

elcome to to The St. Thomas the Apostle Institute of Catholic Theology web site. The Institute was established to further enhance the intellectual formation of adult Catholics in the Diocese of Phoenix. The Institute offers classes in Catholic theology on a broad range of topics and is geared toward theological education at the undergraduate level. All adults are invited to attend, most especially, catechists, youth ministers, and Catholic school teachers.
REGISTRATION BEGINS AUGUST 13th AT 8:00AM