- Safe ride program, see STRIPES
- Saturday Morning Science
- School of Accountancy
- School of Information Science and Learning Technologies
- School of Journalism, Missouri
- School of Law
- School of Medicine
- School of Music
- School of Natural Resources
- School of Nursing, Sinclair
- School of Social Work
- School of Visual Studies
- School Psychology
- Semester dates
- Service-Learning, Office of
- Show Me 世界杯在哪里买球
- Show-Me State Games
- Sinclair School of Nursing
- Smith Institute of Real Estate and Capital Markets
- Social Work, School of
- Sociology
- Sororities
- SOS Temporary Staffing
- Space Planning and Management
- Spanish, see Romance Languages and Literatures
- Spatial Data Information Service, Missouri
- Special Education
- Speech and Hearing Clinic
- Speech, Language and Hearing Sciences
- Sponsored Programs Administration
- Staff Advisory Council
- Standard of Conduct (students)
- Standing Committees
- State Historical Society of Missouri
- Statistics
- Strategic communication, see Missouri School of Journalism
- STRIPES (safe ride program)
- Student Accountability and Support
- Student Affairs
- Student Center
- Student Engagement, Office of
- Student Financial Aid
- Student government
- Student Health and Well-Being
- Student Health Center
- Student Legal Services
- Student Organizations
- Student Success Center
- Study Abroad
- Style Guide, 世界杯在哪里买球
- Summer Welcome
- Supply Chain, UM System
- Surgery
- Surplus Property
- Sustainability Office
