In 1974 , the St. Margaret 's facility was sold to the Minneapolis school system .
The merged Benilde - St. Margaret 's School opened St. Margaret 's door at the former Benilde High School site .
In 1974 , the St. Margaret 's facility was sold to the Minneapolis school system , and the merged Benilde - St. Margaret 's School opened its door at the former Benilde High School site .