Bayless Elementary vs Castlio Elem.
A head-to-head comparison of two elementary schools in Missouri, United States, 32 km apart, using official American 2025 data. The better value in each row is highlighted.
Bayless Elementary
ST Louis · Public elementary · Grades PK–5
858 students
Castlio Elem.
ST Charles · Public elementary · Grades K–5
847 students
| Measure | Bayless Elementary ST Louis, Missouri | Castlio Elem. ST Charles, Missouri |
|---|---|---|
| Success Index (US) | 55 Top 50% | 83 Top 10% |
| State rank | #529 of 1,159 | #44 of 1,159 |
| National rank | #21366 of 50,301 | #3212 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades PK–5 | Grades K–5 |
| Students | 858 | 847 |
| Enrollment | 858 | 847 |
| Free/reduced-price lunch | 56.9% | 12.2% |
| Students per teacher | 14.5 | 13.0 |
| Reading proficiency | 54% | 69% |
| Math proficiency | 50% | 67% |
| city | ST Louis | ST Charles |
| state | Missouri | Missouri |
| Website | – | – |
The verdict
- •Castlio Elem. scores higher on the Success Index (US) (83.3 vs 55.4).
- •Castlio Elem. does better on math proficiency (67% vs 50%).
- •Castlio Elem. does better on reading proficiency (69% vs 54%).
- •Castlio Elem. does better on community advantage (fewer free/reduced-price lunch) (12.2% vs 56.9%).
- •Castlio Elem. does better on students per teacher (13.0 vs 14.5).
- •Bayless Elementary is the larger school with 858 students compared with 847.
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 Bayless Elementary better than Castlio Elem.?
On the Success Index (US), Castlio Elem. ranks higher (83.3 vs 55.4 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 Bayless Elementary and Castlio Elem.?
About 32 km in a straight line, between ST Louis and ST Charles in Missouri.
Which has the better Enrollment?
Bayless Elementary: 858. Castlio Elem.: 847. Students enrolled in the latest NCES directory year.
How do Bayless Elementary and Castlio Elem. rank in Missouri?
Bayless Elementary is 529th of 1,159 and Castlio Elem. is 44th of 1,159 among elementary schools in Missouri on the 2025 Success Index (US).