Corporation List [S-U]
- Salem Community Schools
- School City of East Chicago
- School City of Hammond
- School City of Hobart
- School City of Mishawaka
- School Town of Highland
- School Town of Munster
- School Town of Speedway
- Scott County School District 1
- Scott County School District 2
- Seymour Community Schools
- Shelby Eastern Schools
- Shelbyville Central Schools
- Shenandoah School Corporation
- Sheridan Community Schools
- Shoals Community School Corp
- Smith-Green Community Schools
- South Adams Schools
- South Bend Community Sch Corp
- South Central Com School Corp
- South Dearborn Com School Corp
- South Gibson School Corp
- South Harrison Com Schools
- South Henry School Corp
- South Knox School Corp
- South Madison Com Sch Corp
- South Montgomery Com Sch Corp
- South Newton School Corp
- South Putnam Community Schools
- South Ripley Com Sch Corp
- South Spencer County Sch Corp
- South Vermillion Com Sch Corp
- Southeast Dubois Co Sch Corp
- Southeast Fountain School Corp
- Southeastern School Corp
- Southern Hancock Co Com Sch Corp
- Southern Wells Com Schools
- Southwest Dubois Co Sch Corp
- Southwest Parke Com Sch Corp
- Southwest School Corp
- Southwestern Con Sch Shelby Co
- Southwestern-Jefferson Co Con
- Spencer-Owen Community Schools
- Springs Valley Com School Corp
- Sunman-Dearborn Com Sch Corp
- Switzerland County School Corp
- Taylor Community School Corp
- Tell City-Troy Twp School Corp
- Tippecanoe School Corp
- Tippecanoe Valley School Corp
- Tipton Community School Corp
- Tri-Central Community Schools
- Tri-County School Corp
- Tri-Creek School Corporation
- Triton School Corporation
- Turkey Run Community Sch Corp
- Twin Lakes School Corp
- Union Co/Clg Corner Joint Sch Dist
- Union School Corporation
- Union Township School Corp
- Union-North United School Corp