Sullivan High School
🇺🇸 Official data · 2025Sullivan, Illinois 61951 · Sullivan CUSD 300
#413 of 691 high schools in Illinois
#13148 of 16,910 nationally
About Sullivan High School
Sullivan High School is a public high located in Sullivan, in the Sullivan CUSD 300 school district of Illinois, United States. It caters for Grades 9–12. In 2025 it enrolled 317 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 30.9 out of 100, placing it in the lower 50% of high schools in United States and 413th of 691 ranked high schools in Illinois. Its strongest component is community advantage (fewer free/reduced-price lunch) (61th percentile), and its weakest is reading proficiency (13th percentile).
Other published figures: enrollment 317.
There are 3 schools in Sullivan; Sullivan High School ranks 2nd of 3 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)17%
- Reading proficiency (30%)27%
- Community advantage (fewer free/reduced-price lunch) (25%)43.8%
- Students per teacher (15%)15.1
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 Sullivan High School by the official sources.
- Enrollment
- 317
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 43.8%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 15.1
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 27%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 17%
- Share of tested students proficient or above (all students, all grades).
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Schools near Sullivan High School
Closest schools by straight-line distance, with their Success Index (US).
Sullivan Middle School
Sullivan · Public middle · Grades 6–8
266 students · 0 m away
Sullivan Elem School
Sullivan · Public elementary · Grades PK–5
565 students · 236 m away
Lovington Grade School
Lovington · Public elementary · Grades PK–8
148 students · 12 km away
Okaw Valley High School
Bethany · Public high · Grades 9–12
162 students · 12 km away
Okaw Valley Elementary School
Bethany · Public elementary · Grades PK–4
170 students · 12 km away
Similar schools
Public high schools in Illinois with a comparable Enrollment.
University of Illinois High Sch
Urbana · Public high · Grades 7–12
319 students
Chicago Technology Academy HS
Chicago · Public high · Grades 9–12
315 students
Momence High School
Momence · Public high · Grades 9–12
315 students
Nokomis Jr/Sr High Sch
Nokomis · Public high · Grades 6–12
314 students
Pecatonica High School
Pecatonica · Public high · Grades 9–12
313 students
Rolling Acres Middle School
Peoria · Public high · Grades 5–12
321 students
Frequently asked questions
Is Sullivan High School a good school?
Sullivan High School has a Success Index (US) of 30.9 out of 100 (Lower 50% of high schools in United States) and ranks #413 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 Sullivan High School rank in Illinois?
Sullivan High School ranks #413 of 691 high schools in Illinois and #13148 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Sullivan High School?
Sullivan High School had 317 students in 2025.
Is Sullivan High School a elementary school or a high school?
Sullivan High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Sullivan High School?
There are 5 schools within 15 km of Sullivan High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.