| Abbreviation | Definition |
|---|---|
| ISEY | International Student Entrepreneurs of Yonsei |
| ISF | International Students Festival |
| ISFA | Independent School Foundation Academy |
| ISFA | International Student Fairs Africa |
| ISFS | Integrated Student Financial Services |
| ISFS | International Student And Faculty Services |
| ISFS | International Student Financial Statement |
| ISH | International Students House |
| ISHP | Individualized Student Health Plans |
| ISHR | International Student Housing Rotterdam |
| ISHW | International Student House for Women |
| ISI | International Student Introduction |
| ISIB | Institutions and students Information Bureau |
| ISIG | International Student Investment Group |
| ISIP | International Student Internship Program |
| ISIR | Institutional Student Information Record |
| ISIR | Institutional Student Information Report |
| ISIS | intercampus Student information System |
| ISIS | Iowa Student Info System |
| ISIS | Iowa Student Information System |