Maine 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 | Aroostook County | ME | 12.3:1 |
| 2 | Androscoggin County | ME | 12.1:1 |
| 3 | Kennebec County | ME | 11.9:1 |
| 4 | Penobscot County | ME | 11.8:1 |
| 5 | Oxford County | ME | 11.7:1 |
| 6 | York County | ME | 11.6:1 |
| 7 | Franklin County | ME | 11.4:1 |
| 8 | Piscataquis County | ME | 11.3:1 |
| 9 | Cumberland County | ME | 11.2:1 |
| 10 | Somerset County | ME | 11.1:1 |
| 11 | Sagadahoc County | ME | 11.0:1 |
| 12 | Waldo County | ME | 10.2:1 |
| 13 | Washington County | ME | 10.0:1 |
| 14 | Lincoln County | ME | 9.9:1 |
| 15 | Knox County | ME | 9.4:1 |
| 16 | Hancock County | ME | 9.1:1 |