Lahainaluna High School is a public high school with the grades 9-12 located in Lahaina (on the island of Maui). Lahainaluna High School is also a public boarding school. It was founded in 1831 as a Protestant missionary school, originally named Lahainaluna Seminary. The early missionaries who arrived in Lahaina in 1823 explained to the Hawaiian Royalty the importance of an educational institution in the American style.