| SCHUYLER ELEMENTARY-FISHER'S | 31 | regular | other |
| SCHUYLER HEADSTART | 75 | regular | other |
| Schuyler Industry Middle School | 252 | regular | elementary |
| SCHUYLER MIDDLE SCHOOL | 400 | regular | middle |
| SCHUYLER-STEUBEN-CHEMUNG-TIOGA-ALLEGANY BOCES | 535 | special-ed | other |
| SCHUYLERVILLE ELEMENTARY SCHOOL | 564 | regular | elementary |
| SCHUYLERVILLE HIGH SCHOOL | 454 | regular | high |
| SCHUYLERVILLE MIDDLE SCHOOL | 300 | regular | middle |
| SCHUYLERVILLE PREPARATORY HIGH SCHOOL | 324 | regular | high |
| Schuylkill El Sch | 418 | regular | elementary |
| Schuylkill Haven El Ctr | 451 | regular | elementary |
| Schuylkill Haven MS | 255 | regular | elementary |
| Schuylkill Haven SHS | 455 | regular | other |
| Schuylkill Technology Centers-North Camp | 1 | vocational | high |
| Schuylkill Technology Centers-South Camp | 17 | vocational | high |
| Schuylkill Valley El Sch | 744 | regular | elementary |
| Schuylkill Valley HS | 688 | regular | high |
| Schuylkill Valley MS | 691 | regular | elementary |
| SCHWARTZ ES | 311 | regular | other |
| Schwarzkoff Elementary School | 597 | regular | other |
| SCHWARZKOPF ELEMENTARY SCHOOL | 555 | regular | other |
| Schwegler Elem | 434 | regular | elementary |
| Schweitzer El Sch | 407 | regular | elementary |
| Schwenksville El Sch | 474 | regular | elementary |
| Sci Tech Engr Arts and Math Acad at La Presa | 800 | regular | elementary |
| Sci Tech Engr Arts and Math at Legacy High Sch Complex | 524 | regular | high |
| Science & Technology Academy at Knights Landing | 225 | regular | elementary |
| Science Academy STEM Magnet | 536 | alternative | other |
| Science and Math Institute | 597 | regular | high |
| SCIENCE AND MEDICINE MIDDLE SCHOOL (THE) | 229 | regular | middle |
| SCIENCE AND TECHNOLOGY ACADEMY: A MOTT HALL SCHOOL | 336 | regular | middle |
| Science and Technology Magnet Pathway for High School Grades | 171 | regular | high |
| Science and Technology Magnet Pathway for Middle Grades | 133 | regular | middle |
| SCIENCE HALL EL | 667 | regular | other |
| Science Hill Elementary School | 498 | regular | other |
| Science Hill High School | 2,359 | regular | high |
| Science Leadership Academy | 502 | regular | high |
| Science Leadership Academy MS | 353 | regular | elementary |
| Science Park High School | 964 | regular | other |
| SCIENCE SKILLS CENTER HIGH SCHOOL | 453 | regular | high |
| SCIENCE TECHNOLOGY & RESEARCH EARLY COLLEGE | 586 | regular | other |
| Scintilla Charter Academy | 947 | regular | elementary |
| SCIO CENTRAL SCHOOL | 267 | regular | other |
| Scio High School | 227 | regular | high |
| Scio Middle School | 162 | regular | middle |
| Scioto County Career Technical Center | 549 | vocational | other |
| Scioto Darby Elementary School | 376 | regular | elementary |
| Scioto Elementary School | 644 | regular | other |
| Scioto Ridge Elementary School | 642 | regular | other |
| Sciotoville | 373 | regular | other |
