| Triad Local School District, OH (District) |
| Triad Math And Science Academy, NC (District) |
| Trico CUSD 176, IL (District) |
| Trigg County, KY (Phantom) |
| Trigg County Schools, KY (District) |
| Trillium Academy, MI (PSA) |
| Trimble County, KY (Phantom) |
| Trimble County Schools, KY (District) |
| Trimble Local School District, OH (District) |
| Trinidad 1, CO (District) |
| Trinidad ISD, TX (District) |
| Trinidad Union Elementary, CA (District) |
| Trinity Academy For The Performing Arts, RI (PSA) |
| Trinity Alps Unified, CA (District) |
| Trinity Area SD, PA (District) |
