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THE FUTURE IS YOU!

Our mission at Althoff High School is that we are called by Jesus Christ to educate young people, in the Catholic tradition, to lead successful, faith-filled lives. Our vision for generations to come, is that Althoff High School will be a vibrant, Christ-centered community for young men and women. We will be the school of choice for families who know that academic rigor and faith formation in a small, family-like environment, right here in our own community, is what is best for their child. To accomplish this vision and mission, we rely on the support of our community partners, families, and foundations.

Explore the many ways that you can support the students and staff at Althoff Catholic High School to