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Welcome to Althoff Catholic High School

Annual Gala

60th Anniversary Opening Celebration

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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

Apply today to join our Crusader family!

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The Latest News

Annual Gala

Althoff Diamond Gala and Awards in Excellence Event Details:Saturday, March 2, 2024  ... Read More

Apply Today

The application for School Year 2024-2025 is now OPEN! We accept transfer students through Read More

Get Involved

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


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.