| Trinity Academy For The Performing Arts, RI (PSA) |
| Trinity Alps Unified, CA (District) |
| Trinity Area SD, PA (District) |
| Trinity Basin Preparatory, TX (PSA) |
| Trinity Center Elementary, CA (District) |
| Trinity Charter School, TX (PSA) |
| Trinity County, TX (ISD) |
| Trinity County Office of Education, CA (District) |
| Trinity Elem, MT (District) |
| Trinity Environmental Academy, TX (PSA) |
| Trinity ESA, CA (ISD) |
| Trinity ISD, TX (District) |
| Trio Wolf Creek Distance Learning, MN (District) |
| Trion City, GA (District) |
| Triopia CUSD 27, IL (District) |
