Enrollment
353
Indiana · 2024-25 NCES data
Middle school (grades 6-8) · Sullivan, IN
Federal NCES profile for Sullivan Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
The verdict
Sullivan Middle School earns 38/100 on the Resource Investment Index, with class sizes larger than 96% of Indiana schools. It is also less racially and ethnically mixed than most Indiana schools.
Sullivan Middle School has class sizes larger than 96% of Indiana schools. Computed live against every Indiana school reporting to NCES.
By Resource Investment Index, Sullivan Middle School ranks #4 of 4 public schools in Sullivan, IN.
NCES ID 181086002359 Verify on NCES CCD record →
Enrollment
353
Indiana · 2024-25 NCES data
Teachers (FTE)
16.0
Federal CCD staff survey
Students per teacher
22.1:1
vs 15.9:1 Indiana avg
+39% vs state
Free-lunch eligible
43.0%
vs 49.5% Indiana avg
-13% vs state
How Sullivan Middle School compares with Indiana and U.S. medians
Larger classes than state median
22.1:1 - 6.2 above the Indiana state median of 15.9:1, indicating larger average class loads than typical schools in the state.
Sullivan Middle School is a mid-sized middle school in Sullivan, Indiana, enrolling 353 students.
Class loads run heavy: 22.1:1 is larger than about 96% of Indiana schools and 39% above the 15.9:1 state mean, so each teacher carries more students than is typical.
Its free-meal eligibility rate of 43.0% lands close to the Indiana typical range, neither a high- nor low-need campus by this measure.
Enrollment of 353 puts it in the smaller third of Indiana schools by headcount.
Its Resource Investment Index lands in the lower third of 1,862 scored Indiana schools.
Among 476 similarly sized, similarly resourced-need Indiana schools statewide, it ranks #409, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (96% of enrollment), among the less diverse in the state (diversity index 8/100).
Counselor availability sits well past the ASCA benchmark, roughly 353 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 23.8% of students chronically absent per the 2021-22 civil-rights collection.
Southwest School Corporation also operates Sullivan Elementary School (627 students) and Sullivan High School (528 students) alongside Sullivan Middle School.
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
Sullivan Middle School on the metrics families compare, against Indiana and U.S. means.
| Metric | This school | vs Indiana | Indiana avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 22.1:1 | ▲ 39% | 15.9:1 | 15.7:1 |
| Free-lunch eligible | 43.0% | ▼ 13% | 49.5% | 51.7% |
| Enrollment | 353 | top 68% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 96.0% of enrollment.
Simpson diversity index - at 7.8, Sullivan Middle School is less mixed than the Indiana school average of 39.0.
District-wide per-pupil expenditure for Southwest School Corporation, which includes Sullivan Middle School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Sullivan Elementary School | Larger | Similar economic need | Lower S:T ratio |
| Sullivan High School | Larger | Similar economic need | Lower S:T ratio |
| Carlisle Elementary School | Smaller | Higher economic need | Lower S:T ratio |
| Carlisle Middle School | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Sullivan Middle School's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Indiana, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Sullivan Middle School's federal record.
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.
Sullivan Middle School has 353 students enrolled. It is a middle school in Sullivan, IN.
The student-teacher ratio at Sullivan Middle School is 22.1:1, which is 39% higher than the Indiana average of 15.9:1 and 41% higher than the national average of 15.7:1.
43.0% of students at Sullivan Middle School are eligible for free lunch, compared to the Indiana average of 49.5%.
The largest demographic group at Sullivan Middle School is White at 96.0% of enrollment, in Sullivan, IN.
Sullivan Middle School has a Resource Investment Index of 38/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Sullivan Middle School ranks #4 of 4 public schools in Sullivan, IN. 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.
Sullivan Middle School earns 38/100 on the Resource Investment Index, with class sizes larger than 96% of Indiana schools. It is also less racially and ethnically mixed than most Indiana 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.
Besides Sullivan Middle School, Southwest School Corporation also operates Sullivan Elementary School (627 students), Sullivan High School (528 students), and Carlisle Elementary School (188 students). See the Southwest School Corporation district page for the complete list.
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.
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PlainSchools, “Sullivan Middle School, Sullivan IN.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/sullivan-middle-school-in
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