Single-parent households vs math proficiency
r² = 0.39 · moderate relationship| County | Per-pupil $ | Rank | ELA % | Math % | Combined % | Rank | Single-parent %↓ | Rank |
|---|
| Baltimore City | $23,147 | 1 | 31.2 | 12.6 | 21.9 | 24 | 57.7 | 1 |
| Dorchester County | $21,009 | 8 | 41.3 | 16.4 | 28.9 | 20 | 50.3 | 2 |
| Caroline County | $19,796 | 10 | 49 | 22.2 | 35.6 | 14 | 44.7 | 3 |
| Wicomico County | $18,839 | 15 | 39.6 | 23.6 | 31.6 | 18 | 42.6 | 4 |
| Kent County | $21,188 | 6 | 40.7 | 16.3 | 28.5 | 21 | 41.9 | 5 |
| Prince George's County | $21,112 | 7 | 38.3 | 13.1 | 25.7 | 22 | 41.6 | 6 |
| Allegany County | $20,028 | 9 | 53 | 28.8 | 40.9 | 12 | 41.5 | 7 |
| Washington County | $17,708 | 21 | 54.4 | 28.2 | 41.3 | 11 | 39.3 | 8 |
| Talbot County | $19,238 | 12 | 45.4 | 18.9 | 32.2 | 17 | 37.2 | 9 |
| Worcester County | $22,845 | 2 | 68.5 | 47.7 | 58.1 | 1 | 35.8 | 10 |
| Baltimore County | $19,206 | 13 | 45 | 20.7 | 32.9 | 16 | 34.9 | 11 |
| Cecil County | $17,690 | 22 | 46.3 | 20.1 | 33.2 | 15 | 33.1 | 12 |
| Somerset County | $22,759 | 3 | 35.1 | 10.1 | 22.6 | 23 | 32.8 | 13 |
| Garrett County | $18,674 | 16 | 50.6 | 29.7 | 40.2 | 13 | 30.5 | 14 |
| St. Mary's County | $17,772 | 20 | 57.3 | 35 | 46.2 | 7 | 28.7 | 15 |
| Charles County | $19,704 | 11 | 43.8 | 16.9 | 30.4 | 19 | 28.2 | 16 |
| Anne Arundel County | $19,102 | 14 | 56.3 | 28.8 | 42.6 | 10 | 26.6 | 17 |
| Harford County | $18,227 | 18 | 60.2 | 28.4 | 44.3 | 9 | 24.9 | 18 |
| Queen Anne's County | $17,662 | 23 | 57 | 31.6 | 44.3 | 8 | 24.7 | 19 |
| Frederick County | $18,336 | 17 | 63 | 36.8 | 49.9 | 4 | 24.3 | 20 |
| Montgomery County | $21,349 | 5 | 57 | 35.7 | 46.4 | 6 | 23.5 | 21 |
| Howard County | $21,512 | 4 | 65.2 | 42 | 53.6 | 2 | 20.8 | 22 |
| Carroll County | $17,565 | 24 | 66.5 | 40.5 | 53.5 | 3 | 20 | 23 |
| Calvert County | $18,152 | 19 | 66.2 | 33 | 49.6 | 5 | 18.3 | 24 |