| Rank |
School District |
Percentage with High School Diploma |
| 1 |
Howard County Public Schools, Maryland
|
94.7%
|
| 2 |
Calvert County Public Schools, Maryland
|
92.4%
|
| 3 |
Queen Annes County Public Schools, Maryland
|
92.2%
|
| 4 |
Harford County Public Schools, Maryland
|
91.8%
|
| 5 |
Frederick County Public Schools, Maryland
|
91.8%
|
| 6 |
Charles County Public Schools, Maryland
|
90.8%
|
| 7 |
Carroll County Public Schools, Maryland
|
90.8%
|
| 8 |
Montgomery County Public Schools, Maryland
|
90.8%
|
| 9 |
Anne Arundel County Public Schools, Maryland
|
90.5%
|
| 10 |
St. Marys County Public Schools, Maryland
|
89.9%
|
| 11 |
Worcester County Public Schools, Maryland
|
89.9%
|
| 12 |
Talbot County Public Schools, Maryland
|
89.7%
|
| 13 |
Baltimore County Public Schools, Maryland
|
89.4%
|
| 14 |
Cecil County Public Schools, Maryland
|
87.2%
|
| 15 |
Allegany County Public Schools, Maryland
|
86.8%
|
| 16 |
Kent County Public Schools, Maryland
|
86.7%
|
| 17 |
Garrett County Public Schools, Maryland
|
85.9%
|
| 18 |
Prince George's County Public Schools, Maryland
|
85.6%
|
| 19 |
Wicomico County Public Schools, Maryland
|
85.5%
|
| 20 |
Washington County Public Schools, Maryland
|
84.9%
|
| 21 |
Dorchester County Public Schools, Maryland
|
82.8%
|
| 22 |
Caroline County Public Schools, Maryland
|
81.3%
|
| 23 |
Somerset County Public Schools, Maryland
|
80.5%
|
| 24 |
Baltimore City Public Schools, Maryland
|
79.2%
|