| Soaring Hawk Elementary School | 431 | regular | other |
| Soaring Heights Charter School | 272 | regular | elementary |
| SOARING HEIGHTS ELEM. | 395 | regular | elementary |
| Soaring Heights PK-8 | 1,211 | regular | other |
| Sobesky Academy | 101 | special-ed | other |
| Soc Just Leadership Acad at Esteban E. Torres High #5 | 121 | alternative | high |
| Socastee Elementary | 850 | regular | other |
| Socastee High | 1,720 | regular | high |
| Socastee Middle | 527 | regular | middle |
| Social Circle Elementary School | 436 | regular | elementary |
| Social Circle High School | 629 | regular | high |
| Social Circle Middle School | 444 | regular | middle |
| Social Circle Primary School | 523 | regular | other |
| Social Justice PCS | 97 | regular | elementary |
| SOCORRO H S | 2,579 | regular | high |
| SOCORRO HIGH | 378 | regular | high |
| SOCORRO MIDDLE | 510 | regular | middle |
| Socrates Academy | 1,039 | regular | other |
| SOCRUM ELEMENTARY SCHOOL | 523 | regular | other |
| SOCSD/MSU PARTNERSHIP MIDDLE SCHOOL | 646 | regular | middle |
| Soda Creek Elementary School | 379 | regular | other |
| SODA SPRINGS HIGH SCHOOL | 234 | regular | high |
| Soddy Daisy High School | 1,122 | regular | high |
| Soddy Daisy Middle School | 450 | regular | middle |
| Soddy Elementary | 470 | regular | other |
| Soderstrom Elem | 318 | regular | other |
| Sodt Elementary School | 236 | regular | other |
| SODUS ELEMENTARY SCHOOL | 345 | regular | other |
| SODUS INTERMEDIATE SCHOOL | 214 | regular | elementary |
| SODUS JR/SR HIGH SCHOOL | 472 | regular | other |
| Sojourner School | 159 | regular | elementary |
| SOJOURNER TRUTH ACADEMY | 383 | regular | other |
| Sojourner Truth Middle School | 264 | regular | middle |
| Sol Aureus College Preparatory | 316 | regular | elementary |
| Sol Feinstone El Sch | 644 | regular | elementary |
| Solana Highlands Elementary | 384 | regular | elementary |
| Solana Pacific Elementary | 375 | regular | elementary |
| Solana Ranch Elementary | 482 | regular | elementary |
| Solana Santa Fe Elementary | 334 | regular | elementary |
| Solana Vista Elementary | 317 | regular | elementary |
| Solanco HS | 980 | regular | high |
| Solano Avenue Elementary | 198 | regular | elementary |
| Solano Co Juve Detention Facility - Evergreen Acad | 16 | alternative | other |
| Solano County Community | 79 | alternative | other |
| Solano County Special Education | 368 | special-ed | other |
| Solano School | 466 | regular | other |
| Solano Widenmann Leadership Academy | 615 | regular | elementary |
| SOLAR PREP FOR BOYS AT JOHN F KENNEDY | 449 | regular | other |
| SOLAR PREPARATORY SCHOOL FOR GIRLS AT BONHAM | 703 | regular | other |
| SOLARE COLLEGIATE CHARTER SCHOOL | 314 | regular | elementary |
