The lowest-performing public high schools by test proficiency in Howard County, Maryland
13 public high schools in Howard County, Maryland appear in this ranking of the lowest-performing public high schools by test proficiency, ranked by the lowest composite state-assessment proficiency. Wilde Lake High leads the list at 32.5%, 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 | Wilde Lake High | Columbia, MD | 32.5% |
| 2 | Oakland Mills High | Columbia, MD | 33.9% |
| 3 | Guilford Park High | Jessup, MD | 36.0% |
| 4 | Long Reach High | Columbia, MD | 36.2% |
| 5 | Atholton High | Columbia, MD | 41.8% |
| 6 | Hammond High | Columbia, MD | 42.7% |
| 7 | Reservoir High | Fulton, MD | 43.2% |
| 8 | Howard High | Ellicott City, MD | 47.5% |
| 9 | Mount Hebron High | Ellicott City, MD | 51.8% |
| 10 | Centennial High | Ellicott City, MD | 53.6% |
| 11 | Glenelg High | Glenelg, MD | 54.2% |
| 12 | River Hill High | Clarksville, MD | 55.4% |
| 13 | Marriotts Ridge High | Marriottsville, MD | 58.6% |
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