Mililani High School is the only public high school located in Mililani Town CDP,[2] City and County of Honolulu, Hawaii, U.S. on the island of Oʻahu.

In 2005, the high school held the distinction of holding the largest graduating class in the state.

[citation needed] Mililani High School offers a wide range of sports and can be found in the Red Division of the Oahu Interscholastic Association or OIA conference.

[5] In 2010, Mililani High School's Boys Basketball Division I defeated Moanalua High School at the Stan Sheriff Center in an overtime win for Consolation title with a score of 71–67.

The Trojans won their second state title in football, defeating ʻIolani 31–20, in 2016.