Enrich your life by deepening your knowledge of the faith! Studying the faith prepares you to share your knowledge with others and integrate your faith in everyday life. Take the first step and sign up for a class today!

Founded in 1983 as the first catechetical institute in the United States to award the Catechetical Diploma by correspondence, CDU has educated laity, clergy, directors of religious education, catechists, and parish leaders for over 30 years.

All CDU courses and seminars are offered online so you can study where and when you choose from the convenience of a digital device or laptop. The only prerequisite to taking a continuing education course is a desire to grow in your knowledge of the Faith.



Three-Week Seminars
Learn more about a fascinating topic of your choice by taking a three-week online seminar. Review a weekly lecture and participate in an online discussion at your convenience.

Online Independent Study Courses
Independent study courses equip you to become a lifelong learner prepared to change the world. Take a single course or all of the courses in a series — Catechism of the Catholic Church, American Catholic History, Constitutions of Vatican II, and the Life in Christ Morality Series.

Non-Credit Continuing Education Certificates
CDU offers a number of noncredit certificates that provide a systematic approach to the study of Catholic doctrine and other topics.

  • Basic Certificate in Apologetics
  • Certificate in the Catechism of the Catholic Church
  • Basic Certificate in Catechetics
  • Advanced Certificate in Catechetics
  • Basic Certificate for Catholic Educators
  • Basic Certificate in Christian Morality
  • Basic Certificate in New Testament
  • Basic Certificate in Old Testament
  • Basic Certificate in Prayer and Spirituality
  • Basic Certificate in Vatican II
  • Basic Certificate in Church History
  • Basic Certificate in Sacred Scripture

“I am loving this course very much. The CDU independent study courses are a perfect fit…and I am so thankful to God for this opportunity to take this course!” — Kay Vovo, Continuing Education Student