| Business | Phone |
| Union Hill Elementary School 2197 Fm 2088, Gilmer 75644 | (903) 762-2139 |
| Union Hill High School 2197 Fm 2088, Gilmer 75644 | (903) 762-2138 |
| Union Hill School 2197 Fm 2088, Gilmer 75644 | (903) 762-2140 |
| Upshur County Shared Svc Arrgm 113 W Tyler St, Gilmer 75644 | (903) 843-5575 |
| Gilmer Elementary School 701 W Scott St, Gilmer 75644 | (903) 843-5571 |
| Gilmer Independent School Dist 500 S Trinity St, Gilmer 75644 | (903) 843-3419 |
| Gilmer Independent Supt 500 S Trinity St, Gilmer 75644 | (903) 843-2525 |
| Gilmer Intermediate School 1623 Us Highway 271 N, Gilmer 75644 | (903) 797-2031 |
| Gilmer Isd Special Education 500 S Trinity St, Gilmer 75644 | (903) 843-3192 |
| Gilmer Junior High School 111 Bruce St, Gilmer 75645 | (903) 843-3051 |
| Gilmer Senior High School 850 Buffalo St, Gilmer 75644 | (903) 843-3021 |
| Gilmer Vocational School 850 Buffalo St, Gilmer 75644 | (903) 843-3901 |