| Rank | Water Area ▼ | School District / Population |
| 1. | 351.89 sq mi | Cape Flattery School District / 2,855 |
| 2. | 214.96 sq mi | Sequim School District / 29,833 |
| 3. | 213.57 sq mi | Blaine School District / 16,491 |
| 4. | 199.90 sq mi | Ocean Beach School District / 9,571 |
| 5. | 198.30 sq mi | San Juan Island School District / 7,771 |
| 6. | 162.95 sq mi | Crescent School District / 2,720 |
| 7. | 157.39 sq mi | Orcas Island School District / 5,251 |
| 8. | 155.03 sq mi | Quillayute Valley School District / 6,383 |
| 9. | 117.98 sq mi | Port Angeles School District / 30,792 |
| 10. | 111.51 sq mi | Port Townsend School District / 14,284 |
| 11. | 108.63 sq mi | North Beach School District / 7,055 |
| 12. | 102.37 sq mi | Oak Harbor School District / 37,644 |
| 13. | 97.38 sq mi | Ocosta School District / 7,250 |
| 14. | 91.82 sq mi | Anacortes School District / 20,359 |
| 15. | 89.13 sq mi | Ferndale School District / 30,515 |
| 16. | 88.18 sq mi | Taholah School District / 899 |
| 17. | 82.56 sq mi | South Whidbey School District / 15,586 |
| 18. | 82.17 sq mi | Lopez School District / 2,604 |
| 19. | 76.29 sq mi | Queets-Clearwater School District / 789 |
| 20. | 75.83 sq mi | Stanwood-Camano School District / 32,457 |
| 21. | 71.60 sq mi | North Kitsap School District / 47,616 |
| 22. | 68.80 sq mi | Coupeville School District / 10,520 |
| 23. | 68.14 sq mi | Chimacum School District / 11,424 |
| 24. | 66.65 sq mi | Peninsula School District / 62,980 |
| 25. | 58.88 sq mi | Seattle School District / 638,610 |
| 26. | 46.63 sq mi | Bellingham School District / 103,698 |
| 27. | 45.96 sq mi | Burlington-Edison School District / 20,510 |
| 28. | 45.43 sq mi | Vashon Island School District / 10,447 |
| 29. | 42.11 sq mi | South Bend School District / 2,446 |
| 30. | 39.87 sq mi | Hoquiam School District / 10,827 |
| 31. | 37.41 sq mi | Bainbridge Island School District / 23,206 |
| 32. | 36.59 sq mi | Concrete School District / 4,949 |
| 33. | 33.60 sq mi | Coulee-Hartline School District / 1,579 |
| 34. | 32.23 sq mi | Central Kitsap School District / 70,396 |
| 35. | 32.19 sq mi | Quilcene School District / 1,659 |
| 36. | 31.52 sq mi | Moses Lake School District / 40,936 |
| 37. | 31.19 sq mi | Inchelium School District / 1,183 |
| 38. | 30.41 sq mi | Steilacoom Historical School District / 20,969 |
| 39. | 28.49 sq mi | Hood Canal School District / 5,509 |
| 40. | 28.46 sq mi | Lake Chelan School District / 7,582 |
| 41. | 27.05 sq mi | Grand Coulee Dam School District / 4,753 |
| 42. | 24.86 sq mi | North Mason School District / 14,521 |
| 43. | 24.68 sq mi | Kettle Falls School District / 5,479 |
| 44. | 23.15 sq mi | Pioneer School District / 10,416 |
| 45. | 23.09 sq mi | South Kitsap School District / 66,259 |
| 46. | 22.44 sq mi | Mukilteo School District / 96,423 |
| 47. | 22.29 sq mi | Naselle-Grays River Valley School District / 2,412 |
| 48. | 22.15 sq mi | Paterson School District / 352 |
| 49. | 21.08 sq mi | Columbia School District / 3,466 |
| 50. | 20.80 sq mi | Brinnon School District / 1,263 |
| 51. | 20.44 sq mi | Manson School District / 3,340 |
| 52. | 18.47 sq mi | Marysville School District / 71,032 |
| 53. | 18.18 sq mi | Conway School District / 2,969 |
| 54. | 17.80 sq mi | Tacoma Public Schools / 212,381 |
| 55. | 16.50 sq mi | Edmonds School District / 159,316 |
| 56. | 16.24 sq mi | Olympia School District / 62,892 |
| 57. | 15.72 sq mi | Columbia School District / 1,171 |
