Granite City High School vs Thomas Kelly College Preparatory
A head-to-head comparison of two high schools in Illinois, United States, 402 km apart, using official American 2025 data. The better value in each row is highlighted.
Granite City High School
Granite City · Public high · Grades 9–12
1,755 students
Thomas Kelly College Preparatory
Chicago · Public high · Grades 9–12
1,762 students
| Measure | Granite City High School Granite City, Illinois | Thomas Kelly College Preparatory Chicago, Illinois |
|---|---|---|
| Success Index (US) | 17 Lower 50% | 15 Lower 50% |
| State rank | #575 of 691 | #608 of 691 |
| National rank | #15780 of 16,910 | #16059 of 16,910 |
| Sector | Public | Public |
| Type | High | High |
| Year range | Grades 9–12 | Grades 9–12 |
| Students | 1,755 | 1,762 |
| Enrollment | 1,755 | 1,762 |
| Free/reduced-price lunch | 62.8% | 93.9% |
| Students per teacher | 20.2 | 14.3 |
| Reading proficiency | 19% | 10% |
| Math proficiency | 15% | 14% |
| city | Granite City | Chicago |
| state | Illinois | Illinois |
| Website | – | – |
The verdict
- •Granite City High School scores higher on the Success Index (US) (16.9 vs 15.0).
- •Granite City High School does better on math proficiency (15% vs 14%).
- •Granite City High School does better on reading proficiency (19% vs 10%).
- •Granite City High School does better on community advantage (fewer free/reduced-price lunch) (62.8% vs 93.9%).
- •Thomas Kelly College Preparatory does better on students per teacher (14.3 vs 20.2).
- •Thomas Kelly College Preparatory is the larger school with 1,762 students compared with 1,755.
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
Free academic assessment
Torn between two schools? Start with your child.
Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Frequently asked questions
Is Granite City High School better than Thomas Kelly College Preparatory?
On the Success Index (US), Granite City High School ranks higher (16.9 vs 15.0 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Granite City High School and Thomas Kelly College Preparatory?
About 402 km in a straight line, between Granite City and Chicago in Illinois.
Which has the better Enrollment?
Granite City High School: 1,755. Thomas Kelly College Preparatory: 1,762. Students enrolled in the latest NCES directory year.
How do Granite City High School and Thomas Kelly College Preparatory rank in Illinois?
Granite City High School is 575th of 691 and Thomas Kelly College Preparatory is 608th of 691 among high schools in Illinois on the 2025 Success Index (US).