| Sagon,
Chelsey - Kapolei, HI |
| Sala,
Nicole - Gig Harbor, WA |
| Salinas-Cruz,
Camila - Grants Pass, OR |
| Salman,
Catherine - Seattle, WA |
| Saludares,
Weinfree - Lucban, PHILIPPINES |
| Samuelson,
Kalais - Beaverton, OR |
| Sanchez,
Erica - Algonquin, IL |
| Sanders,
Jenna - Port Angeles, WA |
| Sandoval,
Jessica - Yakima, WA |
| Sano,
Yoshiko - Seattle, WA |
| Santiago-Benitez,
Linsey - Seattle, WA |
| Santos Alvarado,
Dalia - Fairview, OR |
| Santucci,
Lydia - Bend, OR |
| Sasaki,
Ryo - Kumamoto, JAPAN |
| Savell,
Jonathan - Lynnwood, WA |
| Schaaf,
Klara - Arlington, VA |
| Schmidt,
Taylor - Port Orchard, WA |
| Schubert,
Evan - Bothell, WA |
| Schultz,
Samantha - Kirkland, WA |
| Schumer,
Malia - Seattle, WA |
| Scott,
Alissa - Sammamish, WA |
| Sebastian,
Nicole - Honolulu, HI |
| Sednef,
Sofia - Kent, WA |
| Sergeeva,
Elizaveta - Black Diamond, WA |
| Sergeyeva,
Ekaterina - Black Diamond, WA |
| Sessions,
Ella - Spokane, WA |
| Setala,
Anna - Lynnwood, WA |
| Sevigny,
Olivia - Yakima, WA |
| Sgambelluri,
Te'i - Yigo, GU |
| Shakhpaz,
Yusuf - Kent, WA |
| Shakil,
Esal - Bellevue, WA |
| Sheeres,
Jessica - Outlook, WA |
| Sheirbon,
Benjamin - Wilsonville, OR |
| Shepherd,
Julius - Fairfield, CA |
| Sheveland,
Sean - Canby, OR |
| Shewmaker,
Natalie - Covington, WA |
| Shipman,
Dominique - Ocean Shores, WA |
| Shirey,
Makenzie - Boise, ID |
| Shuckhart,
Zoe - University Place, WA |
| Sia,
Jasmine - Lake Tapps, WA |
| Sides,
Megan - Beaverton, OR |
| Sidhu,
Bhavreen - Shoreline, WA |
| Sievert,
Cole - Colorado Spgs, CO |
| Sim,
Hongbo - Chicago, IL |
| Simonton,
Lucas - Dallas, TX |
| Singer,
Mei - Kent, WA |
| Singh,
Galib - North Bend, WA |
| Singh,
Jujhar - Des Moines, WA |
| Skipper,
Jorie - Keizer, OR |
| Skipworth,
Kyra - Olympia, WA |
| Sleeper,
Kyle - Honolulu, HI |
| Smit,
Deanna - Everett, WA |
| Smith,
Alexandra - Bellevue, WA |
| Smith,
Breanna - Ellensburg, WA |
| Smith,
Charisma - Fife, WA |
| Smith,
Erin - Carlsbad, CA |
| Smith,
Ethan - Eagle, ID |
| Smith,
Isabel - Tanjong Bungah, MALAY |
| Smith,
Matthew - Stanwood, WA |
| Smith,
Owen - Everett, WA |
| Snedeker,
Lauren - Washougal, WA |
| Soa,
Sophia - Waimanalo, HI |
| Soltani,
Sam - Seattle, WA |
| Sommer,
Austin - Tukwila, WA |
| Sonia,
Delilah - Seattle, WA |
| Spano,
Melinda - Long Beach, CA |
| Speer,
Tyler - Grand Junction, CO |
| Spencer,
Katherine - Beaverton, OR |
| Spickelmier,
Matthew - Plymouth, MN |
| Spilker,
Shaely - Burlington, WA |
| Splattstoesser,
Madeleine - Richland, WA |
| Starkey,
Zachary - Spokane, WA |
| Stefanik,
Lilah - Everett, WA |
| Stehle,
Elizabeth - Portland, OR |
| Stephens,
Madison - Tacoma, WA |
| Stevenson,
Emma - Durham, NC |
| Stewart,
Hannah - Seattle, WA |
| Stewart,
Nicole - Seattle, WA |
| Stinson,
Emily - Salem, OR |
| Strong,
Cara - Yakima, WA |
| Stull,
Nathan - Puyallup, WA |
| Sudberry,
Eve - Mill Creek, WA |
| Sukin,
Annabelle - Gresham, OR |
| Sutanto,
Pauline - Jakarta, INDON |
| Swearingen,
Jane - Portland, OR |
| Swenson,
Mackenzie - Everett, WA |
| Sy,
David - Seattle, WA |
| Sze,
Maui - Seattle, WA |