Enrollment
1,023
Illinois · 2024-25 NCES data
2024-25 NCES data High school (grades 9-12) NCES 170837000454
Carbondale Comm H S — Carbondale, IL
Federal NCES profile for Carbondale Comm H S, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 39/100.
👥 Class size 44
📚 AP courses 55
🌟 Gifted program 30
🎓 Counselors 59
📋 Attendance 8
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Carbondale Chsd 165 · Illinois
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
71.0
Federal CCD staff survey
Students per teacher
14:1
vs 14.6:1 Illinois avg
-4% vs state
Student-teacher ratio in context
How Carbondale Comm H S compares with Illinois and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Carbondale Comm H S reports 1,023 enrolled students to the National Center for Education Statistics (NCES) alongside 71.0 full-time-equivalent teachers, producing a 14:1 student-teacher ratio. That figure sits 4% below the Illinois state mean of 14.6:1, signalling more teacher attention per pupil than the state benchmark. Against the national 2024-25 average of 15.9:1, it is 12% lower, a useful calibration for families comparing districts across state lines.
The school offers 11 Advanced Placement courses, a stronger academic pipeline indicator than enrollment alone. Counselor coverage works out to roughly 205 students per counselor, meeting the American School Counselor Association recommendation of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 37.0% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Carbondale Chsd 165 spends $23,897 per pupil district-wide, above the Illinois average of $20,099 and above the national average of $19,490. Revenue comes 59.5% from local sources (property taxes), 25.2% from the state, and 15.4% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 39/100 (F), calculated from 5 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Carbondale Comm H S compares
Cross-validating school-level NCES values against Illinois state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14:1 | ▼ 4% | 14.6:1 | 15.9:1 |
| Enrollment | 1,023 | top 93% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Staffing depth
14:1
students per teacher
— 4% below state mean
Top 56% in Illinois — lower ratio than 44% of state schools
Below the 15:1 benchmark — typical of schools with smaller class sizes and more individualized attention.
Engagement
37.0%
chronically absent (missed 10%+ of school days)
Chronic absenteeism at or above 20% — the CDC threshold for "high" — signals significant barriers to regular attendance.
Funding equity
$23,897
per pupil, district-wide
— above Illinois avg of $20,099
Above the U.S. public-school average, reflecting 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
Enrollment 1,023 Top 93% in Illinois — larger than 7% of 3,845 state schools
Teachers (FTE) 71.0
Students per teacher 14:1 -4% vs state
Free-lunch eligible —
NCES ID 170837000454
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.
Programs & staff
AP courses offered 11
Counselors (FTE) 5.0
Students per counselor 205:1
Discipline & special education
Chronically absent 37.0%
In-school suspensions 221
Out-of-school suspensions 62
Expulsions 4
Funding & spending
District-wide per-pupil expenditure for Carbondale Chsd 165, which includes Carbondale Comm H S.
$23,897
Per student
+19%
vs Illinois
Avg $20,099
+23%
vs U.S.
Avg $19,490
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.
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
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 14:1, which is 4% lower than the Illinois average of 14.6:1 and 12% lower than the national average of 15.9:1. Lower ratios generally mean more individual attention per student.
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%. The school serves a diverse student body in Carbondale, IL.
What is the Resource Investment Index for Carbondale Comm H S?
Carbondale Comm H S has a Resource Investment Index of 39/100 (F) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.