Give the Gift of Faith-Filled Education

Register or Log In
Contribute as a Guest

Why Give to CTSO?

Exceptional Outcomes

Great teachers + faith-filled education add up to a 99% graduation rate at Diocese of Tucson Catholic High Schools

Your Money, Your Values

Your investment in CTSO is more than just another charitable gift — it’s putting your AZ tax dollars to work for your values and beliefs

Dollar-for-Dollar Credit + ROI

With the AZ tax credit, you get back what you give, and your investment in education yields social returns for generations to come

For more detail, see our FAQs or call us to learn more: (520) 838-2558.

Quick Facts

Arizona’s Catholic Tuition Support Organization (CTSO) of the Diocese of Tucson is a non-profit that helps Arizona families pay for Catholic and other private schools.

We believe in faith-filled education, rooted in strong moral values and high academic standards, delivered by teachers of the highest professional caliber.

We believe this kind of schooling is more important than ever, and that it should be available to all youth, including children from disadvantaged families.

We work with 40+ outstanding Arizona schools, and have given more than 55,000 need-based scholarships to Arizona families, thanks to donors who value education that develops outstanding personal character.

Arizona makes it easy for you to help! Through the Private School Tuition Tax Credit, you can make a significant gift that benefits not just students but also our great community—at no additional cost to you!

Who We Are

Welcome to Arizona’s Catholic Tuition Support Organization’s (CTSO) of the Diocese of Tucson. We are a non-profit 501c3 School Tuition Organization (STO) whose mission it is to provide tuition assistance to qualified students attending Diocese of Tucson schools as well as other private schools throughout the State of Arizona. It is our goal to provide opportunity for these students to earn an education centered in good morals, high academic standards, and faith-filled values made possible through scholarship assistance from tax credit dollars. To date, CTSO has awarded over 55,000 scholarships from revenue generated by the Private School Tuition Tax Credit as well as the Corporate Tuition Tax Credit that have been strongly supported by individuals and corporations whose generous contributions have made school choice possible in the State of Arizona. To all who have supported our mission…thank you!