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RatioChristi
Apologetics for High School

Preparing high school students is crucial to stop our youth from leaving the church in college. Learn more about how apologetics can make a difference.

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Professor Evangelism

Learn more about the largest network of Christian professors using apologetics to change the university campus.

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College/University Clubs

The college and university campus is the heart of Ratio Christi’s mission. Start here to learn more.

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International Efforts

Our mission extends past the borders of the United States. See how Ratio Christi is using apologetics to change the world.

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About Us

Learn more about Ratio Christi’s mission of effective evangelism through apologetics.

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Gene Calderon

Send a Note Start a Campaign
Welcome to our Ministry Partner site! Our ministry on campus is made possible thanks to the generous support of ministry partners like you. Just as the apostle Paul had ministry partners, all staff members of Ratio Christi are required to develop a group of partners for their work with Ratio Christi. At Ratio Christi, we want to get to know our partners, pray for them, and share updates of the impact your gifts make in the lives of students. It is easy to partner in ministry with Ratio Christi through recurring and special gifts made by credit or debit cards, or by a secure electronic transfer from your bank. Enter an amount in the box above to make your gift today.

Give to Their Chapter

Welcome to our Ministry Partner site! Our ministry on campus is made possible through the generous support of ministry partners like you. At Ratio...

If you prefer to mail a check, please make it out to Ratio Christi. Please include the missionary’s name in the memo line. 

Ratio Christi
P.O. Box 10907
Merrillville, IN 46410

Please note: According to IRS rules, contributions are solicited with the understanding that Ratio Christi has complete discretion and control over the use of all donated funds.