| Kaber Lewis,
Maryta - Hilmar, CA |
| Kalfus,
Grant - Trabuco Canyon, CA |
| Kang,
Sara - South Pasadena, CA |
| Kano,
Carly - Temple City, CA |
| Karaica,
Laura - Kirkland, WA |
| Karli,
Samantha - Seattle, WA |
| Karlstad,
Ashley - Seattle, WA |
| Kauffman,
Jillian - Fort Collins, CO |
| Kaufman,
Nicole - Snohomish, WA |
| Kaulukukui,
Nainoa - Kapaa, HI |
| Kaur,
Arshdeep - Kent, WA |
| Kaveney,
Serena - Lincoln, CA |
| Kay,
Kevin - Seattle, WA |
| Keeffe,
Hailee - Shelton, WA |
| Keener,
Kylie - Lake Tapps, WA |
| Kegley,
Meredith - Seattle, WA |
| Kehret,
Tyler - Keizer, OR |
| Kellum,
Gabriel - Lynnwood, WA |
| Kelly,
Brett - Mill Creek, WA |
| Kelly,
Jacob - Bonney Lake, WA |
| Kent,
Emily - Seattle, WA |
| Kern,
Tristan - Newberg, OR |
| Kerr,
Helena - Snohomish, WA |
| Keshtkaran,
Sana - Seattle, WA |
| Kesselring,
Dylan - Issaquah, WA |
| Kharitonova,
Anastasia - Federal Way, WA |
| Kidd,
Jeremy - |
| Kidd,
Kabrina - Pacific, WA |
| Kilpatrick,
Annie - Seattle, WA |
| Kim,
Byron - Seattle, WA |
| Kim,
Grace - Seattle, WA |
| Kim,
Julie - Honolulu, HI |
| Kim,
YeJu - Mercer Island, WA |
| Kim,
Yuna - Edmonds, WA |
| Kimminau,
Erin - Alexandria, VA |
| Kincade,
Emma - Eugene, OR |
| King,
Brian - Lansing, MI |
| Kispert,
Calvin - Edmonds, WA |
| Klatt,
Leah - Edmonds, WA |
| Klein,
Kara - Burbank, CA |
| Klobas,
Rudy - Gresham, OR |
| Knodel,
Elizabeth - Flagstaff, AZ |
| Knopp,
Eleanor - Canby, OR |
| Knuteson,
Tempiellen - Indianapolis, IN |
| Kolenski,
Matthew - Vancouver, WA |
| Kollars,
Jordan - Bremerton, WA |
| Kosoff,
Brennon - Gig Harbor, WA |
| Kovic,
Marina - Clinton, WA |
| Kramer,
Kylee - Glendora, CA |
| Kramer,
Mara - Gig Harbor, WA |
| Kramlich,
Lindsay - Littleton, CO |
| Krauss,
Madeline - Lake Oswego, OR |
| Kress,
Dustin - Sammamish, WA |
| Krodel,
Jacob - Shoreline, WA |
| Krofchek,
Olivia - Buckeye, AZ |
| Kroontje,
Carson - Lynden, WA |
| Krueger,
Alexis - Bainbridge Island, WA |
| Krumm,
Kora - Redmond, WA |
| Krumpl,
Lukas - Vienna, AUSTR |
| Kua,
Riley - Olympia, WA |
| Kuang,
Zhanhong - Seattle, WA |
| Kuehl,
Sophie - Vancouver, WA |
| Kuhn,
Rebecca - Bothell, WA |
| Kumasaka,
Colby - Seattle, WA |
| Kuramoto,
Joshua - Battle Ground, WA |
| Kushan,
Stephanie - Mill Creek, WA |
| Kwon,
Jonathan - Bothell, WA |
| Ky,
Sally - Honolulu, HI |