Enrollment
668
Missouri · 2024-25 NCES data
High school (grades 9-12) · Sullivan, MO
Sullivan Sr. High
Federal NCES profile for Sullivan Sr. High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 292976002057
👥 S:T ratio 43
📚 AP courses 35
🌟 Gifted program 70
🎓 Counselors 67
📋 Attendance 38
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sullivan Sr. High earns 51/100 on the Resource Investment Index, with class sizes larger than 72% of Missouri schools.
- #4 of 6
- public schools in Sullivan · Resource Index
- 51
- Resource Index · Higher
- 14.2:1
- large classes for Missouri
- 32.7%
- free-lunch eligible
Sullivan Sr. High has class sizes larger than 72% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Sullivan Sr. High ranks #4 of 6 public schools in Sullivan, MO.
School address
Teachers (FTE)
47.0
Federal CCD staff survey
Students per teacher
14.2:1
vs 12.8:1 Missouri avg
+11% vs state
Free-lunch eligible
32.7%
vs 46.1% Missouri avg
-29% vs state
Student-teacher ratio in context
How Sullivan Sr. High compares with Missouri and U.S. medians
What stands out at Sullivan Sr. High
Sullivan Sr. High is a large high school in Sullivan, Missouri, enrolling 668 students.
Class loads run somewhat heavier than typical: 14.2:1 puts it in the larger third of Missouri schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 32.7% of students eligible for free meals.
Enrollment of 668 puts it in the larger third of Missouri schools by headcount.
Its Resource Investment Index lands in the upper third of 2,313 scored Missouri schools.
Among 356 similarly sized, similarly resourced-need Missouri schools statewide, it ranks #36, a top-tier result once campus size and economic need are matched.
Its student body is predominantly White (95% of enrollment) (diversity index 10/100).
On the academic-pipeline side it reports 7 Advanced Placement courses.
Counselor coverage is strong, about 167 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 24.7% of students chronically absent per the 2021-22 civil-rights collection.
Its district draws 15.3% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 160 in- and out-of-school suspensions were reported for 668 students in the 2021-22 Civil Rights Data Collection.
Sullivan also operates Sullivan Primary (453 students) and Sullivan Middle (434 students) alongside Sullivan Sr. 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 Sullivan Sr. High compares
Sullivan Sr. 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 | 14.2:1 | ▲ 11% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 32.7% | ▼ 29% | 46.1% | 51.7% |
| Enrollment | 668 | top 11% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.2:1
Leaner classes than 55% of US schools, a middle-of-the-pack class size.
668
Bigger than 78% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
32.7%
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
14.2:1
students per teacher
- 11% above state mean
Top 72% in Missouri - lower ratio than 28% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
24.7%
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
$10,530
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
Counselors4.0 FTE
Per 167 students, the combined health-and-guidance staffing load for this school.
Discipline context
111
in-school suspensions + 49 out-of-school
Suspension rate: 16.6 per 100 students. Combined in-school and out-of-school rate: 24.0 per 100 students. Reported via the Civil Rights Data Collection.
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 94.8%
Hispanic or Latino 3.6%
African American 0.7%
Two or More 0.4%
Asian 0.1%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 94.8% of enrollment.
Student-body diversity index 10.0/100
Simpson diversity index - at 10.0, Sullivan Sr. High is less mixed than the Missouri school average of 31.0.
Programs
AP courses offered 7
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Sullivan, which includes Sullivan Sr. High.
$10,530
Per student
-19%
vs Missouri
Avg $12,931
-37%
vs U.S.
Avg $16,593
Revenue mix
Local 50.0%
State 34.7%
Federal 15.3%
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 Sullivan Sr. High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Sullivan Primary | Smaller | Higher economic need | Lower S:T ratio |
| Sullivan Middle | Smaller | Similar economic need | Similar S:T ratio |
| Sullivan Elem. | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Sullivan Sr. High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 453
- Students per teacher
- 10.1:1
- Resource Index
- 47/100
- Enrollment
- 434
- Students per teacher
- 13.2:1
- Resource Index
- 58/100
- Enrollment
- 386
- Students per teacher
- 9.9:1
- Resource Index
- 49/100
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 (~668 students)
Similar student-teacher ratio (~14.2:1)
Next steps
Verify locally before acting on Sullivan Sr. High's federal record.
- Compare Sullivan Sr. High against another school. Compare schools
- Sullivan'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 Sullivan Sr. High
How many students attend Sullivan Sr. High?
Sullivan Sr. High has 668 students enrolled. It is a high school in Sullivan, MO.
What is the student-teacher ratio at Sullivan Sr. High?
The student-teacher ratio at Sullivan Sr. High is 14.2:1, which is 11% higher than the Missouri average of 12.8:1 and 10% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Sullivan Sr. High?
32.7% of students at Sullivan Sr. High are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Sullivan Sr. High?
The largest demographic group at Sullivan Sr. High is White at 94.8% of enrollment, in Sullivan, MO.
What is the Resource Investment Index for Sullivan Sr. High?
Sullivan Sr. High has a Resource Investment Index of 51/100 (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).
How does Sullivan Sr. High rank among public schools in Sullivan?
By Resource Investment Index, Sullivan Sr. High ranks #4 of 6 public schools in Sullivan, 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 Sullivan on the city page.
Is Sullivan Sr. High a good school?
Sullivan Sr. High earns 51/100 on the Resource Investment Index, with class sizes larger than 72% of Missouri schools. 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 Sullivan?
Besides Sullivan Sr. High, Sullivan also operates Sullivan Primary (453 students), Sullivan Middle (434 students), and Sullivan Elem. (386 students). See the Sullivan 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.