Gaithersburg High vs Seneca Valley High
A head-to-head comparison of two high schools in Maryland, United States, 7.4 km apart, using official American 2025 data. The better value in each row is highlighted.
Gaithersburg High
Gaithersburg · Public high · Grades 9–12
2,441 students
Seneca Valley High
Germantown · Public high · Grades 9–12
2,409 students
| Measure | Gaithersburg High Gaithersburg, Maryland | Seneca Valley High Germantown, Maryland |
|---|---|---|
| Success Index (US) | 49 Lower 50% | 45 Lower 50% |
| State rank | #111 of 197 | #126 of 197 |
| National rank | #8595 of 16,910 | #9670 of 16,910 |
| Sector | Public | Public |
| Type | High | High |
| Year range | Grades 9–12 | Grades 9–12 |
| Students | 2,441 | 2,409 |
| Enrollment | 2,441 | 2,409 |
| Free/reduced-price lunch | 55.7% | 49.2% |
| Students per teacher | 13.9 | 15.2 |
| Reading proficiency | 58% | 51% |
| Math proficiency | 33% | 32% |
| city | Gaithersburg | Germantown |
| state | Maryland | Maryland |
| Website | – | – |
The verdict
- •Gaithersburg High scores higher on the Success Index (US) (49.2 vs 45.1).
- •Gaithersburg High does better on math proficiency (33% vs 32%).
- •Gaithersburg High does better on reading proficiency (58% vs 51%).
- •Seneca Valley High does better on community advantage (fewer free/reduced-price lunch) (49.2% vs 55.7%).
- •Gaithersburg High does better on students per teacher (13.9 vs 15.2).
- •Gaithersburg High is the larger school with 2,441 students compared with 2,409.
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 Gaithersburg High better than Seneca Valley High?
On the Success Index (US), Gaithersburg High ranks higher (49.2 vs 45.1 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 Gaithersburg High and Seneca Valley High?
About 7.4 km in a straight line, between Gaithersburg and Germantown in Maryland.
Which has the better Enrollment?
Gaithersburg High: 2,441. Seneca Valley High: 2,409. Students enrolled in the latest NCES directory year.
How do Gaithersburg High and Seneca Valley High rank in Maryland?
Gaithersburg High is 111th of 197 and Seneca Valley High is 126th of 197 among high schools in Maryland on the 2025 Success Index (US).