 The original St. Xavier's building served as the high school facility until 1991, when it was torn down.A new addition was built after the demolition to replace the original building and was connected to the wing that was built in 1949 when the school became a co-ed high school.In the Fall of 2010, Marquette High School combined with the two privately funded Catholic Grade Schools in Ottawa, St. Patrick and St. Columba, and formed Marquette Academy, which house Pre-K through twelfth grades in three separate buildings.