- Enrollment
- 1,118
- Students per teacher
- 17.7:1
- Resource Index
- 36/100
High school (grades 9-12) · Seneca, SC
Seneca High
Federal NCES profile for Seneca High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 450306000841
👥 S:T ratio 25
🌟 Gifted program 70
🎓 Counselors 30
📋 Attendance 28
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Seneca High earns 38/100 on the Resource Investment Index, with class sizes larger than 93% of South Carolina schools.
- #6 of 6
- public schools in Seneca · Resource Index
- 38
- Resource Index · Typical
- 18.8:1
- large classes for South Carolina
- 61.1%
- free-lunch eligible
Seneca High has class sizes larger than 93% of South Carolina schools. Computed live against every South Carolina school reporting to NCES.
By Resource Investment Index, Seneca High ranks #6 of 6 public schools in Seneca, SC.
School address
District: Oconee 01 · South Carolina
NCES ID 450306000841 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-30 students YoY
Seneca High held near 1,022 students from 2022-23 to 2023-24 (-30 headcount).
Teacher FTE added 56.0 → 57.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-30 students YoY 450306000841 · Seneca, SC High · MID · TRAD
1,051 enr · 18.8:1 · 61.1% lunch · RII 38
Nearest enrollment peer: Walhalla High (1,118 students)
Seneca High held near 1,022 students from 2022-23 to 2023-24 (-30 headcount). Teacher FTE added 56.0 → 57.8 across the same CCD years. Read with this school → · District book → · South Carolina schools → · Find another →
Seneca High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Walhalla High
Walhalla High
1,118 students
- This school
Seneca High
1,051 students
- Walhalla Middl
Walhalla Middle
857 students
- Seneca Middle
Seneca Middle
829 students
- West-Oak High
West-Oak High
735 students
- West Oak Middl
West Oak Middle
656 students
What this shows Seneca High reports 1,051 students on the CCD universe file.
How Seneca High compares
Seneca High held steady on CCD headcount: ratios and free-lunch share vs South Carolina and U.S. means.
| Metric | This school | vs South Carolina | South Carolina avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.8:1 | ▲ 31% | 14.3:1 | 15.7:1 |
| Free-lunch eligible | 61.1% | ▼ 17% | 74.0% | 51.7% |
| Enrollment | 1,051 | top 12% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.8:1
Leaner classes than 21% of US schools, heavier class loads than most.
1,051
Bigger than 92% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
61.1%
free-lunch eligible
- 17% below the South Carolina average of 74.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
18.8:1
students per teacher
- 31% above state mean
Top 93% in South Carolina - lower ratio than 7% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
29.0%
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
$14,323
per pupil, district-wide
- below South Carolina avg of $15,911
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors3.0 FTE
Per 350 students, the combined health-and-guidance staffing load for this school.
Discipline context
164
in-school suspensions + 153 out-of-school
Suspension rate: 15.6 per 100 students. Combined in-school and out-of-school rate: 30.2 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.
Student demographics
White 58.3%
African American 20.2%
Hispanic or Latino 12.5%
Two or More 7.7%
Asian 0.8%
American Indian / Alaska Native 0.6%
Largest group: White at 58.3% of enrollment.
Student-body diversity index 59.8/100
Simpson diversity index - at 59.8, Seneca High is more mixed than the South Carolina school average of 52.7.
Programs
AP courses offered 15
Gifted & talented Yes
District finance for Oconee 01 reports $14,323 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Seneca High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Walhalla High | Similar size | Similar economic need | Similar S:T ratio |
| Walhalla Middle | Similar size | Similar economic need | Lower S:T ratio |
| Seneca Middle | Similar size | Similar economic need | Lower S:T ratio |
| West-Oak High | Smaller | Similar economic need | Lower S:T ratio |
| West Oak Middle | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Seneca High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 857
- Students per teacher
- 13.8:1
- Resource Index
- 43/100
- Enrollment
- 829
- Students per teacher
- 14.8:1
- Resource Index
- 40/100
- Enrollment
- 735
- Students per teacher
- 14.4:1
- Resource Index
- 42/100
- Enrollment
- 656
- Students per teacher
- 12.4:1
- Resource Index
- 40/100
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 (~1,051 students)
Similar student-teacher ratio (~18.8:1)
Frequently asked questions about Seneca High
How many students attend Seneca High?
Seneca High has 1,051 students enrolled. It is a high school in Seneca, SC. CCD year-over-year: 1,052 (2022-23) → 1,022 (2023-24), nearly flat (-30).
What is the student-teacher ratio at Seneca High?
The student-teacher ratio at Seneca High is 18.8:1, which is 31% higher than the South Carolina average of 14.3:1 and 20% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Seneca High?
61.1% of students at Seneca High are eligible for free lunch, compared to the South Carolina average of 74.0%.
What is the racial and ethnic makeup of Seneca High?
The largest demographic group at Seneca High is White at 58.3% of enrollment, in Seneca, SC. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 59.8/100.
What is the Resource Investment Index for Seneca High?
Seneca High has a Resource Investment Index of 38/100 (typical 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).
How does Seneca High rank among public schools in Seneca?
By Resource Investment Index, Seneca High ranks #6 of 6 public schools in Seneca, SC. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Seneca on the city page.
What other schools are in Oconee 01?
Besides Seneca High, Oconee 01 also operates Walhalla High (1,118 students), Walhalla Middle (857 students), and Seneca Middle (829 students). See the Oconee 01 district page for the complete list.