Centennial High vs Running Brook Elementary
A head-to-head comparison of two schools in Maryland, United States, 2.8 km apart, using official American 2025 data. The better value in each row is highlighted.
Centennial High
Ellicott City · Public high · Grades 9–12
1,377 students
Running Brook Elementary
Columbia · Public elementary · Grades PK–5
407 students
| Measure | Centennial High Ellicott City, Maryland | Running Brook Elementary Columbia, Maryland |
|---|---|---|
| Success Index (US) | 82 Top 10% | 48 Lower 50% |
| State rank | #8 of 197 | #386 of 879 |
| National rank | #1001 of 16,910 | #26693 of 50,301 |
| Sector | Public | Public |
| Type | High | Elementary |
| Year range | Grades 9–12 | Grades PK–5 |
| Students | 1,377 | 407 |
| Enrollment | 1,377 | 407 |
| Free/reduced-price lunch | 18.5% | 52.8% |
| Students per teacher | 17.0 | 9.7 |
| Reading proficiency | 80% | 41% |
| Math proficiency | 84% | 35% |
| city | Ellicott City | Columbia |
| state | Maryland | Maryland |
| Website | – | – |
The verdict
- •Centennial High scores higher on the Success Index (US) (81.9 vs 47.7).
- •Centennial High does better on math proficiency (84% vs 35%).
- •Centennial High does better on reading proficiency (80% vs 41%).
- •Centennial High does better on community advantage (fewer free/reduced-price lunch) (18.5% vs 52.8%).
- •Running Brook Elementary does better on students per teacher (9.7 vs 17.0).
- •Centennial High is the larger school with 1,377 students compared with 407.
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 High better than Running Brook Elementary?
On the Success Index (US), Centennial High ranks higher (81.9 vs 47.7 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 High and Running Brook Elementary?
About 2.8 km in a straight line, between Ellicott City and Columbia in Maryland.
Which has the better Enrollment?
Centennial High: 1,377. Running Brook Elementary: 407. Students enrolled in the latest NCES directory year.
How do Centennial High and Running Brook Elementary rank in Maryland?
Centennial High is 8th of 197 and Running Brook Elementary is 386th of 879 among high schools in Maryland on the 2025 Success Index (US).