The Aquinas Way

Part of the world-wide Order of Preachers and following in the footsteps of Saint Dominic, we are a Catholic, Dominican, graduate school of theology in Saint Louis Missouri. We send out graduates, lay and religious, grounded in the teachings of Saint Thomas Aquinas, to preach the gospel in word and deed. 

The Aquinas Way

Discover the Aquinas Way and what makes our Dominican, Catholic graduate education at Aquinas Institute like no other. 


Explore and receive additional information about our academic programs


Start your theological education and begin your application. 

Experience our Community

Feel at home while integrating study and faith.

The Order of Preachers

Hear from the Dominicans and learn about our mission of preaching.


Make a difference and support the students at Aquinas Institute. 

“Go into all the world and proclaim the good news to the whole creation."

Aquinas Institute Snapshot


Fully Funded Aquinas Scholarships available for full-time students in our M.A. Theology, M.A. Pastoral Studies, and Master of Divinity Programs.


Situated adjacent to the large and beautiful campus of Saint Louis University, our students have access to all the academic resources of a major Catholic university while studying with the Dominicans in their House of Studies. 


For over 95 years Aquinas Institute has been educating Church leaders in the tradition of St Thomas Aquinas.


We are focused entirely on Catholic graduate education. Therefore, we boast a strong student to faculty ratio and offer faculty well regarded for their scholarship and teaching. 


Aquinas Institute offers 8 degree programs at the graduate level, the only Doctor of Ministry in Preaching at Catholic school, as well as three graduate certificate programs. 


As a Catholic graduate school of theology, Aquinas Institute carries forward an 800 year tradition of the Order of Preachers.