| Acronym | Definition |
|---|
| RCSD➣Rochester City School District (New York) |
| RCSD➣Rhinebeck Central School District (Rhinebeck, NY) |
| RCSD➣Riverhead Central School District (Riverhead, NY) |
| RCSD➣Rankin County School District (Brandon, MS) |
| RCSD➣Redwood City School District (California) |
| RCSD➣Recreation and Community Services Department (various locations) |
| RCSD➣Resource Center for Students with Disabilities (various schools) |
| RCSD➣Richmond County Sheriff's Department (Georgia) |
| RCSD➣Ravenswood City School District (East Palo Alto, CA) |
| RCSD➣Rosamond Community Services District (California) |
| RCSD➣Radio Controlled Soaring Digest (free hobbyist ezine) |
| RCSD➣Richland County School District |
| RCSD➣Regional Center for Social Science and Sustainable Development (Chiangmai University, Thailand) |
| RCSD➣Rapid City South Dakota |
| RCSD➣Rubidoux Community Services District (California) |
| RCSD➣Reverse Carlson Surge Device |
| RCSD➣Ramapo Central School District (New York) |
| RCSD➣Rockland County Sewer District (New York) |
| RCSD➣Rye City School District (New York) |
| RCSD➣Roseville City School District (Roseville, CA) |
| RCSD➣Research Centre for Sustainable Development (China) |
| RCSD➣Reserve Component Support Division (US Army) |
| RCSD➣Radio Communications System Division |
| RCSD➣River City Software Development, Inc. |