Marley Elementary vs Triadelphia Ridge Elementary
A head-to-head comparison of two elementary schools in Maryland, United States, 36 km apart, using official American 2025 data. The better value in each row is highlighted.
Marley Elementary
Glen Burnie · Public elementary · Grades PK–5
618 students
Triadelphia Ridge Elementary
Ellicott City · Public elementary · Grades PK–5
619 students
| Measure | Marley Elementary Glen Burnie, Maryland | Triadelphia Ridge Elementary Ellicott City, Maryland |
|---|---|---|
| Success Index (US) | 28 Lower 50% | 87 Top 5% |
| State rank | #627 of 879 | #20 of 879 |
| National rank | #39926 of 50,301 | #1563 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades PK–5 | Grades PK–5 |
| Students | 618 | 619 |
| Enrollment | 618 | 619 |
| Free/reduced-price lunch | 71.7% | 7.3% |
| Students per teacher | 12.6 | 14.1 |
| Reading proficiency | 24% | 73% |
| Math proficiency | 25% | 79% |
| city | Glen Burnie | Ellicott City |
| state | Maryland | Maryland |
| Website | – | – |
The verdict
- •Triadelphia Ridge Elementary scores higher on the Success Index (US) (87.3 vs 27.8).
- •Triadelphia Ridge Elementary does better on math proficiency (79% vs 25%).
- •Triadelphia Ridge Elementary does better on reading proficiency (73% vs 24%).
- •Triadelphia Ridge Elementary does better on community advantage (fewer free/reduced-price lunch) (7.3% vs 71.7%).
- •Marley Elementary does better on students per teacher (12.6 vs 14.1).
- •Triadelphia Ridge Elementary is the larger school with 619 students compared with 618.
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 Marley Elementary better than Triadelphia Ridge Elementary?
On the Success Index (US), Triadelphia Ridge Elementary ranks higher (87.3 vs 27.8 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 Marley Elementary and Triadelphia Ridge Elementary?
About 36 km in a straight line, between Glen Burnie and Ellicott City in Maryland.
Which has the better Enrollment?
Marley Elementary: 618. Triadelphia Ridge Elementary: 619. Students enrolled in the latest NCES directory year.
How do Marley Elementary and Triadelphia Ridge Elementary rank in Maryland?
Marley Elementary is 627th of 879 and Triadelphia Ridge Elementary is 20th of 879 among elementary schools in Maryland on the 2025 Success Index (US).