| Safari,
Darius - Vancouver, WA |
| Sager,
Ethan - Star, ID |
| Sagon,
Chelsey - Kapolei, HI |
| Sakai,
Jessica - Honolulu, HI |
| Sala,
Nicole - Gig Harbor, WA |
| Saldivar,
Mario - Valencia, CA |
| Salima,
Grace - Anchorage, AK |
| Samson,
Matthew - Seattle, WA |
| Samuelson,
Kalais - Beaverton, OR |
| Sanchez,
Daicy - Manson, WA |
| Sanchez,
Ivan - Damascus, OR |
| Sanders,
Annalise - Snohomish, WA |
| Sangal,
Vanshika - Redmond, WA |
| Santana-Suarez,
Christopher - Federal Way, WA |
| Santucci,
Lydia - Bend, OR |
| Sarquilla,
Lance - Seattle, WA |
| Savage,
Ellie - Seattle, WA |
| Saxton,
Sophie - Evergreen, CO |
| Schaeffer,
Lynessa - Kent, WA |
| Schafte,
Jacob - Everett, WA |
| Scherrer,
Alden - Seattle, WA |
| Schirm,
Serena - West Linn, OR |
| Schmick,
Hannah - Auburn, WA |
| Schnider,
Caitlyn - Portland, OR |
| Schroeder,
Amanda - Aurora, OR |
| Schrup,
Madeline - Sumner, WA |
| Schultz,
Brayden - Kenmore, WA |
| Schultz,
Samantha - Kirkland, WA |
| Schuster,
Brittany - Langley, WA |
| Sednef,
Sofia - Kent, WA |
| Seen,
Yamisha - Kent, WA |
| Seibert,
Megan - Bothell, WA |
| Serven,
Anna - Oklahoma City, OK |
| Severson,
Kathryn - Lynnwood, WA |
| Shah,
Khusbu - Bothell, WA |
| Shakil,
Esal - Bellevue, WA |
| Sheeres,
Alyssa - Crown Point, IN |
| Sheeres,
Jessica - Outlook, WA |
| Sherpa,
Lhakpa - , |
| Sheveland,
Sean - Canby, OR |
| Shewmaker,
Natalie - Covington, WA |
| Shin,
Christopher - Federal Way, WA |
| Shin,
Paul - Anchorage, AK |
| Shipman,
Dominique - Ocean Shores, WA |
| Shmatok,
Oleksandra - Bonney Lake, WA |
| Short,
Kristen - Seattle, WA |
| Shuckhart,
Zoe - University Place, WA |
| Silva,
Marisa - Seattle, WA |
| Sio,
Caitlin - Orting, WA |
| Skinner,
Sophia - Murrieta, CA |
| Skipper,
Jorie - Keizer, OR |
| Smith,
Alexandra - Bellevue, WA |
| Smith,
Charisma - Fife, WA |
| Smith,
Eirene - Austin, TX |
| Smith,
Erin - Carlsbad, CA |
| Smith,
Isabel - Tanjong Bungah, MALAY |
| Smith,
Owen - Everett, WA |
| Snellenberg-Fraser,
Carlos - Seattle, WA |
| Snellenberg-Fraser,
Michael - Mercer Island, WA |
| Soares Silveira,
Marcela - Santana do Livramento, BRAZI |
| Soto,
Kalea - Walla Walla, WA |
| Sparkmon,
Sarah - Bonney Lake, WA |
| Speck,
Heidi - Santa Barbara, CA |
| Speer,
Tyler - Grand Junction, CO |
| Spencer,
Katherine - Beaverton, OR |
| Spilker,
Shaely - Burlington, WA |
| Spivey,
Shelbi - Woodway, TX |
| St John,
Isabel - Vancouver, WA |
| Sta Maria,
Gabriel Jero - Renton, WA |
| Stafford,
Suzanne - Oregon City, OR |
| Stegemoller,
Gabrielle - West Linn, OR |
| Stehr,
Faith - Sutherlin, OR |
| Stepper,
Julia - Ariel, WA |
| Stewart,
Hannah - Seattle, WA |
| Stez,
Andrew - Murrieta, CA |
| Stice,
Melodie - Newark, CA |
| Stinson,
Emily - Salem, OR |
| Stipe,
Michelle - Kirkland, WA |
| Stokoe,
Deanna - Federal Way, WA |
| Stoltzfus,
Caitlyn - Tucson, AZ |
| Stover,
William - Puyallup, WA |
| Strachan,
Timothy - Bainbridge Island, WA |
| Strawn,
Keaton - Pasadena, CA |
| Stricko,
Lindsay - Carlsbad, CA |
| Strong,
Cara - Yakima, WA |
| Struiksma,
Sofia - Artesia, CA |
| Styborski,
Pamela - Spokane, WA |
| Styer,
Lauren - Bellevue, WA |
| Sudberry,
Eve - Mill Creek, WA |
| Suen,
Keane - Woodinville, WA |
| Sugai,
Cody - Honolulu, HI |
| Sugino,
Katelyn - Raleigh, NC |
| Sukin,
Annabelle - Gresham, OR |
| Surratt,
Kiora - Federal Way, WA |
| Sutherland,
Marlia - Auburn, WA |
| Swallow,
Travis - Coeur D Alene, ID |
| Swan,
Elissa - Seattle, WA |
| Swayze,
Samantha - Gig Harbor, WA |
| Swearingen,
Aaron - Monroe, WA |
| Swearingen,
Karly - Vernal, UT |
| Sydenstricker,
Patricia - Port Orchard, WA |