| Acronym | Definition |
|---|
| FCHS➣Fluvanna County High School (Palmyra, VA) |
| FCHS➣Franklin County High School (Rocky Mount, Virginia) |
| FCHS➣Franklin County Historical Society (Ottawa, KS) |
| FCHS➣Farmington Central High School (various locations) |
| FCHS➣Fort Collins High School (Colorado) |
| FCHS➣Falls Church High School (Virginia) |
| FCHS➣Fayette County High School (Fayetteville, GA) |
| FCHS➣Frederick County Humane Society |
| FCHS➣Fort Campbell High School (Kentucky) |
| FCHS➣Floyd County High School (Floyd, VA) |
| FCHS➣Franklin Community High School (Indiana) |
| FCHS➣Frankfort Community High School (West Frankfort, Illinois) |
| FCHS➣Faculty of Computing Health and Science (Australia) |
| FCHS➣Ford City High School (Pennsylvania) |
| FCHS➣Ferny Creek Horticultural Society (Australia) |