Clay Elem School vs Dennis Lab School
A head-to-head comparison of two elementary schools in Illinois, United States, 237 km apart, using official American 2025 data. The better value in each row is highlighted.
Clay Elem School
Chicago · Public elementary · Grades PK–8
578 students
Dennis Lab School
Decatur · Public elementary · Grades K–8
579 students
| Measure | Clay Elem School Chicago, Illinois | Dennis Lab School Decatur, Illinois |
|---|---|---|
| Success Index (US) | 17 Lower 50% | 14 Lower 50% |
| State rank | #2024 of 2,303 | #2134 of 2,303 |
| National rank | #46749 of 50,301 | #47995 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades PK–8 | Grades K–8 |
| Students | 578 | 579 |
| Enrollment | 578 | 579 |
| Free/reduced-price lunch | 82.4% | 84.6% |
| Students per teacher | 14.5 | 16.5 |
| Reading proficiency | 16% | 24% |
| Math proficiency | 13% | 10% |
| city | Chicago | Decatur |
| state | Illinois | Illinois |
| Website | – | – |
The verdict
- •Clay Elem School scores higher on the Success Index (US) (16.7 vs 14.2).
- •Clay Elem School does better on math proficiency (13% vs 10%).
- •Dennis Lab School does better on reading proficiency (24% vs 16%).
- •Clay Elem School does better on community advantage (fewer free/reduced-price lunch) (82.4% vs 84.6%).
- •Clay Elem School does better on students per teacher (14.5 vs 16.5).
- •Dennis Lab School is the larger school with 579 students compared with 578.
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Clay Elem School better than Dennis Lab School?
On the Success Index (US), Clay Elem School ranks higher (16.7 vs 14.2 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 Clay Elem School and Dennis Lab School?
About 237 km in a straight line, between Chicago and Decatur in Illinois.
Which has the better Enrollment?
Clay Elem School: 578. Dennis Lab School: 579. Students enrolled in the latest NCES directory year.
How do Clay Elem School and Dennis Lab School rank in Illinois?
Clay Elem School is 2024th of 2,303 and Dennis Lab School is 2134th of 2,303 among elementary schools in Illinois on the 2025 Success Index (US).