| Business | Phone |
| Gisd Head Start 318 W Quitman Ave, Gladewater 75647 | (903) 844-1950 |
| Gladewater County Line School 500 W Quitman Ave, Gladewater 75647 | (903) 845-6991 |
| Gladewater High School 2201 W Gay Ave, Gladewater 75647 | (903) 845-5591 |
| Gladewater Middle School 700 Melba Ave, Gladewater 75647 | (903) 845-2243 |
| Gladewater School District 500 W Quitman Ave, Gladewater 75647 | (903) 845-6992 |
| Gladewater Special Education 2200 W Upshur Ave 80, Gladewater 75647 | (903) 845-4342 |
| Broadway Elementary School 200 Broadway Ave, Gladewater 75647 | (903) 845-6971 |
| Gay Avenue Elementary School 100 W Gay Ave, Gladewater 75647 | (903) 845-2254 |
| Union Grove Elementary School Old Highway 271 S, Gladewater 75647 | (903) 845-3481 |
| Union Grove Jr & Sr High Schl Gilmer Hwy, Gladewater 75647 | (903) 845-5506 |
| Union Grove School District Old Highway 271, Gladewater 75647 | (903) 845-5509 |
| Weldon Intermediate School 314 Saunders St, Gladewater 75647 | (903) 845-6921 |
| Sabine Elementary School 5219 Old 135 N, Gladewater 75647 | (903) 984-5320 |
| Sabine Independent School Dist 5424 Fm 1252 W, Gladewater 75647 | (903) 984-8564 |
| Sabine Middle School 5424 Fm 1252 W, Gladewater 75647 | (903) 984-4767 |
| Sabine Senior High School Highway 1252, Gladewater 75647 | (903) 984-8587 |
| Life Christian Academy 409 Money St, Gladewater 75647 | (903) 844-2720 |