| Abbreviation | Definition |
|---|---|
| FHS | Friendswood High School |
| FHSDC | Framingham High School Drama Co |
| FHSF | Florida High School Football |
| FHSF | Framingham High School Foundation |
| FHSF | Friends of Home Schooling Fund |
| FIAS | Frederick Irwin Anglican School |
| FIDS | Fisher Island Day School |
| FIG | Freshmen Interest Group |
| FIITJEE | Forum for Indian Institute of Technology-Joint Entrance Examination |
| FIJS | Fate International Japanese School |
| FIMEM | Federation Internationale des Mouvements d'Ecole Moderne |
| FIMS | Fort Irwin Middle School |
| FIMS | Fountain International Magnet School |
| FIPS | Full Immersion Programmes for Schools |
| FIS | Franconian International School |
| FIS | Frankfurt International School |
| FISB | First India School of Business |
| FISD | Floresville Independent School District |
| FISD | Frisco Independent School District |
| FISH | Fellowship In School Hours |