Saint Louis School, located in the neighborhood of Kaimuki in Honolulu, Hawaii, is a historic Roman Catholic college preparatory school for boys founded in 1846 to serve the needs of early Hawaiian Catholics in the former Kingdom of Hawaii. Located in the Roman Catholic Diocese of Honolulu, it is currently affiliated with the Society of Mary, a religious order of brothers and priests called the "Marianists." Its most famous graduates are Saint Damien of Molokai and Governor John A.