Contact us

For further information or to make a contribution:


Arizona’s Catholic Tuition Support Organization (CTSO) Bank Processing Center P.O. Box 14467 Tucson, Arizona 85732-4467


Arizona’s Catholic Tuition Support Organzation (CTSO) P.O. Box 31 Tucson, Arizona 85702


192 S. Stone Ave, Bldg 2,
Tucson, Arizona 85701
Phone: (520) 838-2558
For more detail, see our FAQs or call us to learn more: (520) 838-2558.

© 2021 Catholic Tuition Support Organization, Tucson, Arizona.

Arizona Catholic Tuition Support Organization (CTSO) is an IRS 501 (c) (3) nonprofit organization, and is a qualified tax credit organization under the State of Arizona.