| Rank | High School Graduate Education Percentage ▼ | School District / Population |
| 1. | 78.0% | Reed Plantation / 133 |
| 2. | 75.6% | Pleasant Ridge Plantation / 106 |
| 3. | 74.3% | Frenchboro / 73 |
| 4. | 66.7% | Dennistown Plantation / 9 |
| 5. | 63.2% | Highland Plantation / 70 |
| 6. | 62.1% | West Forks Plantation / 31 |
| 7. | 60.5% | Whitneyville / 187 |
| 8. | 59.2% | Macwahoc Plantation / 71 |
| 9. | 57.1% | Drew Plantation / 111 |
| 10. | 56.5% | Lakeville / 76 |
| 11. | 55.1% | Coplin Plantation / 80 |
| 12. | 53.4% | Meddybemps / 133 |
| 13. | 52.2% | Upton / 76 |
| 14. | 52.2% | Grand Isle / 481 |
| 15. | 51.7% | Dennysville / 408 |
| 16. | 51.6% | Lincoln Plantation / 38 |
| 17. | 50.1% | School Administrative District 04 / 5,172 |
| 18. | 50.0% | Bowerbank / 88 |
| 18. | 50.0% | Bancroft / 71 |
| 20. | 49.0% | Medway / 1,332 |
| 21. | 48.7% | Harmony / 820 |
| 22. | 48.6% | Deblois / 40 |
| 23. | 47.3% | Caswell / 312 |
| 24. | 47.2% | Seboeis Plantation / 36 |
| 25. | 47.1% | Orient / 136 |
| 26. | 47.1% | School Administrative District 14 / 797 |
| 27. | 46.8% | Lowell / 292 |
| 28. | 46.7% | Oxford Unorganized Territory / 594 |
| 29. | 46.7% | Regional School Unit 10 / 18,910 |
| 30. | 46.3% | Franklin Unorganized Territory / 843 |
| 31. | 46.3% | Name N/A / 10,191 |
| 32. | 46.1% | School Administrative District 46 / 6,550 |
| 33. | 46.0% | Jonesport / 1,308 |
| 34. | 46.0% | Madawaska / 4,046 |
| 35. | 45.9% | Cutler / 560 |
| 36. | 45.6% | School Administrative District 08 / 1,126 |
| 37. | 45.4% | School Administrative District 59 / 6,482 |
| 38. | 45.2% | School Administrative District 74 / 5,330 |
| 39. | 45.0% | Woodville / 219 |
| 40. | 44.8% | Penobscot Unorganized Territory / 1,192 |
| 41. | 44.8% | Bridgewater / 622 |
| 42. | 44.6% | East Range Community School District / 202 |
| 43. | 44.4% | School Administrative District 17 / 24,188 |
| 44. | 44.3% | School Administrative District 33 / 1,783 |
| 44. | 44.3% | Greenbush / 1,326 |
| 46. | 44.1% | East Millinocket / 1,818 |
| 47. | 44.1% | Name N/A / 5,673 |
| 47. | 44.1% | Monhegan Plantation / 34 |
| 49. | 44.1% | School Administrative District 30 / 2,035 |
| 50. | 43.8% | School Administrative District 31 / 4,033 |
| 51. | 43.8% | Name N/A / 1,761 |
| 52. | 43.7% | Appleton / 1,642 |
| 53. | 43.6% | Lisbon / 9,023 |
| 54. | 43.5% | Washington Unorganized Territory / 1,475 |
| 55. | 43.4% | Jonesboro / 511 |
| 56. | 43.3% | School Administrative District 12 / 1,114 |
| 57. | 43.3% | Millinocket / 4,530 |
| 58. | 43.3% | School Administrative District 49 / 14,826 |
| 59. | 43.0% | Shirley / 320 |
| 60. | 43.0% | School Administrative District 67 / 6,398 |
| 60. | 43.0% | Regional School Unit 19 / 14,814 |
| 62. | 42.9% | School Administrative District 54 / 17,259 |
| 63. | 42.8% | School Administrative District 55 / 8,061 |
| 64. | 42.7% | Regional School Unit 04 / 10,431 |
| 65. | 42.5% | School Administrative District 41 / 4,454 |
| 66. | 42.5% | Caratunk / 81 |
| 67. | 42.1% | School Administrative District 53 / 6,216 |
| 68. | 41.8% | Winslow / 7,779 |
| 69. | 41.6% | Robbinston / 579 |
| 70. | 41.5% | Machiasport / 1,161 |
| 70. | 41.5% | School Administrative District 45 / 2,346 |
| 72. | 41.3% | School Administrative District 64 / 7,793 |
| 73. | 41.3% | Baileyville / 1,392 |
| 74. | 41.3% | School Administrative District 03 / 10,466 |
| 75. | 41.2% | School Administrative District 37 / 5,873 |
| 76. | 41.0% | School Administrative District 42 / 2,284 |
| 77. | 41.0% | School Administrative District 29 / 8,199 |
| 78. | 40.9% | Crawford / 107 |
