| REPERTORY COMPANY HIGH SCHOOL FOR THEATRE ARTS | 206 | regular | high |
| Repetto Elementary | 739 | regular | elementary |
| Repton Junior High School | 129 | regular | other |
| Republic County Jr./Sr. High School | 245 | regular | other |
| Republic Elementary School | 152 | regular | elementary |
| REPUBLIC HIGH | 1,530 | regular | high |
| RePublic High School | 587 | regular | high |
| Republic Junior High | 86 | regular | middle |
| REPUBLIC MIDDLE | 1,211 | regular | middle |
| Republic Parent Partner | 199 | alternative | other |
| Republic Senior High School | 103 | regular | high |
| RepublicMichigamme School | 80 | regular | other |
| RESACA MIDDLE | 870 | regular | middle |
| Rescue Elementary | 519 | regular | elementary |
| RESEARCH AND SERVICE HIGH SCHOOL | 184 | regular | high |
| RESEARCH LABORATORY HS-BIOINFORMATIC | 174 | regular | high |
| Research Triangle Charter | 710 | regular | elementary |
| Research Triangle High School | 572 | regular | high |
| Reseda Charter High | 1,339 | regular | high |
| Reseda Elementary | 378 | regular | elementary |
| RESERVE ELEMENTARY | 58 | regular | other |
| RESERVE HIGH | 39 | regular | other |
| Reserve Primary Sch | 111 | regular | elementary |
| Reservoir Avenue School | 289 | regular | elementary |
| Reservoir Gifted School | 308 | regular | elementary |
| Reservoir High | 1,597 | regular | high |
| RESET | 11 | special-ed | other |
| Resica El Sch | 404 | regular | elementary |
| RESIDENT STUDENT/OUT OF STATE | 3 | alternative | other |
| RESILIENCE CHARTER SCHOOL INC | 107 | regular | middle |
| Resiliency Preparatory Academy | 171 | alternative | other |
| Reskin Elem School | 294 | regular | elementary |
| Resource Link Charter School | 36 | regular | other |
| Respect Academy | 99 | alternative | high |
| RESPONSIVE ED SOLUTIONS PREMIER HIGH SCHOOL OF SPRINGDALE | 102 | regular | high |
| Ressie Jeffries Elementary | 649 | regular | other |
| RESTART 500 ROLE MODELS | 2 | alternative | elementary |
| RESTORATION ACADEMY | 91 | regular | middle |
| RESTORATIVE AND TRANSITION CENTER | 23 | alternative | other |
| Restore Program | 13 | special-ed | other |
| Resurgence Hall Charter School | 408 | regular | elementary |
| Resurgence Hall Middle Academy | 209 | regular | elementary |
| REUBEN B. MYERS CANTON SCHOOL OF AR | 378 | regular | other |
| Reuben Elementary | 150 | regular | other |
| REUBEN JOHNSON EL | 378 | regular | elementary |
| Reunion Elementary School | 742 | regular | other |
| Reuther Central High | 358 | alternative | high |
| Reuther Middle School | 706 | regular | other |
| Rev. Dr. Ercel F. Webb School | 613 | regular | other |
| Rev. Dr. Frank Napier Jr. School | 491 | regular | elementary |