| Seattle Public Schools | 50,770 | Sep 2 | May 27 | Estimated |
| Lake Washington School District | 30,991 | Aug 31 | Jun 16 | Estimated |
| Spokane School District | 28,714 | Sep 2 | May 27 | Estimated |
| Tacoma School District | 28,272 | Sep 21 | Jul 30 | Estimated |
| Kent School District | 25,700 | Sep 2 | May 27 | Estimated |
| Northshore School District | 22,944 | Sep 2 | Jun 25 | Estimated |
| Puyallup School District | 22,905 | Sep 2 | Jun 16 | Estimated |
| Evergreen School District | 22,591 | Sep 2 | May 27 | Estimated |
| Vancouver School District | 21,949 | Sep 2 | May 27 | Estimated |
| Federal Way School District | 21,606 | Sep 2 | May 27 | Estimated |
| Bethel School District | 21,156 | Sep 2 | May 27 | Estimated |
| Edmonds School District | 20,755 | Sep 2 | May 27 | Estimated |
| Everett School District | 20,359 | Sep 2 | May 27 | Estimated |
| Bellevue School District | 19,855 | Sep 2 | May 27 | Estimated |
| Issaquah School District | 19,452 | Sep 2 | May 27 | Estimated |
| Pasco School District | 18,840 | Sep 2 | May 27 | Estimated |
| Auburn School District | 18,107 | Sep 2 | May 27 | Estimated |
| Highline School District | 18,048 | Sep 3 | Jun 17 | Estimated |
| Yakima School District | 15,545 | Sep 2 | May 27 | Estimated |
| North Thurston Public Schools | 15,197 | Sep 2 | May 27 | Estimated |
| Renton School District | 15,081 | Aug 26 | Jun 16 | Estimated |
| Central Valley School District | 14,721 | Sep 2 | May 27 | Estimated |
| Richland School District | 14,305 | Sep 1 | May 28 | Estimated |
| Clover Park School District | 12,395 | Sep 2 | May 27 | Estimated |
| Battle Ground School District, WA | 12,393 | Sep 2 | May 27 | Estimated |
| Bellingham School District | 11,614 | Sep 2 | May 27 | Estimated |
| Central Kitsap School District | 11,116 | Sep 2 | May 27 | Estimated |
| Sumner School District | 10,414 | Aug 4 | May 25 | Estimated |
| Mead School District | 10,320 | Sep 2 | May 27 | Estimated |
| Marysville School District | 10,196 | Sep 2 | May 27 | Estimated |
| Lake Stevens School District | 9,788 | Aug 31 | Jun 16 | Estimated |
| Snohomish School District | 9,639 | Sep 2 | May 27 | Estimated |
| Olympia School District | 9,633 | Sep 2 | Jun 22 | Estimated |
| Shoreline School District | 9,612 | Sep 2 | May 27 | Estimated |
| South Kitsap School District | 9,297 | Sep 2 | May 27 | Estimated |
| Tahoma School District | 9,112 | Aug 26 | Jun 15 | Estimated |
| Peninsula School District | 9,069 | Sep 2 | Jun 23 | Estimated |
| Moses Lake School District | 8,740 | Aug 31 | Jun 16 | Estimated |
| Wenatchee School District | 7,347 | Sep 2 | May 27 | Estimated |
| Camas School District | 7,324 | Aug 24 | Jun 17 | Estimated |
| Snoqualmie Valley School District | 7,161 | Sep 2 | May 27 | Estimated |
| Mount Vernon School District | 6,441 | Aug 6 | May 25 | Estimated |
| Sunnyside School District | 6,369 | Aug 24 | Jun 17 | Estimated |
| Longview School District | 6,311 | Sep 2 | May 27 | Estimated |
| Eastmont School District | 6,089 | Sep 2 | May 27 | Estimated |
| Omak School District | 5,834 | Sep 2 | May 27 | Estimated |
| Monroe School District | 5,734 | Sep 2 | May 27 | Estimated |
| Yelm School District | 5,668 | Sep 2 | May 27 | Estimated |
| Arlington School District | 5,637 | Aug 31 | Jun 17 | Estimated |
| University Place School District | 5,606 | Sep 2 | May 27 | Estimated |
| Walla Walla Public Schools | 5,599 | Aug 10 | May 27 | Estimated |
