| Rank | High School Graduate Education Percentage ▼ | School District / Population |
| 1. | 87.5% | Moro Plantation / 16 |
| 2. | 83.5% | Reed Plantation / 108 |
| 3. | 75.0% | Macwahoc Plantation / 46 |
| 4. | 70.2% | Pleasant Ridge Plantation / 97 |
| 5. | 70.1% | Bowerbank / 98 |
| 6. | 67.9% | Highland Plantation / 56 |
| 7. | 66.7% | Drew Plantation / 46 |
| 8. | 64.7% | Frenchboro / 65 |
| 9. | 61.8% | Lakeville / 72 |
| 10. | 60.0% | Deblois / 50 |
| 11. | 57.5% | Whitneyville / 235 |
| 12. | 56.0% | Greenbush / 1,382 |
| 13. | 54.4% | Willimantic / 132 |
| 14. | 53.5% | Lake View Plantation / 100 |
| 15. | 52.9% | Bridgewater / 640 |
| 15. | 52.9% | Dennysville / 399 |
| 17. | 52.8% | Meddybemps / 136 |
| 18. | 52.5% | Vanceboro / 129 |
| 19. | 52.4% | West Forks Plantation / 24 |
| 20. | 52.4% | Grand Isle / 532 |
| 21. | 50.8% | Upton / 75 |
| 22. | 50.6% | School Administrative District 04 / 4,994 |
| 23. | 50.6% | Jonesboro / 653 |
| 24. | 50.4% | Pleasant Point / 475 |
| 25. | 49.5% | Medway / 1,223 |
| 26. | 49.5% | Penobscot Unorganized Territory / 1,562 |
| 27. | 49.5% | Lowell / 223 |
| 28. | 48.9% | School Administrative District 36 / 5,322 |
| 29. | 48.8% | Hersey / 51 |
| 30. | 48.3% | School Administrative District 59 / 6,441 |
| 31. | 47.6% | East Millinocket / 1,900 |
| 32. | 47.6% | Somerset Unorganized Territory / 876 |
| 33. | 47.6% | Crawford / 109 |
| 34. | 47.4% | Harmony / 1,000 |
| 35. | 47.3% | Oxford Unorganized Territory / 602 |
| 36. | 47.3% | Cutler / 644 |
| 37. | 47.3% | School Administrative District 46 / 6,645 |
| 38. | 47.2% | Regional School Unit 10 / 18,964 |
| 39. | 47.1% | School Administrative District 30 / 1,876 |
| 40. | 46.6% | School Administrative District 25 / 2,761 |
| 41. | 46.3% | Bancroft / 62 |
| 42. | 46.3% | School Administrative District 07 / 461 |
| 43. | 46.0% | School Administrative District 42 / 2,350 |
| 44. | 46.0% | School Administrative District 03 / 10,528 |
| 45. | 45.9% | Woodville / 274 |
| 46. | 45.7% | New Sweden / 513 |
| 47. | 45.7% | Trenton / 1,453 |
| 48. | 45.3% | Shirley / 263 |
| 49. | 45.2% | School Administrative District 41 / 4,842 |
| 50. | 45.0% | Monhegan Plantation / 40 |
| 51. | 45.0% | School Administrative District 67 / 6,652 |
| 52. | 44.8% | Cooper / 202 |
| 53. | 44.8% | Southern Aroostook Community School District / 3,049 |
| 54. | 44.8% | School Administrative District 54 / 17,286 |
| 55. | 44.7% | School Administrative District 14 / 803 |
| 56. | 44.6% | Caswell / 340 |
| 57. | 44.5% | Madawaska / 4,141 |
| 58. | 44.5% | School Administrative District 33 / 1,877 |
| 59. | 44.4% | Perry / 943 |
| 60. | 44.3% | Lisbon / 9,092 |
| 61. | 44.2% | Robbinston / 592 |
| 62. | 44.2% | School Administrative District 74 / 5,346 |
| 63. | 44.2% | School Administrative District 53 / 6,142 |
