Enrollment
171
Illinois · 2024-25 NCES data
High school (grades 9-12) · Hardin, IL
Calhoun High School
Federal NCES profile for Calhoun High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 171818002089
👥 S:T ratio 47
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 66
📋 Attendance 61
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Calhoun High School earns 43/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also less racially and ethnically mixed than most Illinois schools.
- 43
- Resource Index · Typical
- 13.2:1
- students per teacher
- 171
- students enrolled
Calhoun High School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
School address
District: Calhoun Cusd 40 · Illinois
NCES ID 171818002089 Verify on NCES CCD record →
Teachers (FTE)
13.0
Federal CCD staff survey
Students per teacher
13.2:1
vs 14:1 Illinois avg
-6% vs state
Student-teacher ratio in context
How Calhoun High School compares with Illinois and U.S. medians
What stands out at Calhoun High School
Calhoun High School is a small high school in Hardin, Illinois, enrolling 171 students.
At 13.2:1, its student-teacher ratio sits close to the Illinois median, within a few percentage points of the 14:1 state norm, neither notably crowded nor notably small.
Enrollment of 171 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 (96% of enrollment), among the less diverse in the state (diversity index 8/100).
On the academic-pipeline side it reports 2 Advanced Placement courses.
Counselor coverage is strong, about 171 students per counselor, inside the American School Counselor Association's recommended 250:1.
15.8% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Its district, Calhoun Cusd 40, also runs Calhoun Elementary/ Jr High Sch (336 students).
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 Calhoun High School compares
Calhoun High 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 | 13.2:1 | ▼ 6% | 14:1 | 15.7:1 |
| Enrollment | 171 | top 86% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.2:1
Leaner classes than 65% of US schools, a middle-of-the-pack class size.
171
Bigger than 17% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Staffing depth
13.2:1
students per teacher
- 6% below state mean
Top 45% in Illinois - lower ratio than 55% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
15.8%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$13,757
per pupil, district-wide
- below Illinois avg of $17,042
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 171 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 3 out-of-school
Suspension rate: 1.2 per 100 students. Combined in-school and out-of-school rate: 2.9 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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 95.9%
Hispanic or Latino 2.3%
Two or More 1.8%
Largest group: White at 95.9% of enrollment.
Student-body diversity index 7.9/100
Simpson diversity index - at 7.9, Calhoun High School is less mixed than the Illinois school average of 38.9.
Programs
AP courses offered 2
Funding & spending
District-wide per-pupil expenditure for Calhoun Cusd 40, which includes Calhoun High School.
$13,757
Per student
-19%
vs Illinois
Avg $17,042
-17%
vs U.S.
Avg $16,593
Revenue mix
Local 43.2%
State 45.1%
Federal 11.7%
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 Calhoun High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Calhoun Elementary/ Jr High Sch | Larger | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Calhoun High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 336
- Students per teacher
- 10.8:1
- Resource Index
- 54/100
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 (~171 students)
Similar student-teacher ratio (~13.2:1)
Next steps
Verify locally before acting on Calhoun High School's federal record.
- Compare Calhoun High School against another school. Compare schools
- Calhoun Cusd 40'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 Calhoun High School
How many students attend Calhoun High School?
Calhoun High School has 171 students enrolled. It is a high school in Hardin, IL.
What is the student-teacher ratio at Calhoun High School?
The student-teacher ratio at Calhoun High School is 13.2:1, which is 6% lower than the Illinois average of 14:1 and 16% 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 Calhoun High School?
The largest demographic group at Calhoun High School is White at 95.9% of enrollment, in Hardin, IL.
What is the Resource Investment Index for Calhoun High School?
Calhoun High School has a Resource Investment Index of 43/100 (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).
Is Calhoun High School a good school?
Calhoun High School earns 43/100 on the Resource Investment Index, with class sizes near the Illinois median. 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 Calhoun Cusd 40?
Besides Calhoun High School, Calhoun Cusd 40 also operates Calhoun Elementary/ Jr High Sch (336 students). See the Calhoun Cusd 40 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.