Centennial Elementary vs South Union Elementary School
A head-to-head comparison of two elementary schools in Iowa, United States, 17 km apart, using official American 2025 data. The better value in each row is highlighted.
Centennial Elementary
Altoona · Public elementary · Grades PK–5
423 students
South Union Elementary School
Des Moines · Public elementary · Grades K–5
422 students
| Measure | Centennial Elementary Altoona, Iowa | South Union Elementary School Des Moines, Iowa |
|---|---|---|
| Success Index (US) | 86 Top 5% | 34 Lower 50% |
| State rank | #88 of 654 | #646 of 654 |
| National rank | #2083 of 50,301 | #35817 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades PK–5 | Grades K–5 |
| Students | 423 | 422 |
| Enrollment | 423 | 422 |
| Free/reduced-price lunch | 38.1% | 84.8% |
| Students per teacher | 13.2 | 12.8 |
| Reading proficiency | 84% | 34% |
| Math proficiency | 81% | 38% |
| city | Altoona | Des Moines |
| state | Iowa | Iowa |
| Website | – | – |
The verdict
- •Centennial Elementary scores higher on the Success Index (US) (85.8 vs 34.2).
- •Centennial Elementary does better on math proficiency (81% vs 38%).
- •Centennial Elementary does better on reading proficiency (84% vs 34%).
- •Centennial Elementary does better on community advantage (fewer free/reduced-price lunch) (38.1% vs 84.8%).
- •South Union Elementary School does better on students per teacher (12.8 vs 13.2).
- •Centennial Elementary is the larger school with 423 students compared with 422.
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 Centennial Elementary better than South Union Elementary School?
On the Success Index (US), Centennial Elementary ranks higher (85.8 vs 34.2 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 Centennial Elementary and South Union Elementary School?
About 17 km in a straight line, between Altoona and Des Moines in Iowa.
Which has the better Enrollment?
Centennial Elementary: 423. South Union Elementary School: 422. Students enrolled in the latest NCES directory year.
How do Centennial Elementary and South Union Elementary School rank in Iowa?
Centennial Elementary is 88th of 654 and South Union Elementary School is 646th of 654 among elementary schools in Iowa on the 2025 Success Index (US).