| 58. | 15.72 sq mi | North Thurston Public Schools / 97,287 |
| 59. | 15.25 sq mi | Keller School District / 430 |
| 60. | 14.47 sq mi | La Conner School District / 4,631 |
| 61. | 14.23 sq mi | Everett School District / 134,180 |
| 62. | 14.20 sq mi | White Pass School District / 3,671 |
| 63. | 14.15 sq mi | Finley School District / 5,006 |
| 64. | 13.92 sq mi | Richland School District / 65,458 |
| 65. | 13.11 sq mi | Kittitas School District / 4,058 |
| 66. | 13.09 sq mi | Wahkiakum School District / 2,894 |
| 67. | 12.87 sq mi | Highline School District / 128,065 |
| 68. | 12.64 sq mi | Mossyrock School District / 4,049 |
| 69. | 12.33 sq mi | Mount Baker School District / 15,423 |
| 70. | 11.25 sq mi | Washougal School District / 20,325 |
| 71. | 11.06 sq mi | Okanogan School District / 5,556 |
| 72. | 10.89 sq mi | Easton School District / 954 |
| 73. | 10.86 sq mi | Wahluke School District / 8,345 |
| 74. | 10.72 sq mi | Federal Way School District / 134,509 |
| 75. | 9.94 sq mi | Woodland School District / 10,908 |
| 76. | 9.77 sq mi | Brewster School District / 4,498 |
| 77. | 9.58 sq mi | Cle Elum-Roslyn School District / 7,728 |
| 78. | 9.45 sq mi | Pasco School District / 73,998 |
| 79. | 9.39 sq mi | Lake Quinault School District / 1,145 |
| 80. | 9.30 sq mi | Shaw Island School District / 221 |
| 81. | 9.21 sq mi | Cusick School District / 1,842 |
| 82. | 9.12 sq mi | Snoqualmie Valley School District / 36,121 |
| 83. | 9.03 sq mi | Griffin School District / 6,347 |
| 84. | 9.01 sq mi | Stevenson-Carson School District / 5,976 |
| 85. | 8.78 sq mi | Goldendale School District / 6,966 |
| 86. | 8.74 sq mi | Stehekin School District / 7 |
| 87. | 8.70 sq mi | Bellevue School District / 128,388 |
| 88. | 8.68 sq mi | Vancouver Public Schools / 145,307 |
| 89. | 8.57 sq mi | Roosevelt School District / 217 |
| 90. | 8.37 sq mi | Quincy School District / 12,473 |
| 91. | 8.32 sq mi | Cascade School District / 8,854 |
| 92. | 8.00 sq mi | Royal School District / 6,709 |
| 93. | 7.96 sq mi | Selkirk School District / 2,224 |
| 94. | 7.83 sq mi | Newport School District / 8,238 |
| 95. | 7.81 sq mi | Eatonville School District / 10,930 |
| 96. | 7.79 sq mi | Naches Valley School District / 8,394 |
| 97. | 7.64 sq mi | Shelton School District / 23,526 |
| 98. | 7.62 sq mi | Prescott School District / 1,564 |
| 99. | 7.55 sq mi | Tonasket School District / 7,573 |
| 100. | 7.48 sq mi | Pomeroy School District / 2,168 |
| 101. | 7.43 sq mi | Kennewick School District / 88,498 |
| 102. | 7.29 sq mi | Sedro-Woolley School District / 26,417 |
| 103. | 7.14 sq mi | Skamania School District / 785 |
| 104. | 7.02 sq mi | Evergreen School District (Stevens) / 429 |
| 105. | 6.89 sq mi | Shoreline School District / 67,123 |
| 106. | 6.79 sq mi | Mercer Island School District / 23,636 |
| 107. | 6.77 sq mi | LaCrosse School District / 668 |
| 108. | 6.65 sq mi | Bridgeport School District / 3,324 |
| 109. | 6.61 sq mi | Oroville School District / 3,998 |
| 110. | 6.55 sq mi | Grapeview School District / 2,626 |
| 111. | 6.41 sq mi | Lake Washington School District / 186,310 |
| 112. | 6.36 sq mi | Skykomish School District / 430 |
| 113. | 6.29 sq mi | Bremerton School District / 45,904 |
| 114. | 6.16 sq mi | Creston School District / 1,058 |
| 115. | 6.14 sq mi | Nooksack Valley School District / 11,244 |
| 116. | 6.02 sq mi | Wilbur School District / 1,237 |
| 117. | 5.51 sq mi | Longview Public Schools / 44,887 |
