Old Mill High vs Old Mill Middle South
A head-to-head comparison of two schools in Maryland, United States, 929 m 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
Old Mill Middle South
Millersville · Public middle · Grades 6–8
1,173 students
| Measure | Old Mill High Millersville, Maryland | Old Mill Middle South Millersville, Maryland |
|---|---|---|
| Success Index (US) | 45 Lower 50% | 50 Top 50% |
| State rank | #125 of 197 | #96 of 225 |
| National rank | #9648 of 16,910 | #7683 of 15,369 |
| Sector | Public | Public |
| Type | High | Middle |
| Year range | Grades 9–12 | Grades 6–8 |
| Students | 1,832 | 1,173 |
| Enrollment | 1,832 | 1,173 |
| Free/reduced-price lunch | 56% | 57.5% |
| Students per teacher | 15.8 | 15.0 |
| Reading proficiency | 50% | 49% |
| Math proficiency | 39% | 43% |
| city | Millersville | Millersville |
| state | Maryland | Maryland |
| Website | – | – |
The verdict
- •Old Mill Middle South scores higher on the Success Index (US) (49.8 vs 45.2).
- •Old Mill Middle South does better on math proficiency (43% vs 39%).
- •Old Mill High does better on reading proficiency (50% vs 49%).
- •Old Mill High does better on community advantage (fewer free/reduced-price lunch) (56% vs 57.5%).
- •Old Mill Middle South does better on students per teacher (15.0 vs 15.8).
- •Old Mill High is the larger school with 1,832 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.
Free academic assessment
Torn between two schools? Start with your child.
Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Frequently asked questions
Is Old Mill High better than Old Mill Middle South?
On the Success Index (US), Old Mill Middle South ranks higher (49.8 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 Old Mill Middle South?
About 929 m in a straight line, between Millersville and Millersville in Maryland.
Which has the better Enrollment?
Old Mill High: 1,832. Old Mill Middle South: 1,173. Students enrolled in the latest NCES directory year.
How do Old Mill High and Old Mill Middle South rank in Maryland?
Old Mill High is 125th of 197 and Old Mill Middle South is 96th of 225 among high schools in Maryland on the 2025 Success Index (US).