Castlio Elem. vs Fairmount Elem.
A head-to-head comparison of two elementary schools in Missouri, United States, 4.1 km apart, using official American 2025 data. The better value in each row is highlighted.
Castlio Elem.
ST Charles · Public elementary · Grades K–5
847 students
Fairmount Elem.
ST Peters · Public elementary · Grades K–5
971 students
| Measure | Castlio Elem. ST Charles, Missouri | Fairmount Elem. ST Peters, Missouri |
|---|---|---|
| Success Index (US) | 83 Top 10% | 75 Top 25% |
| State rank | #44 of 1,159 | #138 of 1,159 |
| National rank | #3212 of 50,301 | #7886 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–5 | Grades K–5 |
| Students | 847 | 971 |
| Enrollment | 847 | 971 |
| Free/reduced-price lunch | 12.2% | 20.8% |
| Students per teacher | 13.0 | 13.1 |
| Reading proficiency | 69% | 62% |
| Math proficiency | 67% | 58% |
| city | ST Charles | ST Peters |
| state | Missouri | Missouri |
| Website | – | – |
The verdict
- •Castlio Elem. scores higher on the Success Index (US) (83.3 vs 75.1).
- •Castlio Elem. does better on math proficiency (67% vs 58%).
- •Castlio Elem. does better on reading proficiency (69% vs 62%).
- •Castlio Elem. does better on community advantage (fewer free/reduced-price lunch) (12.2% vs 20.8%).
- •Castlio Elem. does better on students per teacher (13.0 vs 13.1).
- •Fairmount Elem. is the larger school with 971 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 Castlio Elem. better than Fairmount Elem.?
On the Success Index (US), Castlio Elem. ranks higher (83.3 vs 75.1 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 Castlio Elem. and Fairmount Elem.?
About 4.1 km in a straight line, between ST Charles and ST Peters in Missouri.
Which has the better Enrollment?
Castlio Elem.: 847. Fairmount Elem.: 971. Students enrolled in the latest NCES directory year.
How do Castlio Elem. and Fairmount Elem. rank in Missouri?
Castlio Elem. is 44th of 1,159 and Fairmount Elem. is 138th of 1,159 among elementary schools in Missouri on the 2025 Success Index (US).