| Cheney School District | 5,540 | Sep 2 | May 27 | Estimated |
| West Valley School District (Yakima) | 5,520 | Sep 2 | May 27 | Estimated |
| North Kitsap School District | 5,363 | Sep 2 | May 27 | Estimated |
| Kelso School District | 4,940 | Sep 2 | May 27 | Estimated |
| Stanwood-Camano School District | 4,861 | Sep 2 | May 27 | Estimated |
| Ferndale School District | 4,651 | Sep 2 | May 27 | Estimated |
| Sedro-Woolley School District | 4,593 | Sep 2 | May 27 | Estimated |
| Shelton School District | 4,527 | Sep 2 | May 27 | Estimated |
| White River School District | 4,500 | Aug 3 | Jun 3 | Estimated |
| Enumclaw School District | 4,436 | Sep 2 | May 27 | Estimated |
| Bremerton School District | 4,383 | Sep 2 | May 27 | Estimated |
| Toppenish School District | 4,246 | Sep 2 | Jun 22 | Estimated |
| Ridgefield School District | 3,987 | Aug 27 | Jun 15 | Estimated |
| Mercer Island School District | 3,975 | Sep 2 | May 27 | Estimated |
| Fife School District | 3,916 | Sep 2 | May 27 | Estimated |
| Selah School District | 3,798 | Sep 2 | May 27 | Estimated |
| East Valley School District (Spokane) | 3,670 | Sep 2 | May 27 | Estimated |
| Grandview School District | 3,637 | Aug 20 | Jun 8 | Estimated |
| Bainbridge Island School District | 3,554 | Sep 2 | Jun 4 | Estimated |
| Lynden School District | 3,553 | Aug 10 | May 27 | Estimated |
| Port Angeles School District | 3,530 | Sep 2 | May 27 | Estimated |
| West Valley School District (Spokane) | 3,483 | Sep 2 | May 27 | Estimated |
| Centralia School District | 3,440 | Sep 2 | May 27 | Estimated |
| Burlington-Edison School District | 3,351 | Aug 26 | Jun 9 | Estimated |
| East Valley School District (Yakima) | 3,334 | Sep 2 | May 27 | Estimated |
| Aberdeen School District | 3,304 | Sep 2 | Jun 16 | Confirmed |
| Ellensburg School District | 3,238 | Sep 2 | May 27 | Estimated |
| Quincy School District | 3,202 | Sep 2 | May 27 | Estimated |
| Chehalis School District | 3,145 | Sep 1 | Jun 11 | Estimated |
| Riverview School District | 3,111 | Aug 5 | May 26 | Estimated |
| Steilacoom Hist. School District | 3,039 | Aug 12 | Jun 3 | Estimated |
| Goldendale School District | 2,976 | Sep 2 | May 27 | Estimated |
| Washougal School District | 2,865 | Sep 2 | May 27 | Estimated |
| Ephrata School District | 2,853 | Sep 2 | May 27 | Estimated |
| Orting School District | 2,814 | Aug 24 | Jun 17 | Estimated |
| Deer Park School District | 2,774 | Aug 18 | May 27 | Estimated |
| Tukwila School District | 2,715 | Sep 2 | May 27 | Estimated |
| Lakewood School District | 2,671 | Sep 2 | May 27 | Estimated |
| Anacortes School District | 2,606 | Sep 2 | May 27 | Estimated |
| Sequim School District | 2,602 | Aug 26 | Jun 9 | Estimated |
| Clarkston School District | 2,518 | Sep 2 | May 27 | Estimated |
| Wahluke School District | 2,483 | Sep 2 | May 27 | Estimated |
| Prosser School District | 2,460 | Sep 2 | May 27 | Estimated |
| Woodland School District | 2,432 | Aug 26 | Jun 15 | Estimated |
| Granite Falls School District | 2,342 | Sep 2 | May 27 | Estimated |
| North Mason School District | 2,334 | Sep 2 | May 27 | Estimated |
| Rochester School District | 2,150 | Aug 24 | Jun 9 | Estimated |
| Blaine School District | 2,081 | Aug 24 | Jun 17 | Estimated |
| North Franklin School District | 2,074 | Sep 2 | May 27 | Estimated |
| Sultan School District | 2,074 | Aug 24 | Jun 17 | Estimated |
| Hockinson School District | 2,000 | Sep 2 | May 27 | Estimated |
