Enrollment
795
Illinois · 2024-25 NCES data
High school (grades 9-12) · Charleston, IL
Charleston High School
Federal NCES profile for Charleston High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 22/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 170960000567
👥 S:T ratio 34
📚 AP courses 25
🌟 Gifted program 30
🎓 Counselors 21
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Charleston High School earns 22/100 on the Resource Investment Index, with class sizes larger than 84% of Illinois schools.
- #5 of 5
- public schools in Charleston · Resource Index
- 22
- Resource Index · Lower
- 16.6:1
- large classes for Illinois
- 795
- students enrolled
Charleston High School has class sizes larger than 84% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Charleston High School ranks #5 of 5 public schools in Charleston, IL.
School address
District: Charleston Cusd 1 · Illinois
NCES ID 170960000567 Verify on NCES CCD record →
Teachers (FTE)
48.0
Federal CCD staff survey
Students per teacher
16.6:1
vs 14:1 Illinois avg
+19% vs state
Student-teacher ratio in context
How Charleston High School compares with Illinois and U.S. medians
What stands out at Charleston High School
Charleston High School is a large high school in Charleston, Illinois, enrolling 795 students.
Class loads run somewhat heavier than typical: 16.6:1 puts it in the larger third of Illinois schools by student-teacher ratio.
Enrollment of 795 puts it in the larger third of Illinois schools by headcount.
Its Resource Investment Index trails 94% of the 3,845 Illinois schools with a score on record, one of the lower results on this measure.
Its student body is led by White (78%) and Two or More (7%) (diversity index 37/100).
On the academic-pipeline side it reports 5 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 398 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 47.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Charleston Cusd 1 spends $12,259 per pupil, 28% below the Illinois average, a leaner-resourced district than most.
The federal civil-rights collection also records 4 expulsions at this campus for 2021-22.
Charleston Cusd 1 also operates Jefferson Elem School (698 students) and Carl Sandburg Elem School (555 students) alongside Charleston High 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 Charleston High School compares
Charleston 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 | 16.6:1 | ▲ 19% | 14:1 | 15.7:1 |
| Enrollment | 795 | top 11% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.6:1
Leaner classes than 33% of US schools, heavier class loads than most.
795
Bigger than 85% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
16.6:1
students per teacher
- 19% above state mean
Top 84% in Illinois - lower ratio than 16% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
47.3%
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
$12,259
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
Counselors2.0 FTE
Per 398 students, the combined health-and-guidance staffing load for this school.
Discipline context
61
in-school suspensions + 36 out-of-school
Suspension rate: 7.7 per 100 students. Combined in-school and out-of-school rate: 12.2 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 78.2%
Two or More 7.4%
African American 7.3%
Hispanic or Latino 5.9%
Asian 1.0%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 78.2% of enrollment.
Student-body diversity index 37.4/100
Simpson diversity index - at 37.4, Charleston High School is about as mixed as the Illinois school average of 38.9.
Programs
AP courses offered 5
Funding & spending
District-wide per-pupil expenditure for Charleston Cusd 1, which includes Charleston High School.
$12,259
Per student
-28%
vs Illinois
Avg $17,042
-26%
vs U.S.
Avg $16,593
Revenue mix
Local 46.9%
State 39.1%
Federal 14.0%
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 Charleston High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Jefferson Elem School | Similar size | No free-lunch data | Higher S:T ratio |
| Carl Sandburg Elem School | Smaller | No free-lunch data | Lower S:T ratio |
| Charleston Middle School | Smaller | No free-lunch data | Lower S:T ratio |
| Mark Twain Elem School | Smaller | No free-lunch data | Lower S:T ratio |
| Ashmore Elem School | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Charleston High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 698
- Students per teacher
- 19.9:1
- Resource Index
- 36/100
- Enrollment
- 555
- Students per teacher
- 14.2:1
- Resource Index
- 28/100
- Enrollment
- 401
- Students per teacher
- 14.3:1
- Resource Index
- 38/100
- Enrollment
- 221
- Students per teacher
- 14.7:1
- Resource Index
- 24/100
- Enrollment
- 74
- Students per teacher
- 10.6:1
- Resource Index
- 65/100
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 (~795 students)
Next steps
Verify locally before acting on Charleston High School's federal record.
- Compare Charleston High School against another school. Compare schools
- Charleston Cusd 1'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 Charleston High School
How many students attend Charleston High School?
Charleston High School has 795 students enrolled. It is a high school in Charleston, IL.
What is the student-teacher ratio at Charleston High School?
The student-teacher ratio at Charleston High School is 16.6:1, which is 19% higher than the Illinois average of 14:1 and 6% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Charleston High School?
The largest demographic group at Charleston High School is White at 78.2% of enrollment, in Charleston, IL.
What is the Resource Investment Index for Charleston High School?
Charleston High School has a Resource Investment Index of 22/100 (lower 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 Charleston High School rank among public schools in Charleston?
By Resource Investment Index, Charleston High School ranks #5 of 5 public schools in Charleston, 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 Charleston on the city page.
Is Charleston High School a good school?
Charleston High School earns 22/100 on the Resource Investment Index, with class sizes larger than 84% of 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 Charleston Cusd 1?
Besides Charleston High School, Charleston Cusd 1 also operates Jefferson Elem School (698 students), Carl Sandburg Elem School (555 students), and Charleston Middle School (401 students). See the Charleston Cusd 1 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.