Ever Pursuing Excellence
We believe education is the foundation for a bright future. Our mission is to inspire every student to reach their full potential through a safe, nurturing, and dynamic learning environment.
News & Announcements
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Both 2025-26 and 2026-27 applications are open! We accept transfer students throughout the school year. Apply Today! -
Apply for 2025 now! Financial aid for the 2026-27 school year will open in January 2026.
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Visit us on Sunday, October 19 at 1 p.m. Sign up now! Meet with staff and students to learn about our school family.
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See how you can become part of our volunteer community and get involved with different groups and projects!
Excellence Since 1964
Welcome to Althoff Catholic. Since 1964, Althoff Catholic has been shaping young minds and hearts in a supportive, family-like environment. Here, students discover their talents, grow their passions, and develop as whole individuals—body, mind, and soul.
Althoff Catholic High School admits students of any race, color, national, or ethnic origin to all the rights, privileges, programs, and activities generally accorded or made available to students at the school. It does not discriminate on the basis of race, color, national, or ethnic origin in administration of its educational policies, admissions policies, scholarship and loan programs, and athletic and other school-administered programs.
Upcoming Events
October 15 - Wednesday
October 16 - Thursday
October 19 - Sunday
October 25 - Saturday
October 26 - Sunday
October 27 - Monday
October 31 - Friday
November 6 - Thursday
November 12 - Wednesday
November 13 - Thursday
November 25 - Tuesday
November 26 - Wednesday
November 27 - Thursday
November 28 - Friday
December 3 - Wednesday
December 7 - Sunday
December 8 - Monday
December 17 - Wednesday
December 18 - Thursday
December 20 - Saturday
07:30 PM - 10:00 PM
December 22 - Monday
December 23 - Tuesday
December 24 - Wednesday
December 25 - Thursday
December 26 - Friday
December 27 - Saturday
December 28 - Sunday
December 29 - Monday
December 30 - Tuesday
December 31 - Wednesday
January 1 - Thursday
January 6 - Tuesday
January 7 - Wednesday
January 8 - Thursday
January 10 - Saturday
January 11 - Sunday
January 12 - Monday
January 13 - Tuesday
January 14 - Wednesday
January 17 - Saturday
January 18 - Sunday
January 20 - Tuesday
January 21 - Wednesday
January 22 - Thursday
January 23 - Friday
January 27 - Tuesday
January 28 - Wednesday
January 29 - Thursday
February 2 - Monday
February 4 - Wednesday
February 11 - Wednesday
February 16 - Monday
February 18 - Wednesday
February 19 - Thursday
February 23 - Monday
February 25 - Wednesday
February 26 - Thursday
February 27 - Friday
March 3 - Tuesday
March 4 - Wednesday
March 5 - Thursday
March 6 - Friday
March 7 - Saturday
March 9 - Monday
March 18 - Wednesday
March 20 - Friday
March 23 - Monday
April 2 - Thursday
April 3 - Friday
April 4 - Saturday
April 5 - Sunday
April 6 - Monday
April 9 - Thursday
April 10 - Friday
April 11 - Saturday
April 12 - Sunday
April 16 - Thursday
April 20 - Monday
April 22 - Wednesday
April 24 - Friday
April 25 - Saturday
April 27 - Monday
April 29 - Wednesday
May 2 - Saturday
May 3 - Sunday
May 5 - Tuesday
May 6 - Wednesday
May 7 - Thursday
May 8 - Friday
May 16 - Saturday
May 20 - Wednesday
May 21 - Thursday