St. Michael's Catholic Preparatory School is a private college preparatory high school in Barton Creek, a community in unincorporated Travis County, Texas, with an enrollment of approximately 360 students in grades PreK-12. It is within the Roman Catholic Diocese of Austin. In 2023, it was merged with its sister school, St. Gabriel’s Catholic School, as one unified school. However, both schools still keep their own campuses. In 2024, the school officially renamed to St. Michael's Catholic Preparatory School.