sentences:  In 1871, they opened Saint Joseph Academy, a private school for girls in Titusville, Pennsylvania.By the 1920s, the order and the school were growing rapidly, so the sisters set their sights on opening a school in Erie.Bishop John Mark Gannon suggested to Mother M. Borgia Egan, the Superior of the Sisters of Mercy in Titusville, that she raise $150,000 and come to Erie to found a school in 1921.