| Abbreviation | Definition |
|---|---|
| FSSA | Frank Sinatra School of the Arts |
| FSSD | Franklin Special School District |
| FSSG | Freetown Secondary School for Girls |
| FSSM | Faith School of Supernatural Ministry |
| FSSR | Florida Shared School Results |
| FST | Franciscan School of Theology |
| FST | Franciscan School of Theology's |
| FSTM | Flint School of Therapeutic Massage |
| FSTM | Florida School of Traditional Midwifery |
| FSTR | Farmland School Tax Rebate |
| FSTS | Fire Service Training School |
| FSTS | Fire Services Training School |
| FSUS | Florida State University School |
| FSUS | Florida State University Schools |
| FTFS | French Theatre For Schools |
| FTHS | Freehold Township High School |
| FTIS | Fort Thomas Independent Schools |
| FTRS | Fairy Tale Reform School |
| FTRS | Freedom Trail Realty School |
| FTS | Firearm Training School |