Trinity Union is zoned to the highly regarded Grapevine-Colleyville Independent School District. GCISD provides transportation to and from the community. You can learn more about Grapevine-Colleyville Independent School District and each of our assigned schools below.
4500 Heritage, Grapevine, TX 76051
1100 Bogart Drive, Colleyville, TX 76034
Colleyville Heritage High School
5401 Heritage Avenue, Colleyville, TX 76034