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Welcome to Althoff Catholic High School

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Explore student life as a Crusader!

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Learning Starts Here

A learning community dedicated to building respectful and responsible citizens and empowering all learners.

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Academic Excellence

Learn how we prepare your student for the future!

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Find out what being a Crusader is all about. Request more information today!

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Join the Family

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The Latest News

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2025-26 application is NOW OPEN! We accept transfer students throughout the school year. A Read More

Get Involved

See how you can become part of our volunteer community & get involved with different g Read More

Welcome!

We are happy you came! Look through our site and please let us know if you have any questions or if you'd like to set up a tour. We would love for you and your student to join our family!

Our Mission

We are called by Jesus Christ to educate young people, in the Catholic tradition, to lead successful, faith-filled lives.