Charleston High School
🇺🇸 Official data · 2025Charleston, Illinois 61920 · Charleston CUSD 1
#283 of 691 high schools in Illinois
#11183 of 16,910 nationally
About Charleston High School
Charleston High School is a public high located in Charleston, in the Charleston CUSD 1 school district of Illinois, United States. It caters for Grades 9–12. In 2025 it enrolled 795 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 39.0 out of 100, placing it in the lower 50% of high schools in United States and 283rd of 691 ranked high schools in Illinois. Its strongest component is community advantage (fewer free/reduced-price lunch) (59th percentile), and its weakest is reading proficiency (25th percentile).
Other published figures: enrollment 795.
There are 5 schools in Charleston; Charleston High School ranks 2nd of 5 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)32%
- Reading proficiency (30%)37%
- Community advantage (fewer free/reduced-price lunch) (25%)44.9%
- Students per teacher (15%)16.6
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Charleston High School by the official sources.
- Enrollment
- 795
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 44.9%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 16.6
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 37%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 32%
- Share of tested students proficient or above (all students, all grades).
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Schools near Charleston High School
Closest schools by straight-line distance, with their Success Index (US).
Mark Twain Elem School
Charleston · Public elementary · Grades PK–K
221 students · 320 m away
Charleston Middle School
Charleston · Public middle · Grades 7–8
401 students · 385 m away
Jefferson Elem School
Charleston · Public middle · Grades 4–6
698 students · 1.6 km away
Carl Sandburg Elem School
Charleston · Public elementary · Grades 1–3
555 students · 2.5 km away
Ashmore Elem School
Ashmore · Public elementary · Grades K–4
74 students · 13 km away
Similar schools
Public high schools in Illinois with a comparable Enrollment.
Geneseo High School
Geneseo · Public high · Grades 9–12
794 students
Englewood STEM High School
Chicago · Public high · Grades 9–12
778 students
Harvard High School
Harvard · Public high · Grades 9–12
815 students
King College Prep High School
Chicago · Public high · Grades 9–12
819 students
Beardstown Jr/Sr High School
Beardstown · Public high · Grades 5–12
820 students
East Peoria High School
East Peoria · Public high · Grades 9–12
823 students
Frequently asked questions
Is Charleston High School a good school?
Charleston High School has a Success Index (US) of 39.0 out of 100 (Lower 50% of high schools in United States) and ranks #283 of 691 in Illinois. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Charleston High School rank in Illinois?
Charleston High School ranks #283 of 691 high schools in Illinois and #11183 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Charleston High School?
Charleston High School had 795 students in 2025.
Is Charleston High School a elementary school or a high school?
Charleston High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Charleston High School?
There are 5 schools within 15 km of Charleston High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.