| Acronym | Definition |
|---|
| CCISD➣Clear Creek Independent School District (Texas) |
| CCISD➣Corpus Christi Independent School District (Texas) |
| CCISD➣Centre de Coopération Internationale en Santé et Développement (French: Center for International Cooperation in Health and Development) |
| CCISD➣Copper Country Intermediate School District (Michigan) |
| CCISD➣Copperas Cove Independent School District (Texas) |
| CCISD➣Canadian Consortium for International Social Development (Ontario, Canada) |