Ostmann Elem. vs Twin Chimneys Elem.
A head-to-head comparison of two elementary schools in Missouri, United States, 972 m apart, using official American 2025 data. The better value in each row is highlighted.
Ostmann Elem.
O'fallon · Public elementary · Grades K–5
362 students
Twin Chimneys Elem.
O'fallon · Public elementary · Grades K–5
488 students
| Measure | Ostmann Elem. O'fallon, Missouri | Twin Chimneys Elem. O'fallon, Missouri |
|---|---|---|
| Success Index (US) | 85 Top 5% | 83 Top 10% |
| State rank | #25 of 1,159 | #45 of 1,159 |
| National rank | #2417 of 50,301 | #3248 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–5 | Grades K–5 |
| Students | 362 | 488 |
| Enrollment | 362 | 488 |
| Free/reduced-price lunch | 8.6% | 8.2% |
| Students per teacher | 12.5 | 13.2 |
| Reading proficiency | 72% | 71% |
| Math proficiency | 66% | 65% |
| city | O'fallon | O'fallon |
| state | Missouri | Missouri |
| Website | – | – |
The verdict
- •Ostmann Elem. scores higher on the Success Index (US) (85.1 vs 83.3).
- •Ostmann Elem. does better on math proficiency (66% vs 65%).
- •Ostmann Elem. does better on reading proficiency (72% vs 71%).
- •Twin Chimneys Elem. does better on community advantage (fewer free/reduced-price lunch) (8.2% vs 8.6%).
- •Ostmann Elem. does better on students per teacher (12.5 vs 13.2).
- •Twin Chimneys Elem. is the larger school with 488 students compared with 362.
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 Ostmann Elem. better than Twin Chimneys Elem.?
On the Success Index (US), Ostmann Elem. ranks higher (85.1 vs 83.3 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 Ostmann Elem. and Twin Chimneys Elem.?
About 972 m in a straight line, between O'fallon and O'fallon in Missouri.
Which has the better Enrollment?
Ostmann Elem.: 362. Twin Chimneys Elem.: 488. Students enrolled in the latest NCES directory year.
How do Ostmann Elem. and Twin Chimneys Elem. rank in Missouri?
Ostmann Elem. is 25th of 1,159 and Twin Chimneys Elem. is 45th of 1,159 among elementary schools in Missouri on the 2025 Success Index (US).