| Southern Middle | 726 | regular | middle |
| Southern Middle | 442 | regular | middle |
| Southern Middle | 620 | regular | middle |
| Southern Middle | 456 | regular | middle |
| Southern Middle School | 759 | regular | middle |
| Southern Middle School | 871 | regular | middle |
| Southern Middle School | 434 | regular | middle |
| Southern MS | 661 | regular | elementary |
| Southern MS | 466 | regular | middle |
| Southern Nash High | 1,048 | regular | high |
| Southern Nash Middle | 795 | regular | middle |
| SOUTHERN NM CORRECTIONS | 2 | alternative | other |
| SOUTHERN OAK ELEMENTARY SCHOOL | 451 | regular | other |
| Southern Oaks Elementary School | 468 | regular | other |
| SOUTHERN OAKS MIDDLE SCHOOL | 833 | regular | middle |
| Southern Ohio Digital Academy | 64 | regular | other |
| Southern Online Academy | 10 | regular | other |
| Southern Oregon Success Academy | 213 | regular | other |
| Southern Pines Elementary | 600 | regular | other |
| SOUTHERN PLAINS AREA LEARNING CNTR. | 47 | alternative | other |
| SOUTHERN PLAINS BRIDGES | 23 | special-ed | other |
| SOUTHERN PLAINS EDUCATION COOP. | 19 | special-ed | other |
| Southern Regional High School | 1,820 | regular | high |
| Southern Regional Middle School | 865 | regular | middle |
| Southern School of Energy and Sustainabi | 1,384 | regular | high |
| Southern Trinity High | 7 | regular | high |
| Southern University Lab School | 478 | regular | other |
| Southern University Laboratory Virtual School | 299 | regular | other |
| Southern Utah School of the Deaf | 13 | special-ed | other |
| SOUTHERN VALLEY JR/SR HIGH | 145 | regular | other |
| Southern View Elem School | 171 | regular | elementary |
| Southern Wake Academy | 534 | regular | other |
| Southern Wayne High | 1,007 | regular | high |
| Southern Wells Elementary School | 496 | regular | elementary |
| Southern Wells Jr-Sr High School | 384 | regular | other |
| Southfield Elementary School | 630 | regular | other |
| Southfield High School for the Arts and Technology | 1,049 | regular | high |
| Southfield Regional Academic Campus | 112 | alternative | high |
| Southgate Academy | 367 | alternative | other |
| Southgate Anderson High School | 1,052 | regular | high |
| SOUTHGATE EL | 227 | regular | elementary |
| Southgate Elementary | 581 | regular | elementary |
| Southgate Elementary | 573 | regular | other |
| SOUTHGATE ELEMENTARY | 539 | regular | elementary |
| Southgate Elementary School | 416 | regular | elementary |
| Southgate Public School | 180 | regular | other |
| SOUTHGATE SCHOOL | 369 | regular | elementary |
| SOUTHGATE STEM EL | 431 | regular | other |
| SOUTHGATE-RIPPETOE ES | 560 | regular | other |
| Southington Elementary School | 206 | regular | other |
