| Abbreviation | Definition |
|---|---|
| CLCS | Cambridge Lakes Charter School |
| CLCS | Chautauqua Lake Central School |
| CLCS | Covenant Love Community School |
| CLES | Centennial Lane Elementary School |
| CLES | County Line Elementary School |
| CLFS | City of London Freemen's School |
| CLHS | Canyon Lake High School |
| CLHS | Center Line High School |
| CLHS | Central Lafourche High School |
| CLHS | Central Lancaster High School |
| CLHS | Chung Ling High School |
| CLHS | Clear Lake High School |
| CLHS | Cold Lake High School |
| CLHS | County Line High School |
| CLISS | Content and Language Integration in Swedish Schools |
| CLMS | Canyon Lake Middle School |
| CLMS | Cedar Lee Middle School |
| CLMS | Chestnut Log Middle School |
| CLMS | Chisago Lakes Middle School |
| CLMS | Clark Lane Middle School |