Old Mill Middle South vs Severn Run High School
A head-to-head comparison of two schools in Maryland, United States, 2.2 km apart, using official American 2025 data. The better value in each row is highlighted.
Old Mill Middle South
Millersville · Public middle · Grades 6–8
1,173 students
Severn Run High School
Severn · Public high · Grades 9–12
1,608 students
| Measure | Old Mill Middle South Millersville, Maryland | Severn Run High School Severn, Maryland |
|---|---|---|
| Success Index (US) | 50 Top 50% | 61 Top 50% |
| State rank | #96 of 225 | #78 of 197 |
| National rank | #7683 of 15,369 | #5542 of 16,910 |
| Sector | Public | Public |
| Type | Middle | High |
| Year range | Grades 6–8 | Grades 9–12 |
| Students | 1,173 | 1,608 |
| Enrollment | 1,173 | 1,608 |
| Free/reduced-price lunch | 57.5% | 33% |
| Students per teacher | 15.0 | 16.9 |
| Reading proficiency | 49% | – |
| Math proficiency | 43% | – |
| city | Millersville | Severn |
| state | Maryland | Maryland |
| Website | – | – |
The verdict
- •Severn Run High School scores higher on the Success Index (US) (61.1 vs 49.8).
- •Severn Run High School does better on community advantage (fewer free/reduced-price lunch) (33% vs 57.5%).
- •Old Mill Middle South does better on students per teacher (15.0 vs 16.9).
- •Severn Run High School is the larger school with 1,608 students compared with 1,173.
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 Old Mill Middle South better than Severn Run High School?
On the Success Index (US), Severn Run High School ranks higher (61.1 vs 49.8 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 Old Mill Middle South and Severn Run High School?
About 2.2 km in a straight line, between Millersville and Severn in Maryland.
Which has the better Enrollment?
Old Mill Middle South: 1,173. Severn Run High School: 1,608. Students enrolled in the latest NCES directory year.
How do Old Mill Middle South and Severn Run High School rank in Maryland?
Old Mill Middle South is 96th of 225 and Severn Run High School is 78th of 197 among middle schools in Maryland on the 2025 Success Index (US).