| Abbreviation | Definition |
|---|---|
| FCPS | Fairfax County Public Schools |
| FCPS | Fauquier County Public Schools |
| FCPS | Fayette County Public Schools |
| FCPS | Frederick County Public Schools |
| FCPS | Fredericksburg City Public Schools |
| FCRS | Friends of Conakry Refugee School |
| FCS | Findlay City Schools |
| FCS | Fulton County Schools |
| FCSD | Fairfield County School District |
| FCSD | Fairport Central School District |
| FCSD | Forrest City School District |
| FCSD | Forrest County School District |
| FCSD | Fredonia Central School District |
| FCSL | Florida Coastal School of Law |
| FCTS | Franklin County Tech School |
| FCTS | Franklin County Technical School |
| FDE | Forest Dale Elementary |
| FDES | Fourth District Elementary School |
| FDES | Frederick Douglass Elementary School |
| FDHS | Fort Defiance High School |