| 79. | 40.9% | Waite / 100 |
| 80. | 40.7% | School Administrative District 40 / 14,537 |
| 81. | 40.5% | School Administrative District 58 / 4,903 |
| 82. | 40.5% | Pleasant Point / 585 |
| 83. | 40.5% | School Administrative District 32 / 2,159 |
| 84. | 40.5% | School Administrative District 07 / 456 |
| 85. | 40.4% | Nashville Plantation / 70 |
| 86. | 40.3% | Piscataquis Unorganized Territory / 971 |
| 87. | 40.3% | Regional School Unit 16 / 11,007 |
| 88. | 40.1% | Vassalboro / 4,354 |
| 89. | 40.0% | School Administrative District 57 / 21,912 |
| 90. | 39.9% | Orrington / 3,737 |
| 91. | 39.9% | Regional School Unit 12 / 14,737 |
| 92. | 39.7% | Long Island / 310 |
| 93. | 39.5% | School Administrative District 19 / 1,373 |
| 94. | 39.4% | School Administrative District 20 / 3,478 |
| 95. | 39.2% | School Administrative District 68 / 6,850 |
| 96. | 39.1% | Lewiston / 36,588 |
| 97. | 39.1% | Regional School Unit 13 / 17,136 |
| 97. | 39.1% | Isle au Haut / 93 |
| 99. | 39.0% | Wesley / 90 |
| 99. | 39.0% | Somerset Unorganized Territory / 694 |
| 101. | 39.0% | Princeton / 815 |
| 102. | 38.9% | School Administrative District 70 / 3,684 |
| 103. | 38.8% | Trenton / 1,419 |
| 104. | 38.6% | School Administrative District 72 / 7,759 |
| 105. | 38.5% | Baring Plantation / 289 |
| 106. | 38.4% | School Administrative District 13 / 1,439 |
| 107. | 38.3% | Milford / 3,056 |
| 108. | 38.3% | Hermon / 5,432 |
| 109. | 38.1% | Lake View Plantation / 71 |
| 110. | 38.1% | Pembroke / 931 |
| 110. | 38.1% | School Administrative District 44 / 5,903 |
| 112. | 37.9% | School Administrative District 11 / 13,659 |
| 113. | 37.9% | New Sweden / 576 |
| 114. | 37.8% | Deer Isle-Stonington Community School District / 2,918 |
| 115. | 37.8% | Roque Bluffs / 236 |
| 115. | 37.8% | Tremont / 1,775 |
| 117. | 37.7% | Easton / 1,249 |
| 118. | 37.6% | Fayette / 1,203 |
| 119. | 37.6% | School Administrative District 63 / 6,369 |
| 119. | 37.6% | Beals / 453 |
| 121. | 37.5% | School Administrative District 23 / 5,610 |
| 122. | 37.5% | Machias / 2,392 |
| 123. | 37.5% | Aroostook Unorganized Territory / 1,408 |
| 124. | 37.5% | School Administrative District 60 / 17,903 |
| 125. | 37.4% | School Administrative District 24 / 2,980 |
| 126. | 37.3% | Cooper / 174 |
| 127. | 37.0% | School Administrative District 06 / 25,994 |
| 128. | 36.9% | School Administrative District 52 / 12,032 |
| 129. | 36.8% | Woodland / 1,215 |
| 130. | 36.5% | School Administrative District 27 / 6,495 |
| 131. | 36.5% | School Administrative District 09 / 17,751 |
| 132. | 36.5% | Greenville / 1,692 |
| 133. | 36.3% | Acton / 2,457 |
| 134. | 36.3% | Augusta / 19,088 |
| 135. | 36.1% | Regional School Unit 25 / 8,394 |
| 136. | 35.9% | Sanford / 20,885 |
| 137. | 35.9% | Perry / 961 |
| 138. | 35.8% | School Administrative District 01 / 13,023 |
| 139. | 35.8% | Biddeford / 21,351 |
| 140. | 35.8% | School Administrative District 61 / 14,444 |
| 141. | 35.7% | Gilead / 95 |
| 142. | 35.6% | Regional School Unit 18 / 19,006 |
| 143. | 35.6% | Southwest Harbor / 1,848 |
| 144. | 35.5% | Regional School Unit 20 / 18,290 |
| 145. | 35.4% | Hancock Unorganized Territory / 162 |
| 146. | 35.3% | Calais / 3,132 |
| 147. | 35.2% | Carroll Plantation / 85 |
| 148. | 35.2% | Regional School Unit 24 / 18,720 |
| 149. | 34.9% | Regional School Unit 34 / 10,342 |
| 150. | 34.8% | Airline Community School District / 438 |
| 151. | 34.5% | School Administrative District 76 / 386 |
| 152. | 34.4% | Auburn / 23,104 |
| 153. | 34.4% | School Administrative District 15 / 13,280 |
