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 21/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 170960000567
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Compiled from official source data by .
0/100100/10021/100
👥 S:T ratio
34
🌟 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 21/100 on the Resource Investment Index, with class sizes larger than 84% of Illinois schools.

#5 of 5
public schools in Charleston · Resource Index
21
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

Charleston, IL 61920
District: Charleston Cusd 1 · Illinois

NCES ID 170960000567 Verify on NCES CCD record →

CCD year-over-year · 2022-23 → 2023-24

+14 students YoY

Charleston High School held near 780 students from 2022-23 to 2023-24 (+14 headcount).

Teacher FTE lost 48.5 → 47.0 across the same CCD years.

Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).

Steady CCD campus

+14 students YoY 170960000567 · Charleston, IL High · MID · TRAD

795 enr · 16.6:1 · RII 21

Nearest enrollment peer: Jefferson Elem School (698 students)

Charleston High School held near 780 students from 2022-23 to 2023-24 (+14 headcount). Teacher FTE lost 48.5 → 47.0 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →

Charleston High School in the enrollment neighbourhood

Fall enrollment among this campus and nearest district peers

students

What this shows Charleston High School reports 795 students on the CCD universe file.

Source U.S. Department of Education, NCES Common Core of Data (Public School Universe) As of 2024-25

How Charleston High School compares

Charleston High School held steady on CCD headcount: ratios and free-lunch share vs 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 methodology

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
$13,841
per pupil, district-wide - below Illinois avg of $18,196
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.

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

District finance for Charleston Cusd 1 reports $13,841 per pupil (NCES F-33) - open the district page for the full revenue mix.

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

Charleston Cusd 1 · 5 sibling schools

View district profile

Nationwide high schools with similar size or staffing

Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.

Similar enrollment (~795 students)

Similar student-teacher ratio (~16.6:1)

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. CCD year-over-year: 766 (2022-23) → 780 (2023-24), nearly flat (+14).

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 21/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. 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.

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.

Read our methodology - how this data is sourced, computed, and verified.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2022-23) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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Compiled from official source data by .