| Abbreviation | Definition |
|---|---|
| SLUMS | St Louis University Mental Status |
| SLUT | Saint Louis University Tech |
| SM | Student Mail |
| SM | Student Miss |
| SM | Supplementary Materials |
| SMA | Saint Mary's Academy |
| SMA | Saint Michaels Academy |
| SMA | Singapore Massachusetts Alliance |
| SMA | Student Managed Assessment |
| SMA | Studio of Masquerade Arts |
| SMAC | Student Mentoring Another Class |
| SMAC | Students of Minnesota Athletic Council |
| SMAC | Summer Monetary Assistance Contribution |
| SMART | Science Math And Relevant Technology |
| SMART | Science Mathematics Arts And Rich Technology |
| SMART | Special Multimedia Arenas for Refining Thinking |
| SMART | Student and Merchant Achievement Recognition Team |
| SMART | Student Mentor Academic Research Teams |
| SMART | Student Mentors Advising Rising Talent |
| SMBI | Sharon Mennonite Bible Institute |