| Eatonville School District | 1,993 | Sep 2 | May 27 | Estimated |
| Nooksack Valley School District | 1,946 | Sep 2 | May 27 | Estimated |
| Meridian School District | 1,903 | Aug 24 | Jun 17 | Estimated |
| Medical Lake School District | 1,861 | Aug 31 | Jun 16 | Estimated |
| La Center School District | 1,826 | Sep 2 | May 27 | Estimated |
| Royal School District | 1,763 | Aug 24 | Jun 17 | Estimated |
| Elma School District | 1,695 | Sep 2 | May 27 | Estimated |
| Mount Baker School District | 1,692 | Aug 7 | May 28 | Estimated |
| Colville School District | 1,685 | Sep 2 | May 27 | Estimated |
| Hoquiam School District | 1,640 | Sep 2 | May 27 | Estimated |
| Cashmere School District | 1,630 | Sep 2 | May 27 | Estimated |
| Riverside School District | 1,604 | Aug 7 | May 26 | Estimated |
| College Place School District | 1,537 | Aug 10 | May 27 | Estimated |
| Castle Rock School District | 1,492 | Sep 2 | May 27 | Estimated |
| Dieringer School District | 1,439 | Sep 2 | May 27 | Estimated |
| Nine Mile Falls School District | 1,435 | Sep 2 | May 27 | Estimated |
| Kiona-Benton City School District | 1,427 | Aug 12 | Jun 3 | Estimated |
| Granger School District | 1,405 | Sep 2 | May 27 | Estimated |
| Lake Chelan School District | 1,305 | Aug 31 | Jun 16 | Estimated |
| Zillah School District | 1,299 | Aug 3 | May 21 | Estimated |
| Naches Valley School District | 1,294 | Sep 2 | Jun 22 | Estimated |
| Tenino School District | 1,285 | Sep 2 | May 27 | Estimated |
| Cascade School District | 1,252 | Aug 10 | May 27 | Estimated |
| South Whidbey School District | 1,173 | Sep 2 | May 27 | Estimated |
| Port Townsend School District | 1,170 | Aug 10 | May 27 | Estimated |
| Tonasket School District | 1,155 | Sep 2 | May 27 | Estimated |
| Kalama School District | 1,151 | Aug 24 | Jun 17 | Estimated |
| Kettle Falls School District | 1,128 | Aug 13 | May 19 | Estimated |
| White Salmon Valley School District | 1,101 | Aug 10 | May 27 | Estimated |
| Highland School District | 1,094 | Sep 2 | May 27 | Estimated |
| Newport School District | 1,091 | Aug 24 | Jun 17 | Estimated |
| Okanogan School District | 1,086 | Sep 2 | Jun 22 | Estimated |
| Valley School District | 1,079 | Sep 2 | May 27 | Estimated |
| Mary M Knight School District | 1,045 | Sep 3 | Jun 21 | Estimated |
| Ocean Beach School District | 1,033 | Aug 24 | Jun 17 | Estimated |
| Coupeville School District | 1,031 | Sep 2 | May 27 | Estimated |
| Brewster School District | 1,015 | Sep 2 | May 27 | Estimated |
| Cle Elum-Roslyn School District | 978 | Sep 2 | May 27 | Estimated |
| Warden School District | 936 | Sep 2 | May 27 | Estimated |
| Rainier School District | 931 | Sep 2 | Jun 22 | Estimated |
| Finley School District | 882 | Sep 2 | May 27 | Estimated |
| Freeman School District | 878 | Aug 10 | May 27 | Estimated |
| Mount Adams School District | 875 | Sep 2 | May 27 | Estimated |
| Onalaska School District | 868 | Sep 2 | May 27 | Estimated |
| Winlock School District | 858 | Aug 10 | May 27 | Estimated |
| Toledo School District | 843 | Sep 2 | May 27 | Estimated |
| Chewelah School District | 838 | Sep 2 | Jun 22 | Estimated |
| Napavine School District | 814 | Sep 2 | May 27 | Estimated |
| Stevenson-Carson School District | 800 | Sep 2 | May 27 | Estimated |
| Columbia (Walla Walla) School District | 782 | Aug 26 | May 25 | Estimated |
| San Juan Island School District | 782 | Aug 6 | May 27 | Estimated |
