Maryland public school districts ranked by total public school enrollment across every school in the county. Counties need at least 3 schools and 1,000 students to qualify.
| # | County | State | Students |
|---|---|---|---|
| 1 | Montgomery County | MD | 159,181 |
| 2 | Prince George's County | MD | 132,693 |
| 3 | Baltimore County | MD | 110,872 |
| 4 | Anne Arundel County | MD | 85,074 |
| 5 | Baltimore city | MD | 77,341 |
| 6 | Howard County | MD | 57,565 |
| 7 | Frederick County | MD | 48,054 |
| 8 | Harford County | MD | 37,771 |
| 9 | Charles County | MD | 28,162 |
| 10 | Carroll County | MD | 26,141 |
| 11 | Washington County | MD | 23,320 |
| 12 | St. Mary's County | MD | 16,905 |
| 13 | Wicomico County | MD | 15,582 |
| 14 | Cecil County | MD | 14,853 |
| 15 | Calvert County | MD | 14,849 |
| 16 | Allegany County | MD | 8,113 |
| 17 | Queen Anne's County | MD | 7,478 |
| 18 | Worcester County | MD | 7,002 |
| 19 | Caroline County | MD | 5,648 |
| 20 | Dorchester County | MD | 4,586 |
| 21 | Talbot County | MD | 4,485 |
| 22 | Garrett County | MD | 3,853 |
| 23 | Somerset County | MD | 2,901 |
| 24 | Kent County | MD | 1,694 |