Calvin Nelms H S vs Robinson El
A head-to-head comparison of two schools in Texas, United States, 1.0 km apart, using official American 2025 data. The better value in each row is highlighted.
Calvin Nelms H S
Katy · Charter high · Grades 9–12
183 students
Robinson El
Katy · Public elementary · Grades PK–5
908 students
| Measure | Calvin Nelms H S Katy, Texas | Robinson El Katy, Texas |
|---|---|---|
| Success Index (US) | 71 Top 25% | 37 Lower 50% |
| State rank | #213 of 1,419 | #3068 of 4,686 |
| National rank | #3177 of 16,910 | #34274 of 50,301 |
| Sector | Charter | Public |
| Type | High | Elementary |
| Year range | Grades 9–12 | Grades PK–5 |
| Students | 183 | 908 |
| Enrollment | 183 | 908 |
| Free/reduced-price lunch | – | 81.6% |
| Students per teacher | 18.3 | 16.5 |
| Reading proficiency | 74.5% | 43% |
| Math proficiency | 64.5% | 44% |
| city | Katy | Katy |
| state | Texas | Texas |
| Website | – | – |
The verdict
- •Calvin Nelms H S scores higher on the Success Index (US) (70.5 vs 36.6).
- •Calvin Nelms H S does better on math proficiency (64.5% vs 44%).
- •Calvin Nelms H S does better on reading proficiency (74.5% vs 43%).
- •Robinson El does better on students per teacher (16.5 vs 18.3).
- •Robinson El is the larger school with 908 students compared with 183.
- •Calvin Nelms H S is a charter school while Robinson El 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 Calvin Nelms H S better than Robinson El?
On the Success Index (US), Calvin Nelms H S ranks higher (70.5 vs 36.6 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 Calvin Nelms H S and Robinson El?
About 1.0 km in a straight line, between Katy and Katy in Texas.
Which has the better Enrollment?
Calvin Nelms H S: 183. Robinson El: 908. Students enrolled in the latest NCES directory year.
How do Calvin Nelms H S and Robinson El rank in Texas?
Calvin Nelms H S is 213th of 1,419 and Robinson El is 3068th of 4,686 among high schools in Texas on the 2025 Success Index (US).