Maryland public school districts ranked by the highest county-wide student-to-teacher ratio. Counties need at least 3 schools and 1,000 students to qualify.
| # | County | State | Ratio |
|---|---|---|---|
| 1 | St. Mary's County | MD | 16.4:1 |
| 2 | Frederick County | MD | 16.2:1 |
| 3 | Calvert County | MD | 15.6:1 |
| 4 | Charles County | MD | 15.4:1 |
| 5 | Carroll County | MD | 15.3:1 |
| 6 | Baltimore County | MD | 15.2:1 |
| 7 | Washington County | MD | 15.2:1 |
| 8 | Baltimore city | MD | 14.7:1 |
| 9 | Prince George's County | MD | 14.6:1 |
| 10 | Cecil County | MD | 14.5:1 |
| 11 | Harford County | MD | 14.3:1 |
| 12 | Montgomery County | MD | 14.1:1 |
| 13 | Anne Arundel County | MD | 14.0:1 |
| 14 | Queen Anne's County | MD | 14.0:1 |
| 15 | Dorchester County | MD | 13.9:1 |
| 16 | Howard County | MD | 13.6:1 |
| 17 | Somerset County | MD | 13.5:1 |
| 18 | Caroline County | MD | 13.4:1 |
| 19 | Talbot County | MD | 13.2:1 |
| 20 | Allegany County | MD | 13.1:1 |
| 21 | Wicomico County | MD | 12.8:1 |
| 22 | Worcester County | MD | 12.3:1 |
| 23 | Garrett County | MD | 11.9:1 |
| 24 | Kent County | MD | 11.1:1 |