| 154. | 34.2% | Westbrook / 17,501 |
| 155. | 34.2% | Waterville / 15,780 |
| 156. | 33.6% | Winthrop / 6,107 |
| 157. | 33.6% | Sedgwick / 1,226 |
| 158. | 33.3% | Kennebec Unorganized Territory / 80 |
| 159. | 33.2% | Whiting / 512 |
| 160. | 33.1% | Regional School Unit 14 / 21,475 |
| 161. | 33.1% | Regional School Unit 01 / 16,270 |
| 162. | 33.1% | Brewer / 9,452 |
| 163. | 33.1% | Alexander / 419 |
| 164. | 32.9% | Regional School Unit 39 / 10,596 |
| 165. | 32.7% | Charlotte / 284 |
| 166. | 32.6% | Talmadge / 57 |
| 167. | 32.6% | Dedham / 1,850 |
| 168. | 32.4% | Jefferson / 2,602 |
| 169. | 32.4% | Medford / 211 |
| 170. | 32.2% | Lincolnville / 2,192 |
| 171. | 32.1% | Name N/A / 1,779 |
| 172. | 32.0% | East Machias / 1,235 |
| 173. | 32.0% | Regional School Unit 02 / 14,802 |
| 174. | 31.8% | Regional School Unit 23 / 29,430 |
| 175. | 31.7% | Northfield / 177 |
| 175. | 31.7% | Indian Township / 841 |
| 177. | 31.5% | Marshfield / 424 |
| 178. | 31.3% | Vanceboro / 128 |
| 179. | 31.0% | Willimantic / 71 |
| 180. | 30.4% | Bangor / 32,988 |
| 180. | 30.4% | Eastport / 1,458 |
| 182. | 30.4% | Hope / 1,635 |
| 183. | 29.9% | School Administrative District 75 / 19,564 |
| 184. | 29.6% | School Administrative District 22 / 12,465 |
| 185. | 29.6% | Wells-Ogunquit Community School District / 10,845 |
| 186. | 29.5% | Kittery / 9,538 |
| 187. | 28.9% | School Administration District 10 / 201 |
| 188. | 28.1% | Damariscotta / 2,170 |
| 189. | 28.0% | School Administrative District 35 / 13,454 |
| 190. | 27.7% | Regional School Unit 38 / 7,758 |
| 191. | 27.7% | Islesboro / 626 |
| 192. | 27.7% | Bremen / 784 |
| 192. | 27.7% | Boothbay-Boothbay Harbor Community School District / 5,266 |
| 194. | 27.6% | Gorham / 16,395 |
| 195. | 27.6% | Great Lake Stream Plantation / 115 |
| 196. | 27.6% | Name N/A / 31,164 |
| 197. | 27.6% | Indian Island / 693 |
| 198. | 27.5% | Blue Hill / 2,681 |
| 199. | 26.9% | South Portland / 24,997 |
| 200. | 26.7% | Penobscot / 1,086 |
| 201. | 26.7% | Bristol / 2,748 |
| 202. | 26.6% | Name N/A / 13,696 |
| 203. | 26.6% | Mount Desert Community School District / 10,939 |
| 204. | 26.6% | South Bristol / 964 |
| 205. | 26.3% | The Forks Plantation / 22 |
| 206. | 26.3% | Great Salt Bay Community School District / 4,768 |
| 207. | 26.1% | Regional School Unit 05 / 13,256 |
| 208. | 26.1% | Brunswick / 20,376 |
| 209. | 26.0% | Otis / 508 |
| 210. | 25.5% | Georgetown / 935 |
| 211. | 25.2% | Chebeague Island / 285 |
| 212. | 24.7% | Surry / 1,736 |
| 213. | 24.2% | Edgecomb / 1,082 |
| 214. | 24.1% | Westmanland / 71 |
| 215. | 24.0% | Regional School Unit 21 / 18,423 |
| 216. | 23.7% | Mount Desert / 2,086 |
| 217. | 23.7% | Newcastle / 1,814 |
| 218. | 23.6% | Beddington / 57 |
| 219. | 23.5% | Kingsbury Plantation / 17 |
| 220. | 23.1% | Regional School Unit 26 / 17,096 |
| 221. | 23.0% | York / 12,625 |
| 222. | 22.9% | Nobleboro / 1,699 |
| 223. | 22.4% | Brooklin / 981 |
| 224. | 21.9% | Scarborough / 18,941 |
| 225. | 21.5% | School Administrative District 28 / 8,227 |
| 226. | 20.9% | Bar Harbor / 5,230 |
| 227. | 20.7% | Southport / 539 |
| 228. | 20.6% | Brooksville / 983 |
| 229. | 20.3% | Portland / 66,235 |
| 230. | 17.0% | Yarmouth / 8,390 |
| 231. | 16.7% | Cranberry Isles / 98 |
| 232. | 15.3% | Carrabassett Valley / 531 |
| 233. | 15.0% | School Administrative District 51 / 10,796 |
| 234. | 14.9% | Beaver Cove / 203 |
| 235. | 14.8% | Falmouth / 11,233 |
| 236. | 14.5% | Cape Elizabeth / 9,055 |
| 237. | 12.1% | Castine / 1,673 |
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.
