| Business | Phone |
| Flatonia High School 400 E 4th St, Flatonia 78941 | (361) 865-2944 |
| Flatonia Independ School Dist 400 E 4th St, Flatonia 78941 | (361) 865-2947 |
| Flatonia School District Office 400 E 4th St, Flatonia 78941 | (361) 865-2941 |
| Whispering Hills Achievement 4110 Fm 609, Flatonia 78941 | (361) 865-3083 |