg
-70% vs state
Student-teacher ratio in context
How Seneca Valley Hs compares with Pennsylvania and U.S. medians
What stands out at Seneca Valley Hs
Seneca Valley Hs is a lower-poverty, large high school in Harmony, Pennsylvania, enrolling 2,282 students.
At 13.5:1, its student-teacher ratio sits close to the Pennsylvania median, within a few percentage points of the 13.6:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 17.7% free-meal eligibility runs 70% below the Pennsylvania average.
By headcount it is one of the larger campuses in Pennsylvania, bigger than 99% of state schools at 2,282 students.
Its Resource Investment Index sits near the middle of the pack among 2,889 scored Pennsylvania schools.
Against 55 statewide peers matched on enrollment and economic need, it ranks mid-pack at #30.
Its student body is predominantly White (87% of enrollment) (diversity index 24/100).
On the academic-pipeline side it reports 22 Advanced Placement courses.
Counselor coverage runs a bit thin, about 254 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 25.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 6 expulsions at this campus for 2021-22.
Seneca Valley Sd also operates Ryan Gloyer Ms (1,157 students) and Ehrman Crest El Sch (837 students) alongside Seneca Valley Hs.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Seneca Valley Hs compares
Seneca Valley Hs on the metrics families compare, against Pennsylvania and U.S. means.
| Metric | This school | vs Pennsylvania | Pennsylvania avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.5:1 | ▼ 1% | 13.6:1 | 15.7:1 |
| Free-lunch eligible | 17.7% | ▼ 70% | 58.1% | 51.7% |
| Enrollment | 2,282 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.5:1
Leaner classes than 62% of US schools, a middle-of-the-pack class size.
2,282
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
17.7%
free-lunch eligible
- 70% below the Pennsylvania average of 58.1%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
13.5:1
students per teacher
- 1% below state mean
Top 53% in Pennsylvania - lower ratio than 47% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
25.5%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$17,081
per pupil, district-wide
- below Pennsylvania avg of $17,970
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors9.0 FTE
Per 254 students, the combined health-and-guidance staffing load for this school.
Discipline context
6
in-school suspensions + 83 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 3.9 per 100 students. Reported via the Civil Rights Data Collection. Includes 6 expulsions.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 86.7%
Two or More 4.5%
Hispanic or Latino 4.3%
Asian 2.9%
African American 1.6%
Largest group: White at 86.7% of enrollment.
Student-body diversity index 24.3/100
Simpson diversity index - at 24.3, Seneca Valley Hs is less mixed than the Pennsylvania school average of 37.3.
Programs
AP courses offered 22
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Seneca Valley Sd, which includes Seneca Valley Hs.
$17,081
Per student
-5%
vs Pennsylvania
Avg $17,970
+3%
vs U.S.
Avg $16,593
Revenue mix
Local 70.9%
State 23.9%
Federal 5.2%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Seneca Valley Hs Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Ryan Gloyer Ms | Smaller | Similar economic need | Similar S:T ratio |
| Ehrman Crest El Sch | Smaller | Similar economic need | Higher S:T ratio |
| Haine El Sch | Smaller | Similar economic need | Similar S:T ratio |
| Connoquenessing Valley El Sch | Smaller | Similar economic need | Similar S:T ratio |
| Ehrman Crest Ms | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Seneca Valley Hs's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,157
- Students per teacher
- 12.2:1
- Resource Index
- 51/100
- Enrollment
- 837
- Students per teacher
- 16.4:1
- Resource Index
- 48/100
- Enrollment
- 791
- Students per teacher
- 14.1:1
- Resource Index
- 47/100
- Enrollment
- 714
- Students per teacher
- 14.6:1
- Resource Index
- 46/100
- Enrollment
- 642
- Students per teacher
- 16.5:1
- Resource Index
- 55/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Pennsylvania, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~2,282 students)
Similar student-teacher ratio (~13.5:1)
Next steps
Verify locally before acting on Seneca Valley Hs's federal record.
- Compare Seneca Valley Hs against another school. Compare schools
- Seneca Valley Sd's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Seneca Valley Hs
How many students attend Seneca Valley Hs?
Seneca Valley Hs has 2,282 students enrolled. It is a high school in Harmony, PA.
What is the student-teacher ratio at Seneca Valley Hs?
The student-teacher ratio at Seneca Valley Hs is 13.5:1, which is 1% lower than the Pennsylvania average of 13.6:1 and 14% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Seneca Valley Hs?
17.7% of students at Seneca Valley Hs are eligible for free lunch, compared to the Pennsylvania average of 58.1%.
What is the racial and ethnic makeup of Seneca Valley Hs?
The largest demographic group at Seneca Valley Hs is White at 86.7% of enrollment, in Harmony, PA.
What is the Resource Investment Index for Seneca Valley Hs?
Seneca Valley Hs has a Resource Investment Index of 60/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Seneca Valley Hs a good school?
Seneca Valley Hs earns 60/100 on the Resource Investment Index, with class sizes near the Pennsylvania median. It is also one of the largest schools in Pennsylvania. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Seneca Valley Sd?
Besides Seneca Valley Hs, Seneca Valley Sd also operates Ryan Gloyer Ms (1,157 students), Ehrman Crest El Sch (837 students), and Haine El Sch (791 students). See the Seneca Valley Sd district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.