Enrollment
1,023
Illinois · 2024-25 NCES data
High school (grades 9-12) · Carbondale, IL
Carbondale Comm H S
Federal NCES profile for Carbondale Comm H S, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 170837000454
👥 S:T ratio 42
📚 AP courses 55
🌟 Gifted program 30
🎓 Counselors 59
📋 Attendance 8
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Carbondale Comm H S earns 39/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also more racially and ethnically mixed than most Illinois schools.
- #5 of 7
- public schools in Carbondale · Resource Index
- 39
- Resource Index · Typical
- 14.4:1
- students per teacher
- 1,023
- students enrolled
Carbondale Comm H S has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Carbondale Comm H S ranks #5 of 7 public schools in Carbondale, IL.
School address
District: Carbondale Chsd 165 · Illinois
NCES ID 170837000454 Verify on NCES CCD record →
Teachers (FTE)
71.0
Federal CCD staff survey
Students per teacher
14.4:1
vs 14:1 Illinois avg
+3% vs state
Student-teacher ratio in context
How Carbondale Comm H S compares with Illinois and U.S. medians
What stands out at Carbondale Comm H S
Carbondale Comm H S is a large high school in Carbondale, Illinois, enrolling 1,023 students.
Class loads run somewhat heavier than typical: 14.4:1 puts it in the larger third of Illinois schools by student-teacher ratio.
By headcount it is one of the larger campuses in Illinois, bigger than 93% of state schools at 1,023 students.
Its Resource Investment Index sits near the middle of the pack among 3,845 scored Illinois schools.
Its student body is led by White (46%) and African American (31%), more mixed than most schools in the state (diversity index 68/100).
On the academic-pipeline side it reports 11 Advanced Placement courses.
Counselor coverage is strong, about 205 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 37.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 15.4% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 283 in- and out-of-school suspensions were reported for 1,023 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 4 expulsions at this campus for 2021-22.
Carbondale Chsd 165 operates only this one school, so Carbondale Comm H S has no district-mates to compare against locally.
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 Carbondale Comm H S compares
Carbondale Comm H S on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.4:1 | ▲ 3% | 14:1 | 15.7:1 |
| Enrollment | 1,023 | top 7% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.4:1
Leaner classes than 53% of US schools, a middle-of-the-pack class size.
1,023
Bigger than 92% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
14.4:1
students per teacher
- 3% above state mean
Top 62% in Illinois - lower ratio than 38% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
37.0%
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
$20,059
per pupil, district-wide
- above Illinois avg of $17,042
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors5.0 FTE
Per 205 students, the combined health-and-guidance staffing load for this school.
Discipline context
221
in-school suspensions + 62 out-of-school
Suspension rate: 21.6 per 100 students. Combined in-school and out-of-school rate: 27.7 per 100 students. Reported via the Civil Rights Data Collection. Includes 4 expulsions.
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 45.9%
African American 30.5%
Hispanic or Latino 10.8%
Two or More 9.5%
Asian 3.0%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 45.9% of enrollment.
Student-body diversity index 67.5/100
Simpson diversity index - at 67.5, Carbondale Comm H S is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 11
Funding & spending
District-wide per-pupil expenditure for Carbondale Chsd 165, which includes Carbondale Comm H S.
$20,059
Per student
+18%
vs Illinois
Avg $17,042
+21%
vs U.S.
Avg $16,593
Revenue mix
Local 59.5%
State 25.2%
Federal 15.4%
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.
Similar high 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 (~1,023 students)
Next steps
Verify locally before acting on Carbondale Comm H S's federal record.
- Compare Carbondale Comm H S against another school. Compare schools
- Carbondale Chsd 165'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 Carbondale Comm H S
How many students attend Carbondale Comm H S?
Carbondale Comm H S has 1,023 students enrolled. It is a high school in Carbondale, IL.
What is the student-teacher ratio at Carbondale Comm H S?
The student-teacher ratio at Carbondale Comm H S is 14.4:1, which is 3% higher than the Illinois average of 14:1 and 8% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Carbondale Comm H S?
The largest demographic group at Carbondale Comm H S is White at 45.9% of enrollment, in Carbondale, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.5/100.
What is the Resource Investment Index for Carbondale Comm H S?
Carbondale Comm H S has a Resource Investment Index of 39/100 (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 Carbondale Comm H S rank among public schools in Carbondale?
By Resource Investment Index, Carbondale Comm H S ranks #5 of 7 public schools in Carbondale, 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 Carbondale on the city page.
Is Carbondale Comm H S a good school?
Carbondale Comm H S earns 39/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also more 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 Carbondale Chsd 165?
None reported; Carbondale Chsd 165 operates only Carbondale Comm H S as a public school district in NCES's records.
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.