| 118. | 5.43 sq mi | Northport School District / 1,581 |
| 119. | 5.01 sq mi | Davenport School District / 2,970 |
| 120. | 4.97 sq mi | Raymond School District / 4,031 |
| 121. | 4.92 sq mi | Yelm Community Schools / 30,223 |
| 122. | 4.83 sq mi | Nine Mile Falls School District / 9,594 |
| 123. | 4.81 sq mi | Kelso School District / 28,516 |
| 124. | 4.70 sq mi | North Franklin School District / 10,061 |
| 125. | 4.65 sq mi | Lyle School District / 2,549 |
| 126. | 4.54 sq mi | Kahlotus School District / 283 |
| 127. | 4.52 sq mi | Eastmont School District / 29,976 |
| 128. | 4.49 sq mi | Riverview School District / 19,629 |
| 129. | 4.29 sq mi | Cheney School District / 34,461 |
| 130. | 4.19 sq mi | Sultan School District / 13,382 |
| 131. | 4.19 sq mi | Orient School District / 997 |
| 132. | 4.14 sq mi | Nespelem School District / 1,120 |
| 133. | 4.09 sq mi | Orondo School District / 1,547 |
| 134. | 4.07 sq mi | St. John School District / 1,108 |
| 135. | 4.04 sq mi | Aberdeen School District / 19,905 |
| 136. | 4.00 sq mi | Battle Ground School District / 67,123 |
| 137. | 3.98 sq mi | Ridgefield School District / 14,498 |
| 138. | 3.89 sq mi | Wenatchee School District / 43,416 |
| 139. | 3.85 sq mi | Star School District / 79 |
| 140. | 3.82 sq mi | Wishram School District / 424 |
| 141. | 3.76 sq mi | Enumclaw School District / 25,760 |
| 142. | 3.74 sq mi | White Salmon Valley School District / 7,396 |
| 143. | 3.72 sq mi | Colton School District / 1,198 |
| 144. | 3.71 sq mi | Soap Lake School District / 3,285 |
| 145. | 3.66 sq mi | Entiat School District / 2,379 |
| 146. | 3.64 sq mi | Selah School District / 18,117 |
| 147. | 3.60 sq mi | Bickleton School District / 461 |
| 148. | 3.46 sq mi | Pateros School District / 1,430 |
| 149. | 3.37 sq mi | Darrington School District / 3,279 |
| 150. | 3.27 sq mi | Asotin-Anatone School District / 3,169 |
| 151. | 3.06 sq mi | Issaquah School District / 105,010 |
| 152. | 2.91 sq mi | Clover Park School District / 81,580 |
| 153. | 2.89 sq mi | Montesano School District / 8,426 |
| 154. | 2.83 sq mi | Snohomish School District / 52,659 |
| 155. | 2.83 sq mi | Ritzville School District / 2,611 |
| 156. | 2.79 sq mi | Loon Lake School District / 1,649 |
| 157. | 2.78 sq mi | Omak School District / 10,412 |
| 158. | 2.77 sq mi | Dayton School District / 3,837 |
| 159. | 2.69 sq mi | Camas School District / 29,911 |
| 160. | 2.69 sq mi | Green Mountain School District / 1,057 |
| 161. | 2.65 sq mi | Colfax School District / 4,185 |
| 162. | 2.60 sq mi | Odessa School District / 1,431 |
| 163. | 2.59 sq mi | Bethel School District / 103,634 |
| 164. | 2.53 sq mi | Toutle Lake School District / 3,160 |
| 165. | 2.49 sq mi | Kent School District / 163,185 |
| 166. | 2.44 sq mi | Morton School District / 2,556 |
| 167. | 2.33 sq mi | Renton School District / 118,608 |
| 168. | 2.30 sq mi | University Place School District / 29,934 |
| 169. | 2.30 sq mi | Medical Lake School District / 11,325 |
| 170. | 2.20 sq mi | Tenino School District / 9,808 |
| 171. | 2.18 sq mi | East Valley School District (Spokane) / 26,463 |
| 172. | 2.15 sq mi | Methow Valley School District / 4,979 |
| 173. | 2.08 sq mi | Starbuck School District / 131 |
| 174. | 2.06 sq mi | Mary Walker School District / 3,060 |
| 175. | 2.00 sq mi | Warden School District / 4,068 |
| 176. | 2.00 sq mi | Mansfield School District / 560 |
| 177. | 1.99 sq mi | Mill A School District / 498 |
