Kailua High School is a four-year public high school located in the Kailua CDP, City and County of Honolulu, Hawaii, United States on the island of O‘ahu.

[2] The school serves students grades 9 through 12.

In 1962 Kailua moved to its present location 2 miles (3.2 km) away in the Pohakupu neighborhood.

[5] Kailua High is one of four public high schools on the windward side of Oahu and serves the neighborhoods of Kailua, Waimanalo and Maunawili, approximately 50,000 residents.

[6] Kailua High School also has an array of sports for its students.