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Welcome to Althoff Catholic High School

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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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The Latest News

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

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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!

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Our Mission

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