| 178. | 1.95 sq mi | Kalama School District / 6,850 |
| 179. | 1.94 sq mi | Sprague School District / 697 |
| 180. | 1.93 sq mi | Granite Falls School District / 13,740 |
| 181. | 1.92 sq mi | White River School District / 21,088 |
| 182. | 1.92 sq mi | Castle Rock School District / 10,377 |
| 183. | 1.89 sq mi | Tumwater School District / 37,970 |
| 184. | 1.82 sq mi | Clarkston School District / 18,858 |
| 185. | 1.79 sq mi | Lake Stevens School District / 41,019 |
| 186. | 1.77 sq mi | Reardan-Edwall School District / 4,909 |
| 187. | 1.69 sq mi | Prosser School District / 14,382 |
| 188. | 1.66 sq mi | Othello School District / 14,769 |
| 189. | 1.65 sq mi | Wellpinit School District / 999 |
| 190. | 1.60 sq mi | Republic School District / 3,751 |
| 191. | 1.53 sq mi | Elma School District / 8,572 |
| 192. | 1.48 sq mi | Carbonado School District / 732 |
| 193. | 1.38 sq mi | Colville School District / 11,398 |
| 194. | 1.38 sq mi | Toledo School District / 4,146 |
| 195. | 1.35 sq mi | Palisades School District / 366 |
| 196. | 1.32 sq mi | Central Valley School District / 77,908 |
| 197. | 1.31 sq mi | Ellensburg School District / 26,774 |
| 198. | 1.31 sq mi | Lakewood School District / 13,903 |
| 199. | 1.31 sq mi | Ephrata School District / 11,355 |
| 200. | 1.30 sq mi | Wilson Creek School District / 461 |
| 201. | 1.29 sq mi | Riverside School District / 11,129 |
| 202. | 1.29 sq mi | Mount Vernon School District / 38,393 |
| 203. | 1.25 sq mi | Centralia School District / 22,421 |
| 204. | 1.19 sq mi | Kiona-Benton School District / 8,106 |
| 205. | 1.17 sq mi | Tahoma School District / 39,802 |
| 206. | 1.16 sq mi | Mount Pleasant School District / 377 |
| 207. | 0.97 sq mi | Deer Park School District / 10,436 |
| 208. | 0.96 sq mi | Sumner School District / 43,664 |
| 209. | 0.96 sq mi | Rainier School District / 4,955 |
| 210. | 0.95 sq mi | Cosmopolis School District / 1,867 |
| 211. | 0.94 sq mi | Mary M. Knight School District / 1,639 |
| 212. | 0.94 sq mi | Northshore School District / 128,593 |
| 213. | 0.92 sq mi | Rochester School District / 14,715 |
| 214. | 0.91 sq mi | Spokane Public Schools / 221,617 |
| 215. | 0.89 sq mi | Lynden School District / 18,355 |
| 216. | 0.82 sq mi | Mount Adams School District / 4,045 |
| 217. | 0.81 sq mi | Valley School District / 1,360 |
| 218. | 0.80 sq mi | Auburn School District / 86,733 |
| 219. | 0.75 sq mi | Monroe School District / 39,271 |
| 220. | 0.74 sq mi | Mabton School District / 3,283 |
| 221. | 0.74 sq mi | Arlington School District / 30,700 |
| 222. | 0.70 sq mi | Lamont School District / 191 |
| 223. | 0.69 sq mi | Harrington School District / 620 |
| 224. | 0.67 sq mi | Oakville School District / 2,558 |
| 225. | 0.67 sq mi | Evergreen School District (Clark) / 144,158 |
| 226. | 0.61 sq mi | Index School District / 608 |
| 227. | 0.60 sq mi | Southside School District / 2,210 |
| 228. | 0.59 sq mi | Sunnyside School District / 25,306 |
| 229. | 0.59 sq mi | Chehalis School District / 15,339 |
| 230. | 0.54 sq mi | Boistfort School District / 1,022 |
| 231. | 0.51 sq mi | Orting School District / 13,762 |
| 232. | 0.51 sq mi | Benge School District / 118 |
| 233. | 0.50 sq mi | Pullman School District / 32,763 |
| 234. | 0.49 sq mi | Yakima School District / 78,730 |
| 235. | 0.42 sq mi | Meridian School District / 9,030 |
| 236. | 0.41 sq mi | Damman School District / 756 |
| 237. | 0.40 sq mi | Chewelah School District / 6,111 |
