Enrollment
450
Missouri · 2024-25 NCES data
High school (grades 9-12) · Seneca, MO
Seneca High
Federal NCES profile for Seneca High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 292790001719
👥 S:T ratio 48
📚 AP courses 20
🌟 Gifted program 30
🎓 Counselors 55
📋 Attendance 60
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Seneca High earns 43/100 on the Resource Investment Index, with class sizes near the Missouri median.
- #1 of 4
- public schools in Seneca · Resource Index
- 43
- Resource Index · Typical
- 12.9:1
- students per teacher
- 32.8%
- free-lunch eligible
Seneca High has class sizes near the Missouri median. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Seneca High ranks #1 of 4 public schools in Seneca, MO.
School address
Teachers (FTE)
35.0
Federal CCD staff survey
Students per teacher
12.9:1
vs 12.8:1 Missouri avg
+1% vs state
Free-lunch eligible
32.8%
vs 46.1% Missouri avg
-29% vs state
Student-teacher ratio in context
How Seneca High compares with Missouri and U.S. medians
What stands out at Seneca High
Seneca High is a mid-sized high school in Seneca, Missouri, enrolling 450 students.
At 12.9:1, its student-teacher ratio sits close to the Missouri median, within a few percentage points of the 12.8:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 32.8% of students eligible for free meals.
Enrollment of 450 puts it in the larger third of Missouri schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 2,313 scored Missouri schools.
Against 526 statewide peers matched on enrollment and economic need, it ranks mid-pack at #260.
Its student body is led by White (78%) and American Indian / Alaska Native (14%) (diversity index 38/100).
On the academic-pipeline side it reports 4 Advanced Placement courses.
Counselor coverage is strong, about 225 students per counselor, inside the American School Counselor Association's recommended 250:1.
16.2% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Seneca R-Vii spends $9,608 per pupil, 26% below the Missouri average, a leaner-resourced district than most.
Its district draws 21.8% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 99 in- and out-of-school suspensions were reported for 450 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Seneca R-Vii also operates Seneca Elem. (417 students) and Seneca Intermediate School (305 students) alongside Seneca High.
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 High compares
Seneca High on the metrics families compare, against Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.9:1 | ▲ 1% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 32.8% | ▼ 29% | 46.1% | 51.7% |
| Enrollment | 450 | top 27% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.9:1
Leaner classes than 68% of US schools, among the more generously staffed nationally.
450
Bigger than 55% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
32.8%
free-lunch eligible
- 29% below the Missouri average of 46.1%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
12.9:1
students per teacher
- 1% above state mean
Top 53% in Missouri - lower ratio than 47% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
16.2%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$9,608
per pupil, district-wide
- below Missouri avg of $12,931
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 225 students, the combined health-and-guidance staffing load for this school.
Discipline context
73
in-school suspensions + 26 out-of-school
Suspension rate: 16.2 per 100 students. Combined in-school and out-of-school rate: 22.0 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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 77.6%
American Indian / Alaska Native 13.8%
Hispanic or Latino 4.4%
African American 2.0%
Two or More 1.8%
Asian 0.2%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 77.6% of enrollment.
Student-body diversity index 37.6/100
Simpson diversity index - at 37.6, Seneca High is more mixed than the Missouri school average of 31.0.
Programs
AP courses offered 4
Funding & spending
District-wide per-pupil expenditure for Seneca R-Vii, which includes Seneca High.
$9,608
Per student
-26%
vs Missouri
Avg $12,931
-42%
vs U.S.
Avg $16,593
Revenue mix
Local 37.2%
State 41.0%
Federal 21.8%
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 High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Seneca Elem. | Similar size | Similar economic need | Higher S:T ratio |
| Seneca Intermediate School | Smaller | Similar economic need | Similar S:T ratio |
| Seneca Junior High | Smaller | Similar economic need | Similar S:T ratio |
| Seneca Early Childhood School | Smaller | Lower economic need | Similar 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
- 417
- Students per teacher
- 14.4:1
- Resource Index
- 33/100
- Enrollment
- 305
- Students per teacher
- 13.3:1
- Resource Index
- 43/100
- Enrollment
- 231
- Students per teacher
- 11.6:1
- Resource Index
- 47/100
- Enrollment
- 84
- Students per teacher
- 14:1
- Resource Index
- 37/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Missouri, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~450 students)
Similar student-teacher ratio (~12.9:1)
Next steps
Verify locally before acting on Seneca High's federal record.
- Compare Seneca High against another school. Compare schools
- Seneca R-Vii'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 High
How many students attend Seneca High?
Seneca High has 450 students enrolled. It is a high school in Seneca, MO.
What is the student-teacher ratio at Seneca High?
The student-teacher ratio at Seneca High is 12.9:1, which is 1% higher than the Missouri average of 12.8:1 and 18% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Seneca High?
32.8% of students at Seneca High are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Seneca High?
The largest demographic group at Seneca High is White at 77.6% of enrollment, in Seneca, MO.
What is the Resource Investment Index for Seneca High?
Seneca High has a Resource Investment Index of 43/100 (typical 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).
How does Seneca High rank among public schools in Seneca?
By Resource Investment Index, Seneca High ranks #1 of 4 public schools in Seneca, MO. 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.
Is Seneca High a good school?
Seneca High earns 43/100 on the Resource Investment Index, with class sizes near the Missouri median. 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 R-Vii?
Besides Seneca High, Seneca R-Vii also operates Seneca Elem. (417 students), Seneca Intermediate School (305 students), and Seneca Junior High (231 students). See the Seneca R-Vii 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.