| Abbreviation | Definition |
|---|---|
| ISJA | Idaho Student Journalism Association |
| ISL | International Student Life |
| ISL | Investigating Student Learning |
| ISLA | International Student Leadership and Ambassador |
| ISLC | Intercultural Student Leadership Conference |
| ISLC | International Student Leadership Conference |
| ISLC | International Students of Lewis Clark |
| ISLD | International Student Leadership Day |
| ISLP | Instant Student License Program |
| ISLP | International Student Leadership Program |
| ISLP | International Student Loan Program |
| ISLT | International Student Leadership Team |
| ISLT | Iowa Student Leadership Team |
| ISM | Independent Student Media |
| ISMP | International Student Mentoring Program |
| ISMS | Institute Student Management System |
| ISN | Interactive Student Notebooks |
| ISNA | Iranian Students News Agency |
| ISO | Imamia Student Organization |
| ISO | International Students Office |