Gateway Science Acad/ST Louis vs Mason Elem.
A head-to-head comparison of two elementary schools in Missouri, United States, 1.2 km apart, using official American 2025 data. The better value in each row is highlighted.
Gateway Science Acad/ST Louis
St. Louis · Charter elementary · Grades PK–5
377 students
Mason Elem.
ST Louis · Public elementary · Grades PK–6
393 students
| Measure | Gateway Science Acad/ST Louis St. Louis, Missouri | Mason Elem. ST Louis, Missouri |
|---|---|---|
| Success Index (US) | 63 Top 50% | 35 Lower 50% |
| State rank | #380 of 1,159 | #872 of 1,159 |
| National rank | #16171 of 50,301 | #35042 of 50,301 |
| Sector | Charter | Public |
| Type | Elementary | Elementary |
| Year range | Grades PK–5 | Grades PK–6 |
| Students | 377 | 393 |
| Enrollment | 377 | 393 |
| Free/reduced-price lunch | 48.8% | 100% |
| Students per teacher | 12.6 | 11.2 |
| Reading proficiency | 59% | 41% |
| Math proficiency | 48% | 41% |
| city | St. Louis | ST Louis |
| state | Missouri | Missouri |
| Website | – | – |
The verdict
- •Gateway Science Acad/ST Louis scores higher on the Success Index (US) (62.9 vs 35.4).
- •Gateway Science Acad/ST Louis does better on math proficiency (48% vs 41%).
- •Gateway Science Acad/ST Louis does better on reading proficiency (59% vs 41%).
- •Gateway Science Acad/ST Louis does better on community advantage (fewer free/reduced-price lunch) (48.8% vs 100%).
- •Mason Elem. does better on students per teacher (11.2 vs 12.6).
- •Mason Elem. is the larger school with 393 students compared with 377.
- •Gateway Science Acad/ST Louis is a charter school while Mason Elem. 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 Gateway Science Acad/ST Louis better than Mason Elem.?
On the Success Index (US), Gateway Science Acad/ST Louis ranks higher (62.9 vs 35.4 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 Gateway Science Acad/ST Louis and Mason Elem.?
About 1.2 km in a straight line, between St. Louis and ST Louis in Missouri.
Which has the better Enrollment?
Gateway Science Acad/ST Louis: 377. Mason Elem.: 393. Students enrolled in the latest NCES directory year.
How do Gateway Science Acad/ST Louis and Mason Elem. rank in Missouri?
Gateway Science Acad/ST Louis is 380th of 1,159 and Mason Elem. is 872nd of 1,159 among elementary schools in Missouri on the 2025 Success Index (US).