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New Saint Thomas Institute Today

Please watch our short welcome video from Taylor Marshall, Ph.D. as he shares how thousands of Christians in over 50 nations are discovering Catholic theology and earning a Certificate in Catholic Philosophy, Theology, Apologetics, and/or Church History through the New Saint Thomas Institute.

Do you work for a parish, school, or apostolate? Check out our Discounted Group Plans below!

Registration Closes Soon

Great news: We are currently registering new Student Members!


If you see this message, then you currently have access to register as a Member of the New Saint Thomas Institute with our Priority Enrollment sale price for Certification tuition, and the bonuses listed on this page. If you pay your tuition annually rather than monthly, you save an additional $94 (2 months free).


When spots are full, we will close enrollment. We have never not filled the spots. They always sell out.

All plans include a 21 day money-back guarantee if you are not 100% delighted in the NSTI. Please hover over each description below for the full details.

Maggie Melchior

“I’ve been with the New Saint Thomas Institute for two months now and it’s amazing! Highly recommended; I’m so glad I signed up! Beyond worth the very reasonable monthly tuition!”

Maggie MelchiorCharter Premium Member of NSTI
J Griffith

“I signed up for the New Saint Thomas Institute; best decision I could have made to help my faith. Well done.”

J GriffithCharter Premium Member of NSTI
Adam Anderly

“The New Saint Thomas Institute allows me to go deeper in my knowledge of philosophy and theology without having to go back to school to pursue an advanced degree.”

Adam AnderlyManaging Partner, Saint Systems
Lois Gribneau

“The New Saint Thomas Institute offers interesting content, inspiration for the spiritual journey, and challenge for the inquiring mind. It never fails to offer insight in the dance of gradually becoming the person I was created to be. Without reservation, I recommend this program to anyone who is serious about their faith.”

Lois GribneauCharter Premium Member of NSTI
Brother Brad Elliott, O.P.

“I want to congratulate you on the creation of the absolutely magnificent New Saint Thomas Institute. Let me stress how impressed I am with the Institute and the many resources I have seen so far. Thank you for popularizing St. Thomas and being an advocate for sound theology online. This is exactly what the Church needs at this moment in history.”

Brother Brad Elliott, O.P.Dominican Student Brother
Michele McAlister

“Thank you. This Institute is absolutely wonderful and is such a blessing. NSTI came into my life at the perfect time. I will forever be a student (and/or teacher) of Theology, Philosophy, & History. St. Thomas Aquinas has proven to be whom God wants me to learn & relearn my Catholic Faith…and thank goodness too! God Bless!”

Michele McAlisterStudent of Saint Thomas Aquinas

Do you wish you had the intellectual edge so you could provide logical and well-researched answers to the questions of your family, friends, and coworkers?
If so, the New Saint Thomas Institute is your solution. You need advanced training from a professor who both lives and explains what he teaches.
For less than $1 a day, you can receive the benefits of a higher education – without having to spend years or thousands of dollars to get it.
The average tuition cost at a conservative catholic university is $2,100 / course and that doesn’t include your books and fees. Our plans are 97-98% less expensive and we offer a full 21 day money back guarantee.
At the New Saint Thomas Institute, you can spend as much or as little time as your schedule permits. 30 minutes per week is average for our Member students.