Sedusa Dance Studio

Serenity Studio Skin & Body

Shri Krupa Dance Company

Sierra Strength

Silicon Valley Athletics

Silicon Valley Dance Club

Silicon Valley Judo

Soltoianu Tennis School

Soul Kickboxing

Soul Pilates

Spartan Recreation

Sports Basement

Sports Medicine Institute (SMI)

Spring Training

Stadium Tech Fitness Center

Stage Presence - Campbell

Stanford Kappa Alpha Theta

Stanford Recreation & Wellness

Stanford Recreation & Wellness Group Fitness

Starlite Ballroom

Stick Mobility

Stratford Schools

Stretching Club

Stronger Bodies Fitness