| 238. | 0.39 sq mi | East Valley School District (Yakima) / 15,061 |
| 239. | 0.38 sq mi | Cashmere School District / 8,343 |
| 240. | 0.36 sq mi | Grandview School District / 15,786 |
| 241. | 0.34 sq mi | Puyallup School District / 121,755 |
| 242. | 0.31 sq mi | Dieringer School District / 10,109 |
| 243. | 0.30 sq mi | Granger School District / 5,943 |
| 244. | 0.30 sq mi | Onalaska School District / 5,103 |
| 245. | 0.28 sq mi | Wishkah Valley School District / 879 |
| 246. | 0.27 sq mi | Pe Ell School District / 1,811 |
| 247. | 0.25 sq mi | La Center School District / 8,523 |
| 248. | 0.25 sq mi | Fife Public Schools / 21,518 |
| 249. | 0.19 sq mi | Wapato School District / 13,779 |
| 250. | 0.19 sq mi | Satsop School District / 583 |
| 251. | 0.18 sq mi | West Valley School District / 28,705 |
| 252. | 0.17 sq mi | Washtucna School District / 374 |
| 253. | 0.16 sq mi | Endicott School District / 497 |
| 254. | 0.15 sq mi | Willapa Valley School District / 2,300 |
| 255. | 0.15 sq mi | Adna School District / 3,445 |
| 256. | 0.14 sq mi | Tukwila School District / 18,514 |
| 257. | 0.13 sq mi | Thorp School District / 1,422 |
| 258. | 0.13 sq mi | West Valley School District / 19,374 |
| 259. | 0.13 sq mi | McCleary School District / 3,014 |
| 260. | 0.12 sq mi | Walla Walla School District / 38,110 |
| 261. | 0.11 sq mi | Union Gap School District / 3,708 |
| 262. | 0.10 sq mi | Liberty School District / 4,450 |
| 263. | 0.10 sq mi | Almira School District / 441 |
| 264. | 0.09 sq mi | Great Northern School District / 968 |
| 265. | 0.07 sq mi | Touchet School District / 1,126 |
| 266. | 0.06 sq mi | Mead School District / 51,622 |
| 267. | 0.05 sq mi | Glenwood School District / 484 |
| 268. | 0.05 sq mi | Franklin Pierce School District / 51,245 |
| 269. | 0.04 sq mi | Trout Lake School District / 876 |
| 270. | 0.03 sq mi | Lind School District / 985 |
| 271. | 0.02 sq mi | Curlew School District / 1,268 |
| 272. | 0.02 sq mi | Summit Valley School District / 603 |
| 273. | 0.01 sq mi | Waterville School District / 2,362 |
| 274. | 0.01 sq mi | Toppenish School District / 15,652 |
| 275. | 0.01 sq mi | Freeman School District / 4,013 |
| 276. | 0.00 sq mi | Hockinson School District / 8,872 |
| 277. | 0.00 sq mi | Onion Creek School District / 378 |
| 278. | 0.00 sq mi | Palouse School District / 1,422 |
| 279. | 0.00 sq mi | College Place School District / 13,500 |
| 280. | 0.00 sq mi | Klickitat School District / 747 |
| 280. | 0.00 sq mi | Highland School District / 5,388 |
| 280. | 0.00 sq mi | Zillah School District / 5,293 |
| 280. | 0.00 sq mi | Garfield School District / 632 |
| 280. | 0.00 sq mi | Winlock School District / 5,296 |
| 280. | 0.00 sq mi | Napavine School District / 4,279 |
| 280. | 0.00 sq mi | Centerville School District / 922 |
| 280. | 0.00 sq mi | Dixie School District / 478 |
| 280. | 0.00 sq mi | Tekoa School District / 1,040 |
| 280. | 0.00 sq mi | Rosalia School District / 1,115 |
| 280. | 0.00 sq mi | Waitsburg School District / 1,295 |
| 280. | 0.00 sq mi | Orchard Prairie School District / 760 |
| 280. | 0.00 sq mi | Oakesdale School District / 900 |
| 280. | 0.00 sq mi | North River School District / 307 |
| 280. | 0.00 sq mi | Evaline School District / 647 |
| 280. | 0.00 sq mi | Steptoe School District / 313 |
Please note that we only rank locations with 'Water Area' data. The rank above might not be a complete list. Locations without 'Water Area' data are not listed.
