| Clarksburg Elementary | 204 | regular | other |
| Clarksburg High | 2,241 | regular | high |
| Clarksburg Middle | 171 | regular | other |
| Clarksburg School | 343 | regular | other |
| CLARKSDALE COLLEGIATE | 652 | regular | elementary |
| CLARKSDALE HIGH SCHOOL | 473 | regular | high |
| ClarkShaw Magnet School | 582 | regular | elementary |
| Clarkson Elementary School | 642 | regular | other |
| CLARKSON ELEMENTARY SCHOOL | 106 | regular | other |
| CLARKSON JR-SR HIGH SCHOOL | 106 | regular | other |
| CLARKSTON EL | 394 | regular | other |
| Clarkston Elementary School | 416 | regular | other |
| Clarkston High School | 1,441 | regular | high |
| Clarkston High School | 1,552 | regular | other |
| Clarkston Junior High School | 1,007 | regular | other |
| CLARKSTOWN NORTH SENIOR HIGH SCHOOL | 1,209 | regular | high |
| CLARKSTOWN SOUTH SENIOR HIGH SCHOOL | 1,386 | regular | high |
| Clarksville Charter | 2,347 | regular | other |
| Clarksville Elementary | 543 | regular | elementary |
| Clarksville Elementary | 432 | regular | other |
| CLARKSVILLE ELEMENTARY SCHOOL | 368 | regular | elementary |
| Clarksville Elementary School | 649 | regular | other |
| Clarksville Elementary School | 176 | regular | other |
| Clarksville High | 1,530 | regular | high |
| CLARKSVILLE HIGH SCHOOL | 598 | regular | high |
| Clarksville High School | 125 | regular | other |
| CLARKSVILLE INTERMEDIATE SCHOOL | 380 | regular | elementary |
| CLARKSVILLE JUNIOR HIGH SCHOOL | 403 | regular | other |
| Clarksville Middle | 679 | regular | middle |
| CLARKSVILLE MIDDLE AND H S | 242 | regular | other |
| Clarksville Middle School | 430 | regular | elementary |
| CLARKSVILLE PRIMARY SCHOOL | 385 | regular | elementary |
| Clarksville Senior High School | 412 | regular | high |
| CLARKTON ELEM. | 143 | regular | other |
| CLARKTON HIGH | 135 | regular | other |
| Clarkton School of Discovery | 147 | regular | elementary |
| CLARMAR ELEMENTARY SCHOOL | 290 | regular | other |
| CLARY MIDDLE SCHOOL | 270 | regular | middle |
| Class ACT Charter | 11 | vocational | high |
| CLASSEN HS OF ADVANCED STUDIES | 810 | regular | high |
| CLASSEN MS OF ADVANCED STUDIES | 916 | regular | elementary |
| Classic City High School | 58 | regular | high |
| Classical Academy | 1,581 | regular | elementary |
| CLASSICAL ACADEMY - PERMIAN BASIN | 218 | regular | elementary |
| Classical Academy Charter School of Clifton | 185 | regular | middle |
| Classical Academy High | 1,336 | regular | high |
| Classical Academy Vista | 651 | regular | elementary |
| CLASSICAL CENTER AT BRANDENBURG MIDDLE | 1,056 | regular | middle |
| CLASSICAL CENTER AT VIAL EL | 572 | regular | elementary |
| Classical Charter Schools of Leland | 935 | regular | elementary |