Robertson Charter School vs Stephen Decatur Middle School
A head-to-head comparison of two schools in Illinois, United States, 3.4 km apart, using official American 2025 data. The better value in each row is highlighted.
Robertson Charter School
Decatur · Charter elementary · Grades PK–8
327 students
Stephen Decatur Middle School
Decatur · Public middle · Grades 7–8
413 students
| Measure | Robertson Charter School Decatur, Illinois | Stephen Decatur Middle School Decatur, Illinois |
|---|---|---|
| Success Index (US) | 12 Lower 50% | 9 Lower 50% |
| State rank | #2213 of 2,303 | #664 of 670 |
| National rank | #49003 of 50,301 | #15173 of 15,369 |
| Sector | Charter | Public |
| Type | Elementary | Middle |
| Year range | Grades PK–8 | Grades 7–8 |
| Students | 327 | 413 |
| Enrollment | 327 | 413 |
| Free/reduced-price lunch | 63.9% | 85.7% |
| Students per teacher | 29.7 | 18.0 |
| Reading proficiency | 7% | 11% |
| Math proficiency | 2% | 4% |
| city | Decatur | Decatur |
| state | Illinois | Illinois |
| Website | – | – |
The verdict
- •Robertson Charter School scores higher on the Success Index (US) (11.6 vs 9.0).
- •Stephen Decatur Middle School does better on math proficiency (4% vs 2%).
- •Stephen Decatur Middle School does better on reading proficiency (11% vs 7%).
- •Robertson Charter School does better on community advantage (fewer free/reduced-price lunch) (63.9% vs 85.7%).
- •Stephen Decatur Middle School does better on students per teacher (18.0 vs 29.7).
- •Stephen Decatur Middle School is the larger school with 413 students compared with 327.
- •Robertson Charter School is a charter school while Stephen Decatur Middle School is a public school, so fees and admission rules differ.
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 Robertson Charter School better than Stephen Decatur Middle School?
On the Success Index (US), Robertson Charter School ranks higher (11.6 vs 9.0 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 Robertson Charter School and Stephen Decatur Middle School?
About 3.4 km in a straight line, between Decatur and Decatur in Illinois.
Which has the better Enrollment?
Robertson Charter School: 327. Stephen Decatur Middle School: 413. Students enrolled in the latest NCES directory year.
How do Robertson Charter School and Stephen Decatur Middle School rank in Illinois?
Robertson Charter School is 2213th of 2,303 and Stephen Decatur Middle School is 664th of 670 among elementary schools in Illinois on the 2025 Success Index (US).