| Cable,
Allison - Danville, CA |
| Cai,
Scout - Colfax, WA |
| Cain,
Jacob - Everett, WA |
| Cain,
Lauren - Wenatchee, WA |
| Callison,
Amber - Royal Oaks, CA |
| Calton,
Jacob - Granite Bay, CA |
| Campbell,
Erinn - San Clemente, CA |
| Campbell,
Melanie - Ventura, CA |
| Campbell,
Taryn - Covington, WA |
| Campos-Sanchez,
Ada Mari - Renton, WA |
| Canny,
Nathaniel - Fort Collins, CO |
| Cao,
Yingjie - Escondido, CA |
| Cardin,
Kenna - Sisters, OR |
| Carey,
Fiona - Sherwood, OR |
| Cariaga,
Althea - Kaunakakai, HI |
| Carlisle,
Ashlyn - Portland, OR |
| Carlson,
Jazmynn - Puyallup, WA |
| Carpenter,
Johren - Sidney, MT |
| Carpenter,
Savannah - Monument, CO |
| Carr,
Camille - Edmonds, WA |
| Carter,
Shiasia - Tacoma, WA |
| Castro,
Camilo - Katy, TX |
| Cavell,
Harrison - Keizer, OR |
| Cedano,
Monique - Tulalip, WA |
| Cederborg,
Carl - Woodland, CA |
| Celli,
Kaitlin - Black Diamond, WA |
| Cenusa,
Hannah - Anacortes, WA |
| Cevallos,
Anny - Seattle, WA |
| Chalfant,
Megan - Roseville, CA |
| Chan,
Hoi Yan Helen - Richmond, BC |
| Chapman,
Isabel - Sacramento, CA |
| Chase,
Delaney - Sherwood, OR |
| Chau,
Theodore - Bellevue, WA |
| Cheesman,
Andrew - Hilmar, CA |
| Chempakasseril,
Santosh - Mountlake Terrace, WA |
| Chen,
Josiah - Seattle, WA |
| Chen,
Kenneth - Hillsborough, CA |
| Chen,
Micah - Seattle, WA |
| Chen,
Siyu - Seattle, WA |
| Chilczuk,
Sophia - Renton, WA |
| Chong,
Jennifer - Edmonds, WA |
| Chong-Gum,
Elijah - Honolulu, HI |
| Christensen,
Mary - Solvang, CA |
| Christiansen,
Brianna - Everett, WA |
| Chung,
James - Renton, WA |
| Chung,
Robert - Auburn, WA |
| Clark,
Emily - Snohomish, WA |
| Clark,
Riley - Tacoma, WA |
| Clark-Hoogstrate,
Tamyra - Shoreline, WA |
| Claycomb,
Hannah - Elizabeth, CO |
| Cleary,
Destiny - Coupeville, WA |
| Cline,
Quinton - Yakima, WA |
| Clum,
Levi - Port Townsend, WA |
| Cobb,
Kellie - Redmond, WA |
| Cockerell,
Gabrialla - Ventura, CA |
| Cockerham,
Jarod - Puyallup, WA |
| Codenys,
Rebekah - Tacoma, WA |
| Coglas,
Alexa - Lynnwood, WA |
| Colosimo,
Gabriel - Sandy, UT |
| Comer,
Sara - Buckley, WA |
| Connolly,
Carmen - Brighton, CO |
| Conradt,
Christopher - Edmonds, WA |
| Converse,
Chloe - Hoquiam, WA |
| Conway,
Claire - Daniel Island, SC |
| Cooney,
Lauryn - Poulsbo, WA |
| Cooper,
Madison - Colorado Springs, CO |
| Coots,
Sydney - Clovis, CA |
| Coppedge,
Lakyn - Las Cruces, NM |
| Coppock,
Olivia - Richland, WA |
| Corneille,
Anneliese - Woodinville, WA |
| Cornell,
Sara - Shoreline, WA |
| Cortez,
Jozette - Kapolei, HI |
| Cosgrove,
Audrey - Spokane, WA |
| Cottingham,
Esme - Seattle, WA |
| Coughlin,
Abigail - Sunriver, OR |
| Cowden,
Trent - Lake Oswego, OR |
| Cox,
K'Reisa - Bellevue, WA |
| Coyle,
Jeanne - Clancy, MT |
| Crawford,
Reeghan - Renton, WA |
| Crider,
Daniel - San Jose, CA |
| Curry,
Megan - Central Point, OR |