School overview
At a glance
Reported students
795
NCES CCD 2024–25, where reported
Teachers (FTE)
48
NCES CCD 2024–25
Student–teacher ratio
16.6:1
Calculated, not a class-size measure
Grades served
09–12
NCES preliminary directory 2025–26
School benchmarks
Illinois high enrollment
74th percentile
Compared with 966 same-level schools reporting enrollment.
District median enrollment
478
Charleston High School: 795 reported students.
State peer staffing position
89th percentile
16.6:1 reported; state peer median 12.6:1. Ratio is not class size.
Profile interpretation
What the reported data says about Charleston High School
Charleston High School is a public high school serving grades 09–12 in Charleston. It is one of 6 current school records connected to Charleston CUSD 1. NCES reports 795 students for 2024–25.
Among 966 high schools in Illinois with comparable records, this school is larger than the reported median of 254 students. Its enrollment is at approximately the 74th percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 16.6:1, above the Illinois median of 12.6:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The two largest reported race and ethnicity groups are White (78.2%) and multiracial (7.4%). English learners represent 0.5% of enrollment. Students served under IDEA represent 15%. These figures help families understand who the school serves; they are not rating inputs.
The 2021–22 civil-rights collection reports access to Advanced Placement, computer science. The school reported 5 AP courses. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.
Turn data into a school visit
Questions worth asking Charleston High School
- 1How do the reported 16.6:1 student–teacher ratio and 48 teacher FTE translate into actual class sizes by grade?
- 2Have the reported academic programs changed since the 2021–22 CRDC collection?
- 3How are the school's 2 counselor FTE allocated across grades and student needs?
- 4Does community eligibility provide breakfast and lunch to every enrolled student, and are summer meals available?
Student context
Enrollment needs
- English learners
- 0.5%
- Students with disabilities
- 15%
- Free/reduced-price lunch
- 44.9%
- Lunch program
- Yes under Community Eligibility Option (CEO)
People available to students
Support staff
- Counselors (FTE)
- 2
- Nurses (FTE)
- 1
- Psychologists (FTE)
- 0
- Social workers (FTE)
- 2
Student demographics
Race and ethnicity share of reported enrollment
- White78.2%
- Hispanic5.9%
- Black7.3%
- Asian1%
- American Indian / Alaska Native0%
- Native Hawaiian / Pacific Islander0.1%
- Multiracial7.4%
Race/ethnicity: NCES CCD 2024–25 where reported, otherwise CRDC 2021–22. English learner and disability context: CRDC 2021–22. Privacy rules can produce missing values.
Learning opportunities
Programs reported by the school
Advanced Placement
Offered
5 courses reported
Gifted and talented
Not reported as offered
Computer science
Offered
Program availability is from CRDC 2021–22 and can change. Confirm current courses and eligibility with the school.
Continue exploring
Other schools in Charleston CUSD 1
Start with campuses at the same school level or with similar reported enrollment.
Jefferson Elem School
Middle · Grades 04–06
698 reported students
Carl Sandburg Elem School
Elementary · Grades 01–03
555 reported students
Charleston Middle School
Middle · Grades 07–08
401 reported students
Mark Twain Elem School
Elementary · Grades PK–KG
221 reported students
Ashmore Elem School
Elementary · Grades KG–04
74 reported students