Harmony DC PCS - School of Excellence vs Langley ES
A head-to-head comparison of two elementary schools in District of Columbia, United States, 224 m apart, using official American 2025 data. The better value in each row is highlighted.
Harmony DC PCS - School of Excellence
Washington · Charter elementary · Grades PK–5
182 students
Langley ES
Washington · Public elementary · Grades PK–5
348 students
| Measure | Harmony DC PCS - School of Excellence Washington, District of Columbia | Langley ES Washington, District of Columbia |
|---|---|---|
| Success Index (US) | 19 Lower 50% | 27 Lower 50% |
| State rank | #137 of 142 | #94 of 142 |
| National rank | #45726 of 50,301 | #40329 of 50,301 |
| Sector | Charter | Public |
| Type | Elementary | Elementary |
| Year range | Grades PK–5 | Grades PK–5 |
| Students | 182 | 348 |
| Enrollment | 182 | 348 |
| Free/reduced-price lunch | – | – |
| Students per teacher | 9.6 | 11.2 |
| Reading proficiency | 15% | 27% |
| Math proficiency | 15% | 22% |
| city | Washington | Washington |
| state | District of Columbia | District of Columbia |
| Website | – | – |
The verdict
- •Langley ES scores higher on the Success Index (US) (27.1 vs 18.6).
- •Langley ES does better on math proficiency (22% vs 15%).
- •Langley ES does better on reading proficiency (27% vs 15%).
- •Harmony DC PCS - School of Excellence does better on students per teacher (9.6 vs 11.2).
- •Langley ES is the larger school with 348 students compared with 182.
- •Harmony DC PCS - School of Excellence is a charter school while Langley ES is a public school, so fees and admission rules differ.
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 Harmony DC PCS - School of Excellence better than Langley ES?
On the Success Index (US), Langley ES ranks higher (27.1 vs 18.6 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 Harmony DC PCS - School of Excellence and Langley ES?
About 224 m in a straight line, between Washington and Washington in District of Columbia.
Which has the better Enrollment?
Harmony DC PCS - School of Excellence: 182. Langley ES: 348. Students enrolled in the latest NCES directory year.
How do Harmony DC PCS - School of Excellence and Langley ES rank in District of Columbia?
Harmony DC PCS - School of Excellence is 137th of 142 and Langley ES is 94th of 142 among elementary schools in District of Columbia on the 2025 Success Index (US).