| Cagley,
Joseph - Anchorage, AK |
| Cai,
Scout - Colfax, WA |
| Calder,
Emily - Poulsbo, WA |
| Callison,
Amber - Royal Oaks, CA |
| Calton,
Jacob - Granite Bay, CA |
| Campbell,
Jordan - Seattle, WA |
| Campbell,
Melanie - Ventura, CA |
| Campbell,
Rachael - Olympia, WA |
| Canny,
Nathaniel - Fort Collins, CO |
| Cao,
Yingjie - Escondido, CA |
| Carlson,
Ashley - Duvall, WA |
| Carlson,
Caitlin - Monument, CO |
| Carlson,
Joshua - Vancouver, WA |
| Carpenter,
Blake - Sammamish, WA |
| Carpenter,
Savannah - Monument, CO |
| Carroll,
Sophie - Bremerton, WA |
| Carvallo,
Carla - Sammamish, WA |
| Castle,
Amy - Gig Harbor, WA |
| Castro,
Camilo - Katy, TX |
| Cavell,
Harrison - Keizer, OR |
| Cayetano,
Asia - , |
| Cayetano,
Jess - Meridian, ID |
| Celli,
Kaitlin - Black Diamond, WA |
| Chapman,
Isabel - Sacramento, CA |
| Charleson,
Mary - Mill Creek, WA |
| Cheesman,
Andrew - Hilmar, CA |
| Cherry,
Denae - E Saint Louis, IL |
| Chieng,
Valerie - Arcadia, CA |
| Chilczuk,
Sophia - Renton, WA |
| Chin,
Karina - San Francisco, CA |
| Christensen,
Mary - Solvang, CA |
| Christiansen,
Brianna - Everett, WA |
| Christianson,
Cyrus - Medford, OR |
| Chung,
James - Renton, WA |
| Clark,
Emily - Snohomish, WA |
| Clark,
Zoe - Odessa, WA |
| Claycomb,
Hannah - Elizabeth, CO |
| Cleary,
Destiny - Coupeville, WA |
| Clum,
Levi - Port Townsend, WA |
| Codenys,
Rebekah - Tacoma, WA |
| Coglas,
Alexa - Lynnwood, WA |
| Cohrs,
Elizabeth - Bothell, WA |
| Coleman,
Molly - Fresno, CA |
| Colosimo,
Gabriel - Sandy, UT |
| Combs,
Aubree - Oro Valley, AZ |
| Comer,
Sara - Buckley, WA |
| Conahan,
Lily - Edmonds, WA |
| Conradt,
Christopher - Edmonds, WA |
| Cook,
Peyton - Marysville, WA |
| Cooper,
Madison - Colorado Springs, CO |
| Coppock,
Olivia - Richland, WA |
| 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 |
| Crook,
Benjamin - Davis, CA |
| Croonquist,
Rachel - Tukwila, WA |
| Crown,
Kassidy - Gig Harbor, WA |
| Cua,
Marlena - Wailuku, HI |
| Curry,
Megan - Central Point, OR |