It is a part of the Lewisville Independent School District located in southeastern Denton County.
Seniors of the 1987 class attended Lewisville High School as TCHS initially had only grades 9–11.
In addition to those minimum requirements, The Colony High School also offers numerous College Board Advanced Placement (AP) courses that gives students the opportunity to qualify for college credit.
TCHS was the first high school in LISD to have the AVID program under the initial instruction of Jennifer Adams, Coach Dietzman, and this year's AVID teacher for the juniors and seniors; Reesa Wilkins.
[3] The Colony Cougars compete in these sports:[4] Volleyball, Cross Country, Football, Basketball, Powerlifting, Wrestling, Swimming, Soccer, Golf, Tennis, Track, Cheerleading, Dance, Baseball & Softball Elementary schools that feed into The Colony include [7] Middle schools that feed into The Colony include: