Hilo High School is a public, co-educational high school of the Hawaii State Department of Education, and serves grades nine through twelve. Established in 1906, its first class graduated in 1909. Hilo High School is near the Wailuku River in Hawaii County on the Big Island of Hawaii, United States. The campus boasts the black marble terrazzo and gray gravel sculpture Matrix by Ken Shutt in the middle of its two patios in its courtyard. The school is situated at 556 Waianuenue Avenue on across the street from Hilo Intermediate School, one of its two feeder schools, the other being Kalanianaole Intermediate School. Hilo's symbol and mascot is the Viking and its school colors are blue and gold. Hilo High School celebrated its centennial during Homecoming of 2006. Hilo High School's crosstown rivals are the Warriors of Waiakea High School.

James Kimo Kealoha was an American politician who served as the first lieutenant governor of Hawaii in the administration of Governor of Hawaiʻi William F. Quinn. Prior to his election as Lieutenant Governor, Kealoha served a number of years as a legislator on Hawaii island, distinguishing himself as a respected leader.