Bells Mill Elementary vs Seven Locks 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.
Bells Mill Elementary
Potomac · Public elementary · Grades PK–5
570 students
Seven Locks Elementary
Bethesda · Public elementary · Grades K–5
376 students
| Measure | Bells Mill Elementary Potomac, Maryland | Seven Locks Elementary Bethesda, Maryland |
|---|---|---|
| Success Index (US) | 80 Top 10% | 88 Top 5% |
| State rank | #57 of 879 | #12 of 879 |
| National rank | #4879 of 50,301 | #1371 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades PK–5 | Grades K–5 |
| Students | 570 | 376 |
| Enrollment | 570 | 376 |
| Free/reduced-price lunch | 14.9% | 7.2% |
| Students per teacher | 16.8 | 15.0 |
| Reading proficiency | 76% | 82% |
| Math proficiency | 71% | 78% |
| city | Potomac | Bethesda |
| state | Maryland | Maryland |
| Website | – | – |
The verdict
- •Seven Locks Elementary scores higher on the Success Index (US) (87.8 vs 80.2).
- •Seven Locks Elementary does better on math proficiency (78% vs 71%).
- •Seven Locks Elementary does better on reading proficiency (82% vs 76%).
- •Seven Locks Elementary does better on community advantage (fewer free/reduced-price lunch) (7.2% vs 14.9%).
- •Seven Locks Elementary does better on students per teacher (15.0 vs 16.8).
- •Bells Mill Elementary is the larger school with 570 students compared with 376.
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 Bells Mill Elementary better than Seven Locks Elementary?
On the Success Index (US), Seven Locks Elementary ranks higher (87.8 vs 80.2 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 Bells Mill Elementary and Seven Locks Elementary?
About 2.3 km in a straight line, between Potomac and Bethesda in Maryland.
Which has the better Enrollment?
Bells Mill Elementary: 570. Seven Locks Elementary: 376. Students enrolled in the latest NCES directory year.
How do Bells Mill Elementary and Seven Locks Elementary rank in Maryland?
Bells Mill Elementary is 57th of 879 and Seven Locks Elementary is 12th of 879 among elementary schools in Maryland on the 2025 Success Index (US).