| Abbreviation | Definition |
|---|---|
| JFIS | Jabal Farasan International School |
| JFND | Jacket Fight Never Dies |
| JFS | Jewish Free School |
| JFS | Jews Free School |
| JGEMS | Jane Goodall Environmental Middle School |
| JGH | John Glenn High |
| JGHS | James Gillespie's High School |
| JGHS | John Glenn High School |
| JGHS | John Gray High School |
| JGS | Jackson Grammar School |
| JGSM | Johnson Graduate School of Management |
| JHGS | John Hampden Grammar School |
| JHHS | Jackson Hole High School |
| JHHS | John Handley High School |
| JHHS | John Hardin High School |
| JHHS | John Hersey High School |
| JHHS | Jonesboro-Hodge High School |
| JHS | Jackson High School |
| JHS | Jacksonville High School |
| JHS | Jacobs High School |