| Abbreviation | Definition |
|---|---|
| SLC | Special Language Centre |
| SLC | Standard Laboratory Conditions |
| SLC | Student Leadership Council |
| SLC | Student Life Center |
| SLC | Swiss Language Club |
| SLCE | Student Leadership and Civic Engagement (University of Wyoming; Laramie, WY) |
| SLCU | Sainsbury Laboratory Cambridge University |
| SLCU | School of Law Christ University |
| SLCU | School of Law, Christ University |
| SLE | Structured Liberal Education |
| SLED | Stanford Linac Energy Doubler |
| SLI | Student Life Instructor |
| SLIC | Students Living In Creativity |
| SLICE | Symposium For Leadership In Computer Education |
| SLIIT | Sri Lanka Institute of Information Technology |
| SLIM | St. Louis Institute of Music |
| SLL | Stanford Learning Laboratory |
| SLM | United States Air Force School for Latin America |
| SLMA | Student Loan Marketing Association |
| SLN | Suny Learning Network |