| SANGER MIDDLE | 426 | regular | middle |
| SANGER SIXTH GRADE CAMPUS | 213 | regular | middle |
| Sanger West High | 1,438 | regular | high |
| Sango Elementary | 751 | regular | elementary |
| Sangre de Cristo Elementary School | 110 | regular | other |
| Sangre de Cristo Undivided High School | 146 | regular | other |
| SANGRE RIDGE ES | 497 | regular | other |
| Sangster Elementary | 928 | regular | other |
| Sanhedrin Alternative | 57 | alternative | high |
| Sanilac ISD Special Education Services | 55 | special-ed | other |
| Sanislo Elementary School | 145 | regular | elementary |
| Sankofa Freedom Academy CS | 673 | regular | other |
| SANKOFA MIDDLE SCHOOL | 82 | regular | elementary |
| Sankofa United Elementary | 216 | regular | elementary |
| SanLee Middle School | 792 | regular | middle |
| Sansom Middle School | 339 | regular | middle |
| Santa Ana High | 2,505 | regular | high |
| SANTA ANNA EL | 146 | regular | other |
| SANTA ANNA SECONDARY | 113 | regular | other |
| Santa Barbara Charter | 269 | regular | elementary |
| Santa Barbara Community Academy | 221 | regular | elementary |
| Santa Barbara County Community | 27 | alternative | other |
| Santa Barbara County Juvenile Court | 31 | alternative | other |
| Santa Barbara County Special Education | 49 | special-ed | other |
| Santa Barbara Junior High | 512 | regular | middle |
| Santa Barbara Senior High | 1,924 | regular | high |
| Santa Clara Community Day | 10 | alternative | other |
| Santa Clara County Community | 107 | alternative | other |
| Santa Clara County Court | 44 | alternative | other |
| Santa Clara County Special Education | 771 | special-ed | other |
| Santa Clara Elementary | 53 | regular | elementary |
| Santa Clara Elementary School | 422 | regular | elementary |
| SANTA CLARA ELEMENTARY SCHOOL | 532 | regular | other |
| Santa Clara High | 1,663 | regular | high |
| Santa Clara School | 450 | regular | other |
| Santa Clarita Elementary | 254 | regular | elementary |
| Santa Clarita Valley International | 548 | regular | other |
| Santa Cruz Center for Success | 26 | alternative | high |
| Santa Cruz City Elementary Alternative Education-Monarch | 114 | alternative | elementary |
| Santa Cruz County Career Advancement Charter | 207 | regular | high |
| Santa Cruz County Community | 730 | alternative | other |
| Santa Cruz County Court | 20 | alternative | other |
| Santa Cruz County Special Education | 105 | special-ed | other |
| Santa Cruz Elementary School | 941 | regular | other |
| Santa Cruz Gardens Elementary | 214 | regular | elementary |
| Santa Cruz High | 1,093 | regular | high |
| Santa Cruz Valley Union High School | 399 | regular | high |
| Santa Fe 5/6 Center | 440 | regular | elementary |
| Santa Fe Computer Science Magnet | 424 | regular | middle |
| SANTA FE EL | 382 | regular | other |