 They also have an extensive theatre program and many opportunities to travel abroad for both study and service .Xavier was the first high school in the state of Arizona to found a chapter of the Computer Science Honor Society.The Computer Science Department was inspired  by Sister Mary Kenneth Keller, BVM, who was one of the first two Americans to earn a PhD in Computer Science  and a member of the same order of nuns, the Sisters of Charity of the Blessed Virgin Mary, which has run Xavier since its founding in 1943.