S
- S and S Consolidated Independent School District
- Sabinal Independent School District
- Sabine Independent School District
- Sabine Pass Independent School District
- Saint Jo Independent School District
- Salado Independent School District
- Saltillo Independent School District
- Sam Rayburn Independent School District
- Samnorwood Independent School District
- San Angelo Independent School District
- San Antonio Independent School District
- San Augustine Independent School District
- San Benito Consolidated Independent School District
- San Diego Independent School District
- San Elizario Independent School District
- San Felipe Del Rio Consolidated Independent School District
- San Isidro Independent School District
- San Marcos Consolidated Independent School District
- San Perlita Independent School District
- San Saba Independent School District
- San Vicente Independent School District
- Sands Consolidated Independent School District
- Sanford-Fritch Independent School District
- Sanger Independent School District
- Santa Anna Independent School District
- Santa Fe Independent School District
- Santa Gertrudis Independent School District
- Santa Maria Independent School District
- Santa Rosa Independent School District
- Santo Independent School District
- Savoy Independent School District
- Schertz-Cibolo-Universal City Independent School District
- Schleicher County Independent School District
- Schulenburg Independent School District
- Scurry-Rosser Independent School District
- Seagraves Independent School District
- Sealy Independent School District
- Seguin Independent School District
- Seminole Independent School District
- Seymour Independent School District
- Shallowater Independent School District
- Shamrock Independent School District
- Sharyland Independent School District
- Shelbyville Independent School District
- Sheldon Independent School District
- Shepherd Independent School District
- Sherman Independent School District
- Shiner Independent School District
- Sidney Independent School District
- Sierra Blanca Independent School District
- Silsbee Independent School District
- Silverton Independent School District
- Simms Independent School District
- Sinton Independent School District
- Sivells Bend Independent School District
- Skidmore-Tynan Independent School District
- Slaton Independent School District
- Slidell Independent School District
- Slocum Independent School District
- Smithville Independent School District
- Smyer Independent School District
- Snook Independent School District
- Snyder Independent School District
- Socorro Independent School District
- Somerset Independent School District
- Somerville Independent School District
- Sonora Independent School District
- South San Antonio Independent School District
- South Texas Independent School District
- Southland Independent School District
- Southside Independent School District
- Southwest Independent School District
- Spearman Independent School District
- Splendora Independent School District
- Spring Branch Independent School District
- Spring Creek Independent School District
- Spring Hill Independent School District
- Spring Independent School District
- Springlake-Earth Independent School District
- Springtown Independent School District
- Spur Independent School District
- Spurger Independent School District
- Stafford Municipal School District
- Stamford Independent School District
- Stanton Independent School District
- Star Independent School District
- Stephenville Independent School District
- Sterling City Independent School District
- Stockdale Independent School District
- Stratford Independent School District
- Strawn Independent School District
- Sudan Independent School District
- Sulphur Bluff Independent School District
- Sulphur Springs Independent School District
- Sundown Independent School District
- Sunnyvale Independent School District
- Sunray Independent School District
- Sweeny Independent School District
- Sweet Home Independent School District
- Sweetwater Independent School District
Read more about this topic: List Of School Districts In Texas