| Abbreviation | Definition |
|---|---|
| CELDT | CA English Language Development Test |
| CELDT | California English Language Development Test |
| CELE | Center for English Language Education |
| CELE | Centre for English Language Education |
| CELF | Clinical Evaluation of Language Fundamentals |
| CELI | Cleverlearn English Language Institute |
| CELIN | Chinese Early Language and Immersion Network |
| CELL | Centre for English Language Learning |
| CELL | Computer Enhanced Language Learning |
| CELP | Center for English Language Programs |
| CELP | Colorado English Language Proficiency |
| CELP | Comprehensive English Language Program |
| CELP | Connecticut English Language Proficiency |
| CELP | CT English Language Proficiency |
| CELPIP | Canadian English Language Proficiency Index Program |
| CELS | Clare English Language School |
| CELTA | Certificate of English Language Teaching to Adults |
| CELTA | Certification of English Language Teaching to Adults |
| CERCE | Cat Ellington Reviews by Cat Ellington |
| CERF | Common European Framework |