DuFief Elementary vs Stone Mill Elementary
A head-to-head comparison of two elementary schools in Maryland, United States, 2.3 km apart, using official American 2025 data. The better value in each row is highlighted.
DuFief Elementary
Gaithersburg · Public elementary · Grades K–5
276 students
Stone Mill Elementary
North Potomac · Public elementary · Grades PK–5
516 students
| Measure | DuFief Elementary Gaithersburg, Maryland | Stone Mill Elementary North Potomac, Maryland |
|---|---|---|
| Success Index (US) | 77 Top 25% | 88 Top 5% |
| State rank | #91 of 879 | #14 of 879 |
| National rank | #6931 of 50,301 | #1408 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–5 | Grades PK–5 |
| Students | 276 | 516 |
| Enrollment | 276 | 516 |
| Free/reduced-price lunch | 20.7% | 14.1% |
| Students per teacher | 11.0 | 14.7 |
| Reading proficiency | 57% | 83% |
| Math proficiency | 62% | 78% |
| city | Gaithersburg | North Potomac |
| state | Maryland | Maryland |
| Website | – | – |
The verdict
- •Stone Mill Elementary scores higher on the Success Index (US) (87.7 vs 76.6).
- •Stone Mill Elementary does better on math proficiency (78% vs 62%).
- •Stone Mill Elementary does better on reading proficiency (83% vs 57%).
- •Stone Mill Elementary does better on community advantage (fewer free/reduced-price lunch) (14.1% vs 20.7%).
- •DuFief Elementary does better on students per teacher (11.0 vs 14.7).
- •Stone Mill Elementary is the larger school with 516 students compared with 276.
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 DuFief Elementary better than Stone Mill Elementary?
On the Success Index (US), Stone Mill Elementary ranks higher (87.7 vs 76.6 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 DuFief Elementary and Stone Mill Elementary?
About 2.3 km in a straight line, between Gaithersburg and North Potomac in Maryland.
Which has the better Enrollment?
DuFief Elementary: 276. Stone Mill Elementary: 516. Students enrolled in the latest NCES directory year.
How do DuFief Elementary and Stone Mill Elementary rank in Maryland?
DuFief Elementary is 91st of 879 and Stone Mill Elementary is 14th of 879 among elementary schools in Maryland on the 2025 Success Index (US).