| 64. | 44.0% | School Administrative District 31 / 3,830 |
| 65. | 43.6% | Winslow / 7,823 |
| 66. | 43.6% | Regional School Unit 19 / 14,947 |
| 67. | 43.5% | Regional School Unit 04 / 10,221 |
| 68. | 43.5% | Fayette / 1,281 |
| 69. | 43.5% | East Range Community School District / 232 |
| 70. | 43.3% | Gilead / 145 |
| 71. | 42.9% | Washington Unorganized Territory / 1,233 |
| 72. | 42.9% | Wesley / 84 |
| 73. | 42.8% | School Administrative District 17 / 23,682 |
| 74. | 42.7% | School Administrative District 45 / 2,504 |
| 75. | 42.6% | Pembroke / 980 |
| 75. | 42.6% | Woodland / 1,085 |
| 77. | 42.4% | School Administrative District 55 / 8,348 |
| 78. | 42.3% | Piscataquis Unorganized Territory / 936 |
| 79. | 42.2% | Beals / 602 |
| 80. | 42.1% | School Administrative District 68 / 7,014 |
| 81. | 42.1% | School Administrative District 08 / 1,090 |
| 82. | 41.9% | Milford / 3,055 |
| 82. | 41.9% | Regional School Unit 16 / 10,969 |
| 84. | 41.9% | Nashville Plantation / 67 |
| 85. | 41.7% | School Administrative District 49 / 14,919 |
| 86. | 41.6% | Jonesport / 1,338 |
| 87. | 41.6% | School Administrative District 57 / 21,609 |
| 88. | 41.4% | Talmadge / 40 |
| 89. | 41.4% | Southwest Harbor / 1,725 |
| 89. | 41.4% | School Administrative District 70 / 3,645 |
| 91. | 41.3% | School Administrative District 32 / 2,139 |
| 92. | 41.2% | School Administrative District 29 / 8,208 |
| 93. | 41.2% | Baring Plantation / 316 |
| 94. | 40.7% | Magalloway Plantation / 31 |
| 95. | 40.7% | Baileyville / 1,554 |
| 96. | 40.7% | Regional School Unit 12 / 14,914 |
| 97. | 40.6% | Jay / 4,890 |
| 98. | 40.6% | Regional School Unit 13 / 17,358 |
| 99. | 40.6% | Millinocket / 4,655 |
| 100. | 40.5% | Greenville / 1,606 |
| 101. | 40.4% | School Administrative District 58 / 4,823 |
| 102. | 40.1% | School Administrative District 40 / 14,808 |
| 103. | 40.0% | Regional School Unit 34 / 10,108 |
| 104. | 40.0% | Franklin Unorganized Territory / 865 |
| 105. | 40.0% | Medford / 224 |
| 106. | 39.9% | Lewiston / 36,684 |
| 107. | 39.8% | School Administrative District 37 / 5,522 |
| 108. | 39.7% | Lincoln Plantation / 66 |
| 109. | 39.4% | School Administrative District 64 / 7,993 |
| 110. | 39.4% | School Administrative District 23 / 5,475 |
| 111. | 39.2% | School Administrative District 63 / 6,002 |
| 112. | 38.9% | Aroostook Unorganized Territory / 1,513 |
| 113. | 38.9% | Tremont / 1,412 |
| 114. | 38.9% | School Administrative District 11 / 13,922 |
| 115. | 38.8% | School Administrative District 44 / 6,036 |
| 116. | 38.7% | Orrington / 3,710 |
| 117. | 38.7% | Biddeford / 21,490 |
| 118. | 38.4% | Deer Isle-Stonington Community School District / 3,084 |
| 119. | 38.2% | School Administrative District 13 / 1,314 |
| 120. | 38.1% | School Administrative District 06 / 25,893 |
| 121. | 38.0% | School Administrative District 61 / 14,134 |
