| Kalfus,
Grant - Trabuco Canyon, CA |
| Kang,
Sara - South Pasadena, CA |
| Karaica,
Davis - Issaquah, WA |
| Karaica,
Laura - Kirkland, WA |
| Karlstad,
Ashley - Seattle, WA |
| Karp,
Mallory - Anchorage, AK |
| Kauffman,
Jillian - Fort Collins, CO |
| Kaufman,
Nicole - Snohomish, WA |
| Kaulukukui,
Nainoa - Kapaa, HI |
| Kaveney,
Serena - Lincoln, CA |
| Kaylor,
Makena - Foothill Ranch, CA |
| Kealoha-Lindsey,
Kaeo-Puuwai - Seattle, WA |
| Keeffe,
Hailee - Shelton, WA |
| Kegley,
Meredith - Seattle, WA |
| Keller,
Jered - Tacoma, 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 |
| Kiefer,
Sarah - Santa Barbara, CA |
| Kilpatrick,
Cody - Spokane, WA |
| Kim,
Grace - Seattle, WA |
| Kim,
Julie - Honolulu, HI |
| Kim,
Monica - Edmonds, WA |
| Kim,
Yuna - Edmonds, WA |
| Kincade,
Emma - Eugene, OR |
| King,
Brian - Lansing, MI |
| Knodel,
Elizabeth - Flagstaff, AZ |
| Knopp,
Eleanor - Canby, OR |
| Kollars,
Jordan - Bremerton, WA |
| Kopack,
Abigail - Murrieta, CA |
| Kramer,
Kylee - Glendora, CA |
| Kramer,
Mara - Gig Harbor, WA |
| Krauss,
Madeline - Lake Oswego, OR |
| Krofchek,
Olivia - Buckeye, AZ |
| Kroontje,
Carson - Lynden, WA |
| Krumpl,
Lukas - Vienna, AUSTR |
| Kua,
Riley - Olympia, WA |
| Kuang,
Zhanhong - Seattle, WA |
| Kumasaka,
Colby - Seattle, WA |
| Kwon,
Jonathan - Bothell, WA |
| Ky,
Sally - Honolulu, HI |