| WISD | Waco Independent School District 
| Others |
| WISD | Waller Independent School District
| Others |
| WISD | Washtenaw Intermediate School District
| Others |
| WISD | Waxahachie Independent School District
| Others |
| WISD | Weidenfeld Institute for Strategic Dialogue
| Others |
| WISD | Whitehouse Independent School District
| Others |
| WISD | Willis Intermediate School District
| Others |
| WISD | Wimberley Independent School District
| Others |
| WISD | Winnsboro Independent School District
| Others |
| WISD | Woodsboro Independent School District
| Others |
| WISD | Wylie Intermediate School District
| Others |