| Rank |
School District |
Population (2012) |
| 1 |
Montgomery County Public Schools, Maryland
|
974,749
|
| 2 |
Prince George's County Public Schools, Maryland
|
864,204
|
| 3 |
Baltimore County Public Schools, Maryland
|
805,904
|
| 4 |
Baltimore City Public Schools, Maryland
|
620,187
|
| 5 |
Anne Arundel County Public Schools, Maryland
|
538,680
|
| 6 |
Howard County Public Schools, Maryland
|
288,225
|
| 7 |
Harford County Public Schools, Maryland
|
245,121
|
| 8 |
Frederick County Public Schools, Maryland
|
233,958
|
| 9 |
Carroll County Public Schools, Maryland
|
167,188
|
| 10 |
Washington County Public Schools, Maryland
|
147,581
|
| 11 |
Charles County Public Schools, Maryland
|
147,012
|
| 12 |
St. Marys County Public Schools, Maryland
|
105,502
|
| 13 |
Cecil County Public Schools, Maryland
|
101,240
|
| 14 |
Wicomico County Public Schools, Maryland
|
98,696
|
| 15 |
Calvert County Public Schools, Maryland
|
88,804
|
| 16 |
Allegany County Public Schools, Maryland
|
74,951
|
| 17 |
Worcester County Public Schools, Maryland
|
51,430
|
| 18 |
Queen Annes County Public Schools, Maryland
|
47,919
|
| 19 |
Talbot County Public Schools, Maryland
|
37,800
|
| 20 |
Caroline County Public Schools, Maryland
|
33,023
|
| 21 |
Dorchester County Public Schools, Maryland
|
32,587
|
| 22 |
Garrett County Public Schools, Maryland
|
30,090
|
| 23 |
Somerset County Public Schools, Maryland
|
26,420
|
| 24 |
Kent County Public Schools, Maryland
|
20,180
|