El Sierra Elem School vs O Neill Middle School
A head-to-head comparison of two schools in Illinois, United States, 1.9 km apart, using official American 2025 data. The better value in each row is highlighted.
El Sierra Elem School
Downers Grove · Public elementary · Grades PK–6
300 students
O Neill Middle School
Downers Grove · Public middle · Grades 7–8
403 students
| Measure | El Sierra Elem School Downers Grove, Illinois | O Neill Middle School Downers Grove, Illinois |
|---|---|---|
| Success Index (US) | 46 Lower 50% | 52 Top 50% |
| State rank | #933 of 2,303 | #242 of 670 |
| National rank | #27745 of 50,301 | #7175 of 15,369 |
| Sector | Public | Public |
| Type | Elementary | Middle |
| Year range | Grades PK–6 | Grades 7–8 |
| Students | 300 | 403 |
| Enrollment | 300 | 403 |
| Free/reduced-price lunch | – | 21.6% |
| Students per teacher | 12.5 | 13.9 |
| Reading proficiency | 42% | 35% |
| Math proficiency | 42% | 40% |
| city | Downers Grove | Downers Grove |
| state | Illinois | Illinois |
| Website | – | – |
The verdict
- •O Neill Middle School scores higher on the Success Index (US) (52.1 vs 46.2).
- •El Sierra Elem School does better on math proficiency (42% vs 40%).
- •El Sierra Elem School does better on reading proficiency (42% vs 35%).
- •El Sierra Elem School does better on students per teacher (12.5 vs 13.9).
- •O Neill Middle School is the larger school with 403 students compared with 300.
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 El Sierra Elem School better than O Neill Middle School?
On the Success Index (US), O Neill Middle School ranks higher (52.1 vs 46.2 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 El Sierra Elem School and O Neill Middle School?
About 1.9 km in a straight line, between Downers Grove and Downers Grove in Illinois.
Which has the better Enrollment?
El Sierra Elem School: 300. O Neill Middle School: 403. Students enrolled in the latest NCES directory year.
How do El Sierra Elem School and O Neill Middle School rank in Illinois?
El Sierra Elem School is 933rd of 2,303 and O Neill Middle School is 242nd of 670 among elementary schools in Illinois on the 2025 Success Index (US).