| Name |
County |
| Schindewolf Intermediate School |
Harris County |
| Schrade Middle School |
Dallas County |
| Scoggins Middle School |
Collin County |
| Scott Middle School |
Grayson County |
| Scurry Rosser Middle School |
Kaufman County |
| Seabrook Intermediate School |
Harris County |
| Seagoville Middle School |
Dallas County |
| Seagraves Junior High School |
Gaines County |
| Seale Junior High School |
Nueces County |
| Sealy Junior High School |
Austin County |
| Seashore Middle Academy |
Nueces County |
| Sellers Middle School |
Dallas County |
| Seminole Junior High School |
Gaines County |
| SER - Niños Middle School |
Harris County |
| Sergeant Manuel Chacon Middle School |
Hidalgo County |
| Seven Lakes Junior High School |
Fort Bend County |
| Seymour Middle School |
Baylor County |
| Shackleford Junior High School |
Tarrant County |
| Shadow Ridge Middle School |
Denton County |
| Shallowater Middle School |
Lubbock County |
| Shamrock Middle School |
Wheeler County |
| Sharon Christa McAuliffe Middle School |
Bexar County |
| Sharyland North Junior High School |
Hidalgo County |
| Shelbyville Middle School |
Shelby County |
| Shepherd Middle School |
San Jacinto County |
| Shirley Hall Middle School |
Parker County |
| Shotwell Academy |
Harris County |
| Simon Middle School |
Hays County |
| Skidmore - Tynan Junior High School |
Bee County |
| Slaton Junior High School |
Lubbock County |
| Slaton Middle School |
Lubbock County |
| Sloan Creek Intermediate School |
Collin County |
| Small Middle School |
Travis County |
| Smith Middle School |
San Patricio County |
| Smith Middle School |
Coryell County |
| Smith Middle School |
Harris County |
| Smith Middle School |
Jefferson County |
| Smithfield Middle School |
Tarrant County |
| Smithson Valley Middle School |
Comal County |
| Smithville Junior High School |
Bastrop County |
| Smylie Wilson Middle School |
Lubbock County |
| Snyder Junior High School |
Scurry County |
| Socorro Middle School |
El Paso County |
| Somerset Junior High School |
Bexar County |
| Somerville Intermediate School |
Burleson County |
| Sonora Middle School |
Sutton County |
| South Belton Middle School |
Bell County |
| South Houston Intermediate School |
Harris County |
| South Middle School |
Hidalgo County |
| South Park Middle School |
Nueces County |
| South Park Middle School |
Jefferson County |
| South Texas ISD Preparatory Academy |
Hidalgo County |
| Southard Middle School |
Collin County |
| Southmore Intermediate School |
Harris County |
| Space Center Intermediate School |
Harris County |
| Spearman Junior High School |
Hansford County |
| Specialist Rafael Hernando III Middle School |
El Paso County |
| Spillane Middle School |
Harris County |
| Splendora Junior High School |
Montgomery County |
| Spring Branch Middle School |
Harris County |
| Spring Branch Middle School |
Comal County |
| Spring Forest Middle School |
Harris County |
| Spring Hill Junior High School |
Gregg County |
| Spring Leadership Academy |
Harris County |
| Spring Oaks Middle School |
Harris County |
| Spring Woods Middle School |
Harris County |
| Springtown Middle School |
Parker County |
| Springwoods Village Middle School |
Harris County |
| Staff Sergeant Manuel R Puentes Middle School |
El Paso County |
| Stafford Middle School |
Denton County |
| Stafford Middle School |
Fort Bend County |
| Staley Middle School |
Collin County |
| Stamford Middle School |
Jones County |
| Stanton Middle School |
Martin County |
| STEAM Middle School |
Johnson County |
