Bishop Kelley High School is an American Lasallian Catholic high school with 905 students, grades 9 to 12, located at 41st and Hudson Avenue, in the center of the Tulsa metropolitan area (in the Midtown area), on a campus spanning just over 47 acres (150,000 m2). The school is formerly a function of the Roman Catholic Diocese of Tulsa, but is now incorporated separately, and operates in the Lasallian tradition of the Brothers of the Christian Schools (Christian Brothers or the French Christian Brothers).