| 122. | 37.9% | Marshfield / 494 |
| 122. | 37.9% | School Administrative District 60 / 17,650 |
| 124. | 37.8% | Sanford / 21,035 |
| 125. | 37.8% | School Administrative District 19 / 1,423 |
| 126. | 37.8% | Airline Community School District / 458 |
| 127. | 37.5% | Regional School Unit 24 / 19,161 |
| 128. | 37.5% | Isle au Haut / 85 |
| 129. | 37.5% | Princeton / 898 |
| 130. | 37.4% | Great Lake Stream Plantation / 122 |
| 131. | 37.3% | Augusta / 19,150 |
| 132. | 37.2% | Vassalboro / 4,311 |
| 133. | 37.1% | Regional School Unit 20 / 18,312 |
| 134. | 37.1% | Regional School Unit 18 / 18,880 |
| 135. | 37.1% | Appleton / 1,437 |
| 136. | 37.1% | Mount Desert / 1,708 |
| 137. | 37.0% | Whiting / 528 |
| 138. | 36.9% | Waterville / 15,777 |
| 139. | 36.8% | School Administrative District 01 / 12,845 |
| 140. | 36.7% | Penobscot / 1,377 |
| 141. | 36.6% | School Administrative District 72 / 8,060 |
| 142. | 36.5% | Auburn / 23,279 |
| 143. | 36.5% | School Administrative District 27 / 6,683 |
| 143. | 36.5% | School Administrative District 52 / 12,057 |
| 145. | 36.4% | School Administrative District 12 / 949 |
| 145. | 36.4% | Islesboro / 649 |
| 145. | 36.4% | Easton / 1,123 |
| 148. | 36.4% | Hermon / 5,244 |
| 149. | 36.3% | Regional School Unit 25 / 8,461 |
| 150. | 36.0% | Rangeley / 1,177 |
| 151. | 35.6% | Acton / 2,001 |
| 152. | 35.5% | Regional School Unit 14 / 21,108 |
| 153. | 35.5% | School Administrative District 09 / 18,036 |
| 154. | 35.3% | Long Island / 261 |
| 155. | 35.2% | Machiasport / 1,043 |
| 156. | 34.9% | Carroll Plantation / 91 |
| 157. | 34.8% | East Machias / 1,344 |
| 158. | 34.7% | Northfield / 171 |
| 159. | 34.6% | Hope / 1,521 |
| 160. | 34.5% | Sedgwick / 1,192 |
| 161. | 34.4% | Calais / 3,192 |
| 162. | 34.3% | Charlotte / 311 |
| 163. | 34.3% | Jefferson / 2,529 |
| 164. | 34.2% | Regional School Unit 01 / 16,704 |
| 165. | 34.2% | Dedham / 2,139 |
| 166. | 34.2% | School Administrative District 76 / 443 |
| 167. | 34.1% | School Administrative District 15 / 13,059 |
| 167. | 34.1% | Westbrook / 17,314 |
| 169. | 34.1% | Indian Township / 767 |
| 170. | 34.0% | Waite / 60 |
| 171. | 33.8% | Lincolnville / 1,846 |
| 172. | 33.3% | School Administrative District 24 / 2,987 |
| 173. | 33.3% | Regional School Unit 39 / 10,958 |
| 174. | 33.0% | Eastport / 1,425 |
| 175. | 32.9% | School Administrative District 75 / 19,689 |
| 176. | 32.9% | Regional School Unit 02 / 14,748 |
| 177. | 32.4% | Brewer / 9,433 |
| 178. | 32.4% | Damariscotta / 2,216 |
| 179. | 32.4% | Winthrop / 6,149 |
| 180. | 32.1% | Wells-Ogunquit Community School District / 10,763 |
| 181. | 31.7% | Regional School Unit 23 / 29,367 |
| 182. | 31.5% | Machias / 2,416 |
| 183. | 31.2% | Indian Island / 598 |
| 184. | 31.0% | Kittery / 9,606 |
