Enrollment
266
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Sullivan, IL
Sullivan Middle School
Federal NCES profile for Sullivan Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataElementary school (grades K-5)NCES 173813003907
👥 S:T ratio 52
🌟 Gifted program 30
🎓 Counselors 47
📋 Attendance 59
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sullivan Middle School earns 47/100 on the Resource Investment Index, with class sizes smaller than 70% of Illinois schools. It is also less racially and ethnically mixed than most Illinois schools.
- #1 of 3
- public schools in Sullivan · Resource Index
- 47
- Resource Index · Typical
- 12.1:1
- small classes for Illinois
- 266
- students enrolled
Sullivan Middle School has class sizes smaller than 70% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Sullivan Middle School ranks #1 of 3 public schools in Sullivan, IL.
School address
District: Sullivan Cusd 300 · Illinois
NCES ID 173813003907 Verify on NCES CCD record →
Teachers (FTE)
22.0
Federal CCD staff survey
Students per teacher
12.1:1
vs 14:1 Illinois avg
-14% vs state
Student-teacher ratio in context
How Sullivan Middle School compares with Illinois and U.S. medians
What stands out at Sullivan Middle School
Sullivan Middle School is a mid-sized elementary school in Sullivan, Illinois, enrolling 266 students.
Class sizes run a bit leaner than typical: 12.1:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
Enrollment of 266 puts it in the smaller third of Illinois schools by headcount.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is predominantly White (94% of enrollment), among the less diverse in the state (diversity index 12/100).
Counselor coverage runs a bit thin, about 266 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
16.5% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Sullivan Cusd 300 spends $10,588 per pupil, 38% below the Illinois average, a leaner-resourced district than most.
Its district draws 16.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 56 in- and out-of-school suspensions were reported for 266 students in the 2021-22 Civil Rights Data Collection.
Sullivan Cusd 300 also operates Sullivan Elem School (565 students) and Sullivan High School (317 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
How Sullivan Middle School compares
Sullivan Middle School on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.1:1 | ▼ 14% | 14:1 | 15.7:1 |
| Enrollment | 266 | top 70% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.1:1
Leaner classes than 75% of US schools, among the more generously staffed nationally.
266
Bigger than 28% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
12.1:1
students per teacher
- 14% below state mean
Top 30% in Illinois - lower ratio than 70% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
16.5%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$10,588
per pupil, district-wide
- below Illinois avg of $17,042
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 266 students, the combined health-and-guidance staffing load for this school.
Discipline context
49
in-school suspensions + 7 out-of-school
Suspension rate: 18.4 per 100 students. Combined in-school and out-of-school rate: 21.1 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 94.0%
Hispanic or Latino 2.3%
Two or More 1.9%
Asian 1.1%
African American 0.8%
Largest group: White at 94.0% of enrollment.
Student-body diversity index 11.5/100
Simpson diversity index - at 11.5, Sullivan Middle School is less mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Sullivan Cusd 300, which includes Sullivan Middle School.
$10,588
Per student
-38%
vs Illinois
Avg $17,042
-36%
vs U.S.
Avg $16,593
Revenue mix
Local 37.5%
State 46.3%
Federal 16.2%
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 Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Sullivan Elem School | Larger | No free-lunch data | Higher S:T ratio |
| Sullivan High School | Similar size | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Sullivan Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 565
- Students per teacher
- 20.9:1
- Resource Index
- 38/100
- Enrollment
- 317
- Students per teacher
- 13.8:1
- Resource Index
- 46/100
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Illinois, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~266 students)
Similar student-teacher ratio (~12.1:1)
Next steps
Verify locally before acting on Sullivan Middle School's federal record.
- Compare Sullivan Middle School against another school. Compare schools
- Sullivan Cusd 300'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 Middle School
How many students attend Sullivan Middle School?
Sullivan Middle School has 266 students enrolled. It is an elementary school in Sullivan, IL.
What is the student-teacher ratio at Sullivan Middle School?
The student-teacher ratio at Sullivan Middle School is 12.1:1, which is 14% lower than the Illinois average of 14:1 and 23% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Sullivan Middle School?
The largest demographic group at Sullivan Middle School is White at 94.0% of enrollment, in Sullivan, IL.
What is the Resource Investment Index for Sullivan Middle School?
Sullivan Middle School has a Resource Investment Index of 47/100 (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).
How does Sullivan Middle School rank among public schools in Sullivan?
By Resource Investment Index, Sullivan Middle School ranks #1 of 3 public schools in Sullivan, IL. 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 Middle School a good school?
Sullivan Middle School earns 47/100 on the Resource Investment Index, with class sizes smaller than 70% of Illinois schools. It is also less racially and ethnically mixed than most Illinois 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 Cusd 300?
Besides Sullivan Middle School, Sullivan Cusd 300 also operates Sullivan Elem School (565 students) and Sullivan High School (317 students). See the Sullivan Cusd 300 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.