| Business | Phone |
| Rio Hondo Elementary School 609 N Reynolds St, Rio Hondo 78583 | (956) 748-4560 |
| Rio Hondo High School Hway 106 345, Rio Hondo 78583 | (956) 748-4500 |
| Rio Hondo Independent School Po Box 220, Rio Hondo 78583 | (956) 748-4577 |
| Rio Hondo Junior High School 501 N Reynolds, Rio Hondo 78583 | (956) 748-1150 |