| Business | Phone |
| Woodvale School 105 E Groves St, Big Sandy 75755 | (903) 636-4533 |
| Big Sandy Independent School 1 Wildcat Dr, Big Sandy 75755 | (903) 636-5287 |
| Harmony School 9788 State Highway 154 W, Big Sandy 75755 | (903) 725-5492 |
| Harmony School Superintendent 9788 State Highway 154 W, Big Sandy 75755 | (903) 725-5493 |
| Harmony Sr High School 9788 State Highway 154 W, Big Sandy 75755 | (903) 725-5495 |
| James Poole Elementary School 9788 State Highway 154 W, Big Sandy 75755 | (903) 725-5496 |