| Cable,
Allison - Danville, CA |
| Cagley,
Joseph - Anchorage, AK |
| Cai,
Scout - Colfax, WA |
| Calder,
Emily - Poulsbo, WA |
| Callison,
Amber - Royal Oaks, CA |
| Campbell,
Erinn - San Clemente, CA |
| Campbell,
Melanie - Ventura, CA |
| Campbell,
Rachael - Olympia, WA |
| Camphor,
TaLon - Portland, OR |
| Cardin,
Kenna - Sisters, OR |
| Carlson,
Ashley - Duvall, WA |
| Carlson,
Caitlin - Monument, CO |
| Carlson,
Kathryn - Bellevue, WA |
| Carpenter,
Blake - Sammamish, WA |
| Carpenter,
Savannah - Monument, CO |
| Carr,
Camille - Edmonds, WA |
| Carvallo,
Carla - Sammamish, WA |
| Castle,
Amy - Gig Harbor, WA |
| Cavell,
Harrison - Keizer, OR |
| Cayetano,
Asia - , |
| Cayetano,
Jess - Meridian, ID |
| Cederborg,
Carl - Woodland, CA |
| Cenusa,
Hannah - Anacortes, WA |
| Cevallos,
Anny - ɬÀï·¬, WA |
| Chalfant,
Megan - Roseville, CA |
| Champ-Gibson,
Noelle - Auburn, WA |
| Chan,
Mickey - Turlock, CA |
| Chapman,
Isabel - Sacramento, CA |
| Charles,
Megan - Puyallup, WA |
| Charleson,
Mary - Mill Creek, WA |
| Chau,
Theodore - Bellevue, WA |
| Chempakasseril,
Santosh - Mountlake Terrace, WA |
| Chen,
Josiah - ɬÀï·¬, WA |
| Chen,
Siyu - ɬÀï·¬, WA |
| Cheu,
Christine - Waipahu, HI |
| Chieng,
Valerie - Arcadia, CA |
| Chilczuk,
Sophia - Renton, WA |
| Christiansen,
Brianna - Everett, WA |
| Chung,
James - Renton, WA |
| Chung,
Robert - Auburn, WA |
| Clark,
Emily - Snohomish, WA |
| Clark-Sola,
Angela - Davenport, WA |
| Claycomb,
Hannah - Elizabeth, CO |
| Cleary,
Destiny - Coupeville, WA |
| Clemmer,
Dana - Kent, WA |
| Clerc,
Tierza - ɬÀï·¬, WA |
| Cline,
Quinton - Yakima, WA |
| Clodfelter,
Hannah - Mount Vernon, WA |
| Coglas,
Alexa - Lynnwood, WA |
| Coleman,
Molly - Fresno, CA |
| Colling,
Adam - Issaquah, WA |
| Colosimo,
Gabriel - Sandy, UT |
| Comastro,
Ashlee - Vancouver, WA |
| Combs,
Aubree - Oro Valley, AZ |
| Comer,
Sara - Buckley, WA |
| Comerford,
Ka'dee - Gold Bar, WA |
| Comes,
Kailee - Selah, WA |
| Conahan,
Lily - Edmonds, WA |
| Cook,
Peyton - Marysville, WA |
| Cooney,
Lauryn - Poulsbo, WA |
| Cooper,
Madison - Colorado Springs, CO |
| Corcoran,
Jonathan - Temecula, CA |
| Cormode,
Donley - Altadena, CA |
| Corneille,
Anneliese - Woodinville, WA |
| Cornell,
Sara - Shoreline, WA |
| Cosgrove,
Audrey - Spokane, WA |
| Coughlin,
Abigail - Sunriver, OR |
| Cowden,
Trent - Lake Oswego, OR |
| Cox,
K'Reisa - Bellevue, WA |
| Coyle,
Jeanne - Clancy, MT |
| Crider,
Daniel - San Jose, CA |
| Crown,
Kassidy - Gig Harbor, WA |
| Cua,
Marlena - Wailuku, HI |
| Cubacub,
Julianne - Vancouver, WA |