| Bridgeport School District | 776 | Aug 24 | Jun 17 | Estimated |
| Methow Valley School District | 772 | Sep 2 | May 27 | Estimated |
| Mabton School District | 771 | Sep 2 | May 27 | Estimated |
| Pioneer School District | 759 | Sep 2 | May 27 | Estimated |
| Quilcene School District | 726 | Aug 10 | May 27 | Estimated |
| Chimacum School District | 717 | Aug 3 | May 21 | Estimated |
| Orcas Island School District | 701 | Sep 2 | Jun 22 | Estimated |
| Starbuck School District | 697 | Aug 24 | Jun 17 | Estimated |
| Toutle Lake School District | 673 | Sep 2 | May 27 | Estimated |
| Davenport School District | 652 | Aug 24 | Jun 17 | Estimated |
| Adna School District | 636 | Sep 2 | May 27 | Estimated |
| South Bend School District | 622 | Sep 2 | May 27 | Estimated |
| Manson School District | 615 | Sep 2 | May 27 | Estimated |
| Liberty School District | 593 | Aug 4 | May 21 | Estimated |
| Mossyrock School District | 590 | Aug 24 | Jun 17 | Estimated |
| Ocosta School District | 582 | Sep 2 | May 27 | Estimated |
| Griffin School District | 577 | Aug 10 | May 27 | Estimated |
| Kittitas School District | 571 | Aug 27 | Jun 16 | Estimated |
| Union Gap School District | 570 | Aug 26 | May 27 | Estimated |
| Colfax School District | 562 | Sep 2 | May 27 | Estimated |
| Soap Lake School District | 555 | Aug 31 | Jun 16 | Estimated |
| Mary Walker School District | 531 | Aug 25 | Jun 9 | Estimated |
| Concrete School District | 528 | Aug 24 | Jun 17 | Estimated |
| Oroville School District | 508 | Sep 2 | May 27 | Estimated |
| Raymond School District | 506 | Sep 2 | Jun 22 | Estimated |
| Cape Flattery School District | 493 | Sep 2 | Jun 22 | Estimated |
| Darrington School District | 478 | Sep 2 | May 27 | Estimated |
| Morton School District | 459 | Aug 24 | Jun 17 | Estimated |
| Conway School District | 442 | Sep 2 | May 27 | Estimated |
| Wahkiakum School District | 431 | Sep 2 | May 27 | Estimated |
| Ritzville School District | 406 | Sep 2 | May 27 | Estimated |
| Republic School District | 378 | Aug 24 | Jun 17 | Estimated |
| White Pass School District | 372 | Sep 2 | May 27 | Estimated |
| Crescent School District | 359 | Sep 2 | Jun 22 | Estimated |
| Dayton School District | 352 | Sep 2 | May 27 | Estimated |
| Pomeroy School District | 351 | Aug 24 | Jun 17 | Estimated |
| Oakville School District | 341 | Sep 2 | May 27 | Estimated |
| Boistfort School District | 341 | Aug 24 | Jun 17 | Estimated |
| Entiat School District | 337 | Aug 10 | May 27 | Estimated |
| Hood Canal School District | 334 | Aug 24 | Jun 17 | Estimated |
| Waitsburg School District | 300 | Sep 2 | May 27 | Estimated |
| Pe Ell School District | 279 | Sep 2 | May 27 | Estimated |
| Selkirk School District | 263 | Aug 24 | Jun 17 | Estimated |
| Prescott School District | 261 | Sep 2 | May 27 | Estimated |
| Thorp School District | 259 | Sep 2 | May 27 | Estimated |
| Grapeview School District | 241 | Sep 2 | May 27 | Estimated |
| Curlew School District | 238 | Sep 2 | May 27 | Estimated |
| Odessa School District | 236 | Aug 24 | Jun 17 | Estimated |
| Waterville School District | 232 | Aug 10 | May 27 | Estimated |
| Pateros School District | 230 | Sep 2 | May 27 | Estimated |
| Lopez School District | 228 | Aug 24 | Jun 17 | Estimated |
| Lake Quinault School District | 223 | Aug 31 | Jun 16 | Estimated |
| Touchet School District | 222 | Aug 10 | May 27 | Estimated |
