Mary Williams Elementary vs Potomac Shores Middle
A head-to-head comparison of two schools in Virginia, United States, 3.6 km apart, using official American 2025 data. The better value in each row is highlighted.
Mary Williams Elementary
Dumfries · Public elementary · Grades PK–5
669 students
Potomac Shores Middle
Dumfries · Public middle · Grades 6–8
1,229 students
| Measure | Mary Williams Elementary Dumfries, Virginia | Potomac Shores Middle Dumfries, Virginia |
|---|---|---|
| Success Index (US) | 69 Top 25% | 36 Lower 50% |
| State rank | #708 of 1,142 | #337 of 340 |
| National rank | #12212 of 50,301 | #10766 of 15,369 |
| Sector | Public | Public |
| Type | Elementary | Middle |
| Year range | Grades PK–5 | Grades 6–8 |
| Students | 669 | 1,229 |
| Enrollment | 669 | 1,229 |
| Free/reduced-price lunch | 70.9% | 69.7% |
| Students per teacher | 15.9 | 16.0 |
| Reading proficiency | 74% | – |
| Math proficiency | 77% | – |
| city | Dumfries | Dumfries |
| state | Virginia | Virginia |
| Website | – | – |
The verdict
- •Mary Williams Elementary scores higher on the Success Index (US) (68.7 vs 35.5).
- •Potomac Shores Middle does better on community advantage (fewer free/reduced-price lunch) (69.7% vs 70.9%).
- •Mary Williams Elementary does better on students per teacher (15.9 vs 16.0).
- •Potomac Shores Middle is the larger school with 1,229 students compared with 669.
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 Mary Williams Elementary better than Potomac Shores Middle?
On the Success Index (US), Mary Williams Elementary ranks higher (68.7 vs 35.5 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 Mary Williams Elementary and Potomac Shores Middle?
About 3.6 km in a straight line, between Dumfries and Dumfries in Virginia.
Which has the better Enrollment?
Mary Williams Elementary: 669. Potomac Shores Middle: 1,229. Students enrolled in the latest NCES directory year.
How do Mary Williams Elementary and Potomac Shores Middle rank in Virginia?
Mary Williams Elementary is 708th of 1,142 and Potomac Shores Middle is 337th of 340 among elementary schools in Virginia on the 2025 Success Index (US).