| Abbreviation | Definition |
|---|---|
| CLTA | Center For Learning Through The Arts |
| CLTA | Chinese Language Teachers Association |
| CLTASA | Chinese Language Teachers Association of South Australia |
| CLTR | Center for Learning Teaching and Research |
| CLTW | Center for Learning and Teaching in the West |
| CLUB | Children Learning Ultimate Balance |
| CLUE | Careers Learning Understanding And Exploring |
| CLUE | Cedar Lake United Educators |
| CLUE | Concept Leading to Unveiled Empowerment |
| CLUE | Creating Love And Uplifting Esteem |
| CLW | Catalogers Learning Workshop |
| CLW | Childrens Learning World |
| CLW | Creative Learning Workshop |
| CLY | Child Level Youth |
| CLYMER | Classroom Learning Yields Math English Readiness |
| CLZ | Chailey Learning Zone (UK) |
| CM | Common Man |
| CM | Competition Master |
| CM | Construction Management |
| CMAC | Construction Management Agency Construction |