- San Diego Zoo Kids
- Scholastic: Dav Pilkey @ Home
- Search Encrypt – Encrypted search engine.
- The Seattle Times
- SeniorCare.com – Assisted Living Costs.
- Small Business Association – An electronic gateway of procurement information for and about small businesses.
- Smithsonian Virtual Tours – The Smithsonian, National Museum of Natural History virtual tours allow visitors to take self-guided, room-by-room tours of select exhibits and areas within the museum from their desktop or mobile device. Visitors can also access select collections and research areas at our satellite support and research stations as well as past exhibits no longer on display.
- Social Security Administration
- Spokane Community College
- Spokane Falls Community College
- The Spokesman-Review
- StartPage – Private search engine.
- State Of Idaho – Idaho State House and Senate, district lookup, information on current legislation.
- STEM Game
- Storyline Online
- Studio JJK (Jarrett J Krosoczka)
- Swisscows – Data-secure Google search engine alternative.