under age 18 and 6.3% of those age 65 or over. Education Hawaii Department of Education operates Konawaena Elementary School, which has a Kealakekua postal address but is in the Captain Cook CDP. Two schools, Konawaena Middle School and Konawaena High School, are on a campus partially in Captain Cook CDP and partially in Kealakekua CDP. Kona Pacific Public Charter School, founded in 2008, serves students in kindergarten through Grade 8. Notable people Harry Kiyoshi Ishisaka (1927–1978), important figure in the development of aikido in southern California Keala Keanaaina (born 1973), American football player Henry Ōpūkaha`ia (1792–1818), a resident of Kealakekua, at 15 years old Ōpūkaha`ia boarded the Triumph to New Haven, Connecticut, where he was educated at Yale and was the impetus for Christian missionaries' arrival in Hawaii in 1820 Ellison Shoji Onizuka (1946–1986), American astronaut lost in the destruction of Space Shuttle Challenger Douglas A. Zembiec (1973–2007), U.S. Marine Corps officer, Iraq and Afghanistan veteran, Silver Star, Bronze Star and two-time Purple Heart recipient See also Kealakekua Bay, where the British explorer Captain James Cook was killed References Census-designated places in Hawaii County, Hawaii Populated places on Hawaii (island)