| Sagon,
Chelsey - Kapolei, HI |
| Sahukhan,
Malaika - Burnaby, BC |
| Sala,
Nicole - Gig Harbor, WA |
| Salinas-Cruz,
Camila - Grants Pass, OR |
| Salman,
Catherine - Seattle, WA |
| Saludares,
Weinfree - Lucban, PHILIPPINES |
| Sam,
Ngoc Nhi - Ho Chi Minh, VIETNAM |
| Samuelson,
Kalais - Beaverton, OR |
| Sanchez,
Erica - Algonquin, IL |
| Sandahl,
Sophie - Coupeville, WA |
| Sanders,
Jenna - Port Angeles, WA |
| Sandoval,
Alexia - Wenatchee, WA |
| Sano,
Yoshiko - Seattle, WA |
| Santiago-Benitez,
Linsey - Seattle, WA |
| Santos Alvarado,
Dalia - Fairview, OR |
| Sarquilla,
Lance - Seattle, WA |
| Savell,
Jonathan - Lynnwood, WA |
| Schaaf,
Klara - Arlington, VA |
| Schmidt,
Taylor - Port Orchard, WA |
| Schultz,
Samantha - Kirkland, WA |
| Schumer,
Malia - Seattle, WA |
| Scott,
Alissa - Sammamish, WA |
| Sebastian,
Nicole - Honolulu, HI |
| Sednef,
Sofia - Kent, WA |
| Seefeldt,
Chloe - Salem, OR |
| Sergeeva,
Elizaveta - Black Diamond, WA |
| Sergeyeva,
Ekaterina - Black Diamond, WA |
| Setala,
Anna - Lynnwood, WA |
| Shakil,
Esal - Bellevue, WA |
| Shalley,
Quenton - Port Orchard, WA |
| Sheeres,
Jessica - Outlook, WA |
| Sheirbon,
Benjamin - Wilsonville, OR |
| Sheveland,
Sean - Canby, OR |
| Shmatok,
Oleksandra - Bonney Lake, WA |
| Shuckhart,
Zoe - University Place, WA |
| Sia,
Jasmine - Lake Tapps, WA |
| Sides,
Megan - Beaverton, OR |
| Sieber,
Sean - Seattle, WA |
| Singh,
Jujhar - Des Moines, WA |
| Sio,
Caitlin - Orting, WA |
| Skipper,
Jorie - Keizer, OR |
| Skipworth,
Kyra - Olympia, WA |
| Smith,
Alexandra - Bellevue, WA |
| Smith,
Breanna - Ellensburg, WA |
| Smith,
Charisma - Fife, WA |
| Smith,
Ella - Silverdale, WA |
| Smith,
Isabel - Tanjong Bungah, MALAY |
| Smith,
Matthew - Stanwood, WA |
| Smith,
Owen - Everett, WA |
| Smith,
Sienna - Edmonds, WA |
| Soa,
Sophia - Waimanalo, HI |
| Solomon,
Hebron - Seattle, WA |
| Sommer,
Austin - Tukwila, WA |
| Soto,
Kalea - Walla Walla, WA |
| Speakman,
Lily - Denver, CO |
| Spears,
EmilyAnn - Seattle, WA |
| Speer,
Tyler - Grand Junction, CO |
| Spickelmier,
Matthew - Plymouth, MN |
| Spilker,
Shaely - Burlington, WA |
| Stansbury,
Jena - Puyallup, WA |
| Stark,
Madalynn - Centralia, WA |
| Stefanik,
Lilah - Everett, WA |
| Stehle,
Elizabeth - Portland, OR |
| Stephens,
Madison - Tacoma, WA |
| Stevenson,
Emma - Durham, NC |
| Stewart,
Nicole - Seattle, WA |
| Stewart,
Olivia - Mill Creek, WA |
| Stinson,
Emily - Salem, OR |
| Stull,
Nathan - Puyallup, WA |
| Subramanie,
Puran - Corentyne, GUYAN |
| Suh,
Yehan - Bothell, WA |
| Sun,
Michael - Kirkland, WA |
| Sutanto,
Pauline - Jakarta, INDON |
| Swanson,
Drew - Placerville, CA |
| Swearingen,
Jane - Portland, OR |
| Sze,
Maui - Seattle, WA |