Bishop Kelley High School is an American Lasallian Catholic high school with over 814 students, grades 9 to 12, located at 41st and Hudson Avenue, in the center of the Tulsa metropolitan area, on a campus spanning just over 47 acres (150,000 m²). The school is a function of the Roman Catholic Diocese of Tulsa and operates in the Lasallian tradition of the Brothers of the Christian Schools (Christian Brothers). The school is named for Bishop Francis Kelley, the second bishop of Oklahoma. Founded in 1960, Bishop Kelley was created to serve the city of Tulsa when Holy Family High School and Marquette High School closed.