| Kainu,
Sadie - Brush Prairie, WA |
| Kaldor,
Nathaniel - Everett, WA |
| Karaica,
Davis - Issaquah, WA |
| Karaica,
Laura - Kirkland, WA |
| Karli,
Samantha - Seattle, WA |
| Karlstad,
Ashley - Seattle, WA |
| Karp,
Mallory - Anchorage, AK |
| Katzberg,
Rachel - Puyallup, WA |
| Kauffman,
Jillian - Fort Collins, CO |
| Kaufman,
Josef - Glendale, CA |
| Kaufman,
Nicole - Snohomish, WA |
| Kay,
Kevin - Seattle, WA |
| Kaylor,
Makena - Foothill Ranch, CA |
| Kealoha-Lindsey,
Kaeo-Puuwai - Seattle, WA |
| Keener,
Kylie - Lake Tapps, WA |
| Kegley,
Meredith - Seattle, WA |
| Kehret,
Tyler - Keizer, OR |
| Kelley,
Sarah - Camas, WA |
| Kellum,
Gabriel - Lynnwood, WA |
| Kelly,
Brett - Mill Creek, WA |
| Kelly,
Jacob - Bonney Lake, WA |
| Kelm,
Lauren - Calgary, AB |
| Kennedy,
Alyse - Mount Vernon, WA |
| Kent,
Emily - Seattle, WA |
| Kenyon,
Reyn - Napa, CA |
| Kesselring,
Dylan - Issaquah, WA |
| Keza,
Esther - West Branch, IA |
| Kidd,
Jeremy - |
| Kidd,
Kabrina - Pacific, WA |
| Kim,
Grace - Seattle, WA |
| Kim,
Hwanhee - Seattle, WA |
| Kim,
Jo Eun - Pleasanton, CA |
| Kim,
Jonghyuk - Kent, WA |
| Kim,
Rachel - Sammamish, WA |
| Kim,
Yuna - Edmonds, WA |
| Kimminau,
Erin - Alexandria, VA |
| Kincade,
Emma - Eugene, OR |
| King,
Kelilah - Seattle, WA |
| Kingma,
Elizabeth - Bellevue, WA |
| Kiss,
Jerred - Sammamish, WA |
| Kiteley,
Courtney - Renton, WA |
| Klein,
Kara - Burbank, CA |
| Knodel,
Elizabeth - Flagstaff, AZ |
| Knopp,
Eleanor - Canby, OR |
| Knudsen,
Cheryl - Seattle, WA |
| Knudtson,
Jon - Lynnwood, WA |
| Knuteson,
Tempiellen - Indianapolis, IN |
| Koch,
Garrett - Grass Valley, CA |
| Kollars,
Jordan - Bremerton, WA |
| Koseda,
Kaitlin - Kealakekua, HI |
| Kourtev,
George - Seattle, WA |
| Kovalchuk,
Sergey - Lynnwood, WA |
| Kramer,
Kylee - Glendora, CA |
| Kramer,
Mara - Gig Harbor, WA |
| Krauss,
Madeline - Lake Oswego, OR |
| Krodel,
Jacob - Shoreline, WA |
| Kroontje,
Carson - Lynden, WA |
| Krueger,
Katarina - Seattle, WA |
| Krumpl,
Lukas - Vienna, AUSTR |
| Kruzhkov,
Virginia - Vancouver, WA |
| Kua,
Riley - Olympia, WA |
| Kuang,
Zhanhong - Seattle, WA |
| Kuehl,
Sophie - Vancouver, WA |
| Kushan,
Stephanie - Mill Creek, WA |
| Kuyan,
Mariya - Edgewood, WA |
| Ky,
Sally - Honolulu, HI |