St. Pius X High School is a private, Roman Catholic high school in Albuquerque, New Mexico. It was established in 1956. It is administered in the Roman Catholic Archdiocese of Santa Fe. The school is located on Albuquerque's west side, on the campus that was formerly the location of the University of Albuquerque. St. Pius X is a co-educational institution that serves over 900 students in grades nine through twelve.