| CGHS | Cardinal Gibbons High School 
| Others |
| CGHS | Casa Grande High School
| Others |
| CGHS | Cedar Grove High School
| Others |
| CGHS | Center for Global Health Studies
| Others |
| CGHS | Center Grove High School
| Others |
| CGHS | Central Government Health Scheme
| Others |
| CGHS | Central Gwinnett High School
| Others |
| CGHS | Chesapeake Government Health Services
| Others |
| CGHS | Christchurch Girls' High School
| Others |
| CGHS | Coalfield Genealogical & Historical Society
| Others |
| CGHS | College of Graduate Health Sciences
| Others |
| CGHS | College of Graduate Health Studies
| Others |
| CGHS | Columbia Green Humane Society
| Others |
| CGHS | Columbia Greene Humane Society
| Others |
| CGHS | Conservatory Green High School
| Others |
| CGHS | Coral Gables High School
| Others |
| CGHS | Coral Gables Senior High School
| Others |
| CGHS | Coral Glades High School
| Others |
| CGHS | Cottage Grove High School
| Others |
| CGHS | Cottage Grove OR High School
| Others |
| CGHS | Council Grove High School
| Others |
| CGHS | Critical General House Scheme
| Others |
| CGHS | Critical Global Health Series
| Others |
| CGHS | Cumberland Gap High School
| Others |