| Kahusi,
Kiana - Medford, OR |
| Kalb,
Erin - Maple Valley, WA |
| Kalinski,
Kabenzie - McKenna, WA |
| Kamienski,
Violet - Park Ridge, IL |
| Kamps,
Kacey - Ripon, CA |
| Kanaiaupuni,
Makana - Kapolei, HI |
| Kanakomo,
Mariam - Everett, WA |
| Kanemitsu,
Melanny - Mill Valley, CA |
| Kao,
Kenneth - Bellevue, WA |
| Kasperbauer,
Emilie - Bothell, WA |
| Kasue,
Emily - Riverton, UT |
| Kaufman,
Krystal - Ridgefield, WA |
| Kaufman,
Mira - Maple Valley, WA |
| Kavanaugh,
Sandra - Orange, CA |
| Kawano,
Kysha - Kaunakakai, HI |
| Kayahara,
Travis - Bellevue, WA |
| Kearns,
Rachel - Everett, WA |
| Kehret,
Parker - Keizer, OR |
| Keilwitz,
Teo - Coupeville, WA |
| Keller,
Lincoln - Lynnwood, WA |
| Kelley,
Mariah - Salem, OR |
| Kelly,
Cecilia - Newman Lake, WA |
| Kelly,
Grace - Cashmere, WA |
| Kelly,
Rylan - Gig Harbor, WA |
| Kendall,
Melissa - Olympia, WA |
| Khan,
Sharif - , |
| Khatri,
Karuna - Arlington, WA |
| Kibbe,
Alex - Selah, WA |
| Kida,
Dhyana - Erie, CO |
| Kim,
Katherine - Bellevue, WA |
| Kim,
Lois - La Crescenta, CA |
| Kim,
Naomi - Spokane, WA |
| Kim,
Urim - Chengdu, CHINA |
| Kinder,
Kayleigh - Bothell, WA |
| King,
Lucinda - Silverdale, WA |
| Kirschner,
Katherine - North Bend, WA |
| Kiyanitsa,
Sophia - Port Orchard, WA |
| Kleinknecht,
Abigail - Sammamish, WA |
| Knapp,
Madeline - Sandy, OR |
| Knepler,
Rylan - Eugene, OR |
| Knepper,
Renee - Hillsboro, OR |
| Knipp,
Natasha - Kent, WA |
| Knudsen,
Jacob - South Hamilton, MA |
| Kolde,
Grant - Wenatchee, WA |
| Kongsomboot,
Apitsara - Mountlake Ter, WA |
| Kostyukevich,
Eduard - Kent, WA |
| Kotansky,
Steven - Gig Harbor, WA |
| Kott,
Jill - Mercer Island, WA |
| Koval,
Natasha - Burson, CA |
| Kovalenko,
Oleg - Palatine, IL |
| Kovilam,
Anuradha - Bothell, WA |
| Kramarevsky,
Ilya - Tacoma, WA |
| Kramer-Marion,
Genevieve - Lakewood, CO |
| Krause,
Cecilia - Glastonbury, CT |
| Krkic,
Zahida - Bellevue, WA |
| Kroening,
Karsten - Chaska, MN |
| Krot,
Lyudmila - Everett, WA |
| Krupka,
Megan - Seattle, WA |
| Kubissa,
Shaina - Seattle, WA |
| Kudenchuk,
Elizabeth - Normandy Park, WA |
| Kukhotskiy,
Timofey - Everett, WA |
| Kull,
Jessica - Simsbury, CT |
| Kurtz-Shaw,
Mathea - Greenville, IL |
| Kushima,
Amanda - Ewa Beach, HI |
| Kwok,
Kate - Lynnwood, WA |