Dardenne Elem. vs Twin Chimneys Elem.
A head-to-head comparison of two elementary schools in Missouri, United States, 2.7 km apart, using official American 2025 data. The better value in each row is highlighted.
Dardenne Elem.
O'fallon · Public elementary · Grades K–5
445 students
Twin Chimneys Elem.
O'fallon · Public elementary · Grades K–5
488 students
| Measure | Dardenne Elem. O'fallon, Missouri | Twin Chimneys Elem. O'fallon, Missouri |
|---|---|---|
| Success Index (US) | 60 Top 50% | 83 Top 10% |
| State rank | #435 of 1,159 | #45 of 1,159 |
| National rank | #18169 of 50,301 | #3248 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–5 | Grades K–5 |
| Students | 445 | 488 |
| Enrollment | 445 | 488 |
| Free/reduced-price lunch | 46.1% | 8.2% |
| Students per teacher | 11.7 | 13.2 |
| Reading proficiency | 53% | 71% |
| Math proficiency | 45% | 65% |
| city | O'fallon | O'fallon |
| state | Missouri | Missouri |
| Website | – | – |
The verdict
- •Twin Chimneys Elem. scores higher on the Success Index (US) (83.3 vs 60.0).
- •Twin Chimneys Elem. does better on math proficiency (65% vs 45%).
- •Twin Chimneys Elem. does better on reading proficiency (71% vs 53%).
- •Twin Chimneys Elem. does better on community advantage (fewer free/reduced-price lunch) (8.2% vs 46.1%).
- •Dardenne Elem. does better on students per teacher (11.7 vs 13.2).
- •Twin Chimneys Elem. is the larger school with 488 students compared with 445.
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 Dardenne Elem. better than Twin Chimneys Elem.?
On the Success Index (US), Twin Chimneys Elem. ranks higher (83.3 vs 60.0 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 Dardenne Elem. and Twin Chimneys Elem.?
About 2.7 km in a straight line, between O'fallon and O'fallon in Missouri.
Which has the better Enrollment?
Dardenne Elem.: 445. Twin Chimneys Elem.: 488. Students enrolled in the latest NCES directory year.
How do Dardenne Elem. and Twin Chimneys Elem. rank in Missouri?
Dardenne Elem. is 435th of 1,159 and Twin Chimneys Elem. is 45th of 1,159 among elementary schools in Missouri on the 2025 Success Index (US).