Founded in 1831, St. Xavier High School is one of the oldest Jesuit institutions in the United States. The school’s archives, which contain institutional records dating back to 1840 when the Jesuits took control, serve as a crucial repository of its rich history. This presentation will delve into the development of the St. Xavier Archives, the variety of materials they contain, and how these resources are used to preserve and teach Jesuit history at the high school level.