| Kalb,
Erin - Maple Valley, WA |
| Kalfus,
Grant - Trabuco Canyon, CA |
| Kano,
Carly - Temple City, CA |
| Kassa,
Bereket - Shoreline, WA |
| Katzberg,
Rachel - Puyallup, WA |
| Kaveney,
Serena - Lincoln, CA |
| Kawano,
Kysha - Kaunakakai, HI |
| Kay,
Kevin - Seattle, WA |
| Keeffe,
Hailee - Shelton, WA |
| Keener,
Kylie - Lake Tapps, WA |
| Kegley,
Meredith - Seattle, WA |
| Kehret,
Allie - Keizer, OR |
| Kellum,
Gabriel - Lynnwood, WA |
| Kelly,
Jacob - Bonney Lake, WA |
| Kelly,
Kathryn - Scottsdale, AZ |
| Kennedy,
Alyse - Mount Vernon, WA |
| Kenoski,
Christina - Vancouver, WA |
| Kern,
Sophie - Littleton, CO |
| Kerr,
Helena - Snohomish, WA |
| Kesselring,
Dylan - Issaquah, WA |
| Kettel,
Hailey - Edmonds, WA |
| Khan,
Sharif - , |
| Kharitonova,
Anastasia - Federal Way, WA |
| Kibbe,
Alex - Selah, WA |
| Kidd,
Kabrina - Pacific, WA |
| Kiefer,
Sarah - Santa Barbara, CA |
| Kilpatrick,
Cody - Spokane, WA |
| Kim,
Jonghyuk - Kent, WA |
| Kim,
Lois - La Crescenta, CA |
| Kim,
Naomi - Spokane, WA |
| Kim,
Sarah - Aurora, CO |
| Kim,
YeJu - Mercer Island, WA |
| King,
Greer - Lake Stevens, WA |
| King,
Kelilah - Seattle, WA |
| Kinimaka,
Noa - Seattle, WA |
| Kirch,
Joshua - Lynnwood, WA |
| Kligerman,
Autumn - Amesbury, MA |
| Knipp,
Natasha - Kent, WA |
| Knodel,
Elizabeth - Flagstaff, AZ |
| Knudsen,
Jacob - South Hamilton, MA |
| Knuteson,
Tempiellen - Indianapolis, IN |
| Kolendich,
Katherine - Sammamish, WA |
| Kollars,
Jordan - Bremerton, WA |
| Kopack,
Abigail - Murrieta, CA |
| Koseda,
Kaitlin - Kealakekua, HI |
| Koster,
Linda - Duvall, WA |
| Koval,
Yuri - Delta Junction, AK |
| Kramer,
Kylee - Glendora, CA |
| Kramer,
Mara - Gig Harbor, WA |
| Kramlich,
Lindsay - Littleton, CO |
| Krauss,
Madeline - Lake Oswego, OR |
| Krodel,
Jacob - Shoreline, WA |
| Krueger,
Alexis - Bainbridge Island, WA |
| Krumm,
Kora - Redmond, WA |
| Krutikova,
Margaryta - Seattle, WA |
| Kua,
Riley - Olympia, WA |
| Kuang,
Zhanhong - Seattle, WA |
| Kudenchuk,
Elizabeth - Normandy Park, WA |
| Kuramoto,
Joshua - Battle Ground, WA |
| Kushima,
Amanda - Ewa Beach, HI |
| Kutschara,
David - Kent, WA |
| Kweon,
TaeYoun - Portland, OR |