- Enrollment
- 1,157
- Students per teacher
- 12.2:1
- Resource Index
- 51/100
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 50/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 422244007521
👥 S:T ratio 46
🌟 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 50/100 on the Resource Investment Index, with class sizes near the Pennsylvania median. It is also one of the largest schools in Pennsylvania.
- 50
- 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 →
CCD year-over-year · 2022-23 → 2023-24
-13 students YoY
Seneca Valley Hs held near 2,294 students from 2022-23 to 2023-24 (-13 headcount).
Teacher FTE added 169.1 → 171.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-13 students YoY 422244007521 · Harmony, PA High · LARGE · TRAD
2,282 enr · 13.5:1 · 17.7% lunch · RII 50
Nearest enrollment peer: Ryan Gloyer Ms (1,157 students)
Seneca Valley Hs held near 2,294 students from 2022-23 to 2023-24 (-13 headcount). Teacher FTE added 169.1 → 171.2 across the same CCD years. Read with this school → · District book → · Pennsylvania schools → · Find another →
Seneca Valley Hs in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Seneca Valley Hs
2,282 students
- Ryan Gloyer Ms
Ryan Gloyer Ms
1,157 students
- Ehrman Crest E 837
Ehrman Crest El Sch
837 students
- Haine El Sch 791
Haine El Sch
791 students
- Connoquenessin 714
Connoquenessing Valley El Sch
714 students
- Ehrman Crest M 642
Ehrman Crest Ms
642 students
What this shows Seneca Valley Hs reports 2,282 students on the CCD universe file.
How Seneca Valley Hs compares
Seneca Valley Hs held steady on CCD headcount: ratios and free-lunch share vs 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 methodology
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
$18,145
per pupil, district-wide
- below Pennsylvania avg of $18,725
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.
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
District finance for Seneca Valley Sd reports $18,145 per pupil (NCES F-33) - open the district page for the full revenue mix.
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
- 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
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~2,282 students)
Similar student-teacher ratio (~13.5:1)
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. CCD year-over-year: 2,307 (2022-23) → 2,294 (2023-24), nearly flat (-13).
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 50/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
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.