Heritage Hall School is a coeducational, college-prep school located in North Oklahoma City, Oklahoma. An independent private school not affiliated with any religious organization, the school is open to students of any race, religion, nationality, or ethnic origin. Heritage Hall was founded in 1969 in the church basement of First Christian Church. Heritage Hall was founded during the integration of Oklahoma City public schools as a segregation academy. Until 2015, Heritage Hall and Casady School held rivalries against one another.