| Kahikina Allianic-Ogilvie,
Tara - Mill Creek, WA |
| Kainu,
Sadie - Brush Prairie, WA |
| Kaldor,
Nathaniel - Everett, WA |
| Karaica,
Davis - Issaquah, WA |
| Karaica,
Laura - Kirkland, WA |
| Karlewicz,
Harrison - Seattle, WA |
| Karli,
Samantha - Seattle, WA |
| Karlstad,
Ashley - Seattle, WA |
| Karp,
Mallory - Anchorage, AK |
| Kato,
Stefanie - Bellevue, WA |
| Kaufman,
Josef - Glendale, CA |
| Kauth,
Alyssa - Portland, OR |
| Kay,
Kevin - Seattle, WA |
| Kayahara,
Kevin - Bellevue, WA |
| Kaylor,
Makena - Foothill Ranch, CA |
| Kealoha-Lindsey,
Kaeo-Puuwai - Seattle, WA |
| Kegley,
Meredith - Seattle, WA |
| Kehret,
Tyler - Keizer, OR |
| Keidel,
Joshua - Newberg, OR |
| Keithley,
Amanda - Snohomish, WA |
| Keller,
Angela - Seattle, WA |
| Kellogg,
Christina - Seattle, WA |
| Kellum,
Gabriel - Lynnwood, WA |
| Kelly,
Jacob - Bonney Lake, WA |
| Kelm,
Lauren - Calgary, AB |
| Kennedy,
Allison - Seattle, WA |
| Kenny,
Amanda - Seattle, WA |
| Kent,
Emily - Seattle, WA |
| Kenyon,
Reyn - Napa, CA |
| Keogh,
Kelsey - Bothell, WA |
| Kern,
Madeleine - Newberg, OR |
| Kesl,
Amy - Sammamish, WA |
| Kidd,
Claire - Seattle, WA |
| Kidd,
Jeremy - |
| Kidd,
Kabrina - Pacific, WA |
| Killam,
Jonathan - St Charles, IL |
| Kilpatrick,
Annie - Seattle, WA |
| Kilpatrick,
Cody - Spokane, WA |
| Kim,
Gabrielle - Federal Way, WA |
| Kim,
Grace - Seattle, WA |
| Kim,
Hwanhee - Seattle, WA |
| Kim,
Monica - Edmonds, WA |
| Kim,
Rachel - Sammamish, WA |
| Kim,
Yoseph - Lynchburg, VA |
| Kimminau,
Erin - Alexandria, VA |
| King,
Connor - Santa Barbara, CA |
| Kingma,
Elizabeth - Bellevue, WA |
| Kisamore,
Brindi - Kalama, WA |
| Kiss,
Jerred - Sammamish, WA |
| Kleinman,
Hunter - Seattle, WA |
| Knopp,
Eleanor - Canby, OR |
| Knudtson,
Jon - Lynnwood, WA |
| Knuteson,
Tempiellen - Indianapolis, IN |
| Koch,
Garrett - Grass Valley, CA |
| Kolenski,
Matthew - Vancouver, WA |
| Kollars,
Jordan - Bremerton, WA |
| Konigsfeld,
Caleb - North Plains, OR |
| Kramer,
Caroline - Salem, OR |
| Kramer,
Mara - Gig Harbor, WA |
| Krasen,
Natasha - Prineville, OR |
| Krauss,
Madeline - Lake Oswego, OR |
| Krodel,
Jacob - Shoreline, WA |
| Kroontje,
Carson - Lynden, WA |
| Krueger,
Katarina - Seattle, WA |
| Krumm,
Lauren - Seattle, WA |
| Kruzhkov,
Virginia - Vancouver, WA |
| Kua,
Riley - Olympia, WA |
| Kuhn,
Rebecca - Star, ID |
| Kukhotskiy,
Roman - Everett, WA |
| Kuo,
Iris - San Bruno, CA |
| Kupanoff,
Dimitri - Naches, WA |
| Kushan,
Jordan - Auburn, WA |
| Kushan,
Stephanie - Mill Creek, WA |
| Kusumastuti,
Ida - Bellevue, WA |
| Kuyan,
Mariya - Edgewood, WA |
| Kwon,
Jonathan - Bothell, WA |