St. Pius X High School is a co-educational Catholic college preparatory school in northwest Houston, owned and operated by the Dominican Sisters of Houston. SPX serves a diverse student body, which represents more than 60 parishes and 121 ZIP codes across the community. At SPX, the knowledgeable, skilled, and qualified faculty and staff are committed to fostering each individual’s intellectual, spiritual, and physical potential within a challenging academic and nurturing Christian environment.