| Loon Lake School District | 221 | Aug 31 | Jun 16 | Estimated |
| Lind School District | 219 | Aug 24 | Jun 17 | Estimated |
| Wilbur School District | 217 | Aug 10 | May 27 | Estimated |
| Lyle School District | 212 | Aug 3 | May 21 | Estimated |
| Southside School District | 211 | Aug 24 | Jun 17 | Estimated |
| Trout Lake School District | 208 | Sep 3 | Jun 16 | Estimated |
| Tekoa School District | 201 | Sep 2 | Jun 22 | Estimated |
| Inchelium School District | 191 | Sep 2 | May 27 | Estimated |
| Northport School District | 187 | Sep 2 | May 27 | Estimated |
| Taholah School District | 181 | Aug 10 | May 27 | Estimated |
| Wishkah Valley School District | 181 | Aug 10 | May 27 | Estimated |
| Palouse School District | 178 | Sep 2 | May 27 | Estimated |
| Green Mountain School District | 176 | Aug 10 | May 27 | Estimated |
| Rosalia School District | 173 | Sep 2 | Jun 22 | Estimated |
| Cosmopolis School District | 167 | Aug 24 | Jun 17 | Estimated |
| Colton School District | 155 | Aug 10 | May 27 | Estimated |
| Oakesdale School District | 147 | Aug 24 | Jun 17 | Estimated |
| Nespelem School District #14 | 134 | Aug 10 | May 27 | Estimated |
| Almira School District | 133 | Sep 2 | May 27 | Estimated |
| Orondo School District | 131 | Aug 24 | Jun 17 | Estimated |
| Garfield School District | 121 | Sep 2 | May 27 | Estimated |
| Wilson Creek School District | 117 | Sep 2 | May 27 | Estimated |
| Columbia (Stevens) School District | 115 | Aug 10 | May 27 | Estimated |
| Bickleton School District | 106 | Aug 10 | May 27 | Estimated |
| Klickitat School District | 103 | Sep 2 | May 27 | Estimated |
| Mansfield School District | 103 | Aug 24 | Jun 17 | Estimated |
| Creston School District | 99 | Aug 12 | Jun 3 | Estimated |
| Sprague School District | 74 | | | Estimated |
| Brinnon School District | 74 | Aug 10 | May 27 | Estimated |
| Orchard Prairie School District | 74 | | | Estimated |
| Mount Pleasant School District | 65 | | | Estimated |
| Glenwood School District | 64 | Aug 20 | Jun 3 | Estimated |
| North River School District | 61 | | | Estimated |
| Evaline School District | 58 | Aug 10 | May 27 | Estimated |
| Satsop School District | 52 | Sep 8 | Jun 9 | Estimated |
| Kahlotus School District | 48 | Aug 24 | Jun 17 | Estimated |
| Onion Creek School District | 44 | | | Estimated |
| Damman School District | 44 | Aug 24 | Jun 17 | Estimated |
| Steptoe School District | 44 | Aug 10 | May 27 | Estimated |
| Queets-Clearwater School District | 40 | Aug 10 | May 27 | Estimated |
| Great Northern School District | 40 | Aug 10 | May 27 | Estimated |
| Skykomish School District | 40 | Aug 27 | Jun 16 | Estimated |
| Orient School District | 34 | | | Estimated |
| Evergreen School District (Stevens) | 30 | | | Estimated |
| Keller School District | 30 | Sep 2 | Jun 22 | Estimated |
| Lamont School District | 27 | Aug 10 | May 27 | Estimated |
| Palisades School District | 26 | | | Estimated |
| Roosevelt School District | 25 | | | Estimated |
| Index School District | 23 | Aug 27 | Jun 16 | Estimated |
| Dixie School District | 16 | | | Estimated |
| Benge School District | 11 | Sep 2 | Jun 22 | Estimated |
| Shaw Island School District | 10 | | | Estimated |
| Stehekin School District | 10 | Aug 10 | May 27 | Estimated |
| Office of the Governor (Sch for Blind) | 0 | | | Estimated |
| Community Colleges of Spokane | 0 | | | Estimated |
| Star School District No. 054 | 0 | Aug 24 | Jun 17 | Estimated |