Saint Pius X Catholic High School is a private Roman Catholic university preparatory secondary school in Kansas City, Missouri, United States. It is located in the Roman Catholic Diocese of Kansas City-Saint Joseph. Saint Pius X Catholic High School opened in 1956. The student body is composed of ninth through twelfth-grade students. The school is adjacent to St. Patrick Parish & School off of Interstate 29. The school's current principal is Joe Monachino Jr.