| 184. | 31.0% | School Administrative District 20 / 3,513 |
| 186. | 30.6% | Bremen / 675 |
| 187. | 30.5% | Bangor / 32,899 |
| 187. | 30.5% | Alexander / 350 |
| 189. | 30.5% | School Administration District 10 / 191 |
| 190. | 30.4% | Blue Hill / 2,649 |
| 191. | 30.3% | School Administrative District 35 / 13,431 |
| 192. | 30.2% | Gorham / 16,065 |
| 193. | 30.0% | Kingsbury Plantation / 10 |
| 194. | 29.5% | Mount Desert Community School District / 10,039 |
| 195. | 29.5% | Nobleboro / 1,647 |
| 196. | 29.3% | Name N/A / 14,506 |
| 197. | 29.2% | Boothbay-Boothbay Harbor Community School District / 5,544 |
| 198. | 28.8% | Great Salt Bay Community School District / 4,467 |
| 199. | 28.4% | School Administrative District 22 / 12,468 |
| 200. | 28.4% | Coplin Plantation / 97 |
| 201. | 28.2% | Regional School Unit 38 / 7,458 |
| 202. | 28.2% | South Bristol / 976 |
| 203. | 28.1% | Bristol / 2,766 |
| 204. | 27.8% | Hancock Unorganized Territory / 168 |
| 205. | 27.2% | Roque Bluffs / 251 |
| 206. | 27.1% | Brunswick / 20,557 |
| 207. | 27.1% | Orient / 116 |
| 208. | 26.6% | South Portland / 24,804 |
| 209. | 26.0% | School Administrative District 28 / 8,373 |
| 210. | 26.0% | Beddington / 77 |
| 211. | 25.8% | Regional School Unit 05 / 13,211 |
| 212. | 24.5% | Rangeley Plantation / 109 |
| 213. | 24.5% | Regional School Unit 21 / 18,423 |
| 214. | 24.1% | Brooklin / 1,022 |
| 215. | 24.1% | Caratunk / 64 |
| 216. | 24.0% | York / 12,720 |
| 217. | 24.0% | The Forks Plantation / 28 |
| 218. | 23.8% | Georgetown / 712 |
| 219. | 23.5% | Chebeague Island / 240 |
| 220. | 23.1% | Newcastle / 1,576 |
| 221. | 23.1% | Otis / 400 |
| 222. | 22.6% | Regional School Unit 26 / 16,708 |
| 223. | 22.3% | Brooksville / 1,005 |
| 224. | 22.2% | Seboeis Plantation / 36 |
| 225. | 22.1% | Surry / 1,666 |
| 226. | 22.0% | Portland / 66,138 |
| 227. | 21.9% | Dallas Plantation / 290 |
| 228. | 21.8% | Scarborough / 18,637 |
| 229. | 21.7% | Westmanland / 90 |
| 230. | 21.3% | Sandy River Plantation / 94 |
| 231. | 20.3% | Cranberry Isles / 101 |
| 232. | 20.1% | Bar Harbor / 5,194 |
| 233. | 20.0% | Kennebec Unorganized Territory / 70 |
| 234. | 19.6% | Edgecomb / 1,143 |
| 235. | 19.2% | Beaver Cove / 126 |
| 236. | 18.4% | Southport / 541 |
| 237. | 17.8% | Yarmouth / 8,390 |
| 238. | 17.1% | School Administrative District 51 / 10,679 |
| 239. | 15.5% | Falmouth / 11,086 |
| 240. | 14.2% | Cape Elizabeth / 9,056 |
| 241. | 13.0% | School Administrative District 65 / 89 |
| 242. | 11.4% | Carrabassett Valley / 470 |
| 243. | 7.4% | Castine / 1,483 |
Please note that we only rank locations with 'High School Graduate Education Percentage' data. The rank above might not be a complete list. Locations without 'High School Graduate Education Percentage' data are not listed.
*ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.
