Old Mill High vs Severn Run High School
A head-to-head comparison of two high schools in Maryland, United States, 1.2 km apart, using official American 2025 data. The better value in each row is highlighted.
Old Mill High
Millersville · Public high · Grades 9–12
1,832 students
Severn Run High School
Severn · Public high · Grades 9–12
1,608 students
| Measure | Old Mill High Millersville, Maryland | Severn Run High School Severn, Maryland |
|---|---|---|
| Success Index (US) | 45 Lower 50% | 61 Top 50% |
| State rank | #125 of 197 | #78 of 197 |
| National rank | #9648 of 16,910 | #5542 of 16,910 |
| Sector | Public | Public |
| Type | High | High |
| Year range | Grades 9–12 | Grades 9–12 |
| Students | 1,832 | 1,608 |
| Enrollment | 1,832 | 1,608 |
| Free/reduced-price lunch | 56% | 33% |
| Students per teacher | 15.8 | 16.9 |
| Reading proficiency | 50% | – |
| Math proficiency | 39% | – |
| city | Millersville | Severn |
| state | Maryland | Maryland |
| Website | – | – |
The verdict
- •Severn Run High School scores higher on the Success Index (US) (61.1 vs 45.2).
- •Severn Run High School does better on community advantage (fewer free/reduced-price lunch) (33% vs 56%).
- •Old Mill High does better on students per teacher (15.8 vs 16.9).
- •Old Mill High is the larger school with 1,832 students compared with 1,608.
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 High better than Severn Run High School?
On the Success Index (US), Severn Run High School ranks higher (61.1 vs 45.2 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 Old Mill High and Severn Run High School?
About 1.2 km in a straight line, between Millersville and Severn in Maryland.
Which has the better Enrollment?
Old Mill High: 1,832. Severn Run High School: 1,608. Students enrolled in the latest NCES directory year.
How do Old Mill High and Severn Run High School rank in Maryland?
Old Mill High is 125th of 197 and Severn Run High School is 78th of 197 among high schools in Maryland on the 2025 Success Index (US).