The highest-performing public high schools by test proficiency in Howard County, Maryland
This ranking covers the highest-performing public high schools by test proficiency in Howard County, Maryland, drawn from 13 qualifying public high schools. Marriotts Ridge High leads the list at 58.6%, against a median of 43.2% across the ranked schools.
The table below is sortable and filterable, and the full list downloads as a CSV. Figures come from federal NCES enrollment data and, where applicable, state assessment results for 2024-25.
| # | School | City | % Proficient |
|---|---|---|---|
| 1 | Marriotts Ridge High | Marriottsville, MD | 58.6% |
| 2 | River Hill High | Clarksville, MD | 55.4% |
| 3 | Glenelg High | Glenelg, MD | 54.2% |
| 4 | Centennial High | Ellicott City, MD | 53.6% |
| 5 | Mount Hebron High | Ellicott City, MD | 51.8% |
| 6 | Howard High | Ellicott City, MD | 47.5% |
| 7 | Reservoir High | Fulton, MD | 43.2% |
| 8 | Hammond High | Columbia, MD | 42.7% |
| 9 | Atholton High | Columbia, MD | 41.8% |
| 10 | Long Reach High | Columbia, MD | 36.2% |
| 11 | Guilford Park High | Jessup, MD | 36.0% |
| 12 | Oakland Mills High | Columbia, MD | 33.9% |
| 13 | Wilde Lake High | Columbia, MD | 32.5% |
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allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.