| Cable,
Allison - Danville, CA |
| Cagley,
Joseph - Anchorage, AK |
| Calder,
Emily - Poulsbo, WA |
| Callahan,
Devin - Seattle, WA |
| Calton,
Jacob - Granite Bay, CA |
| Campbell,
Erinn - San Clemente, CA |
| Campbell,
Jordan - Seattle, WA |
| Campbell,
Melanie - Ventura, CA |
| Campos,
Seth - Redmond, WA |
| Canny,
Nathaniel - Fort Collins, CO |
| Cantero-Valente,
Julieta - Wenatchee, WA |
| Cao,
Yingjie - Escondido, CA |
| Carey,
Imani - , |
| Carlson,
Ashley - Duvall, WA |
| Carlson,
Caitlin - Monument, CO |
| Carpenter,
Blake - Sammamish, WA |
| Carpenter,
Savannah - Monument, CO |
| Carr,
Camille - Edmonds, WA |
| Carroll,
Sophie - Bremerton, WA |
| Cary,
Amber - Brier, WA |
| Castleman,
Elia - Kalispell, MT |
| Cavell,
Harrison - Keizer, OR |
| Cayetano,
Asia - , |
| Cayetano,
Jess - Meridian, ID |
| Chacko,
Sophia-Ann - San Jose, CA |
| Chalfant,
Megan - Roseville, CA |
| Chan,
Hoi Yan Helen - Richmond, BC |
| Chapman,
Isabel - Sacramento, CA |
| Charleson,
Mary - Mill Creek, WA |
| Cheesman,
Andrew - Hilmar, CA |
| Chempakasseril,
Santosh - Mountlake Terrace, WA |
| Chen,
Caroline - Arcadia, CA |
| Chen,
Henvey - Bellevue, WA |
| Chen,
Siyu - Seattle, WA |
| Chilczuk,
Sophia - Renton, WA |
| Chin,
Karina - San Francisco, CA |
| Christiansen,
Brianna - Everett, WA |
| Christianson,
Cyrus - Medford, OR |
| Chung,
James - Renton, WA |
| Chung,
Robert - Auburn, WA |
| Claycomb,
Hannah - Elizabeth, CO |
| Clerc,
Tierza - Seattle, WA |
| Clum,
Levi - Port Townsend, WA |
| Coe,
Aaron - Mukilteo, WA |
| Coglas,
Alexa - Lynnwood, WA |
| Cohrs,
Elizabeth - Bothell, WA |
| Cole,
Hannah - Kirkland, WA |
| Coleman,
Molly - Fresno, CA |
| Collins,
Alexis - Tacoma, WA |
| Colosimo,
Gabriel - Sandy, UT |
| Combs,
Aubree - Oro Valley, AZ |
| Comer,
Sara - Buckley, WA |
| Conahan,
Lily - Edmonds, WA |
| Cook,
Peyton - Marysville, WA |
| Cooper,
Madison - Colorado Springs, CO |
| Coppock,
Olivia - Richland, WA |
| Corcoran,
Jonathan - Temecula, CA |
| Cormode,
Donley - Altadena, CA |
| Corneille,
Anneliese - Woodinville, WA |
| Cornell,
Sara - Shoreline, WA |
| Cosgrove,
Audrey - Spokane, WA |
| Costley,
Katie - Stanwood, WA |
| Coughlin,
Abigail - Sunriver, OR |
| Cowden,
Trent - Lake Oswego, OR |
| Cox,
Courtney - Clackamas, OR |
| Cox,
K'Reisa - Bellevue, WA |
| Coyle,
Jeanne - Clancy, MT |
| Crider,
Daniel - San Jose, CA |
| Crooks,
Corey - Belfair, WA |
| Crown,
Kassidy - Gig Harbor, WA |
| Cruz,
Jesselyn - Spanaway, WA |
| Cua,
Marlena - Wailuku, HI |
| Curry,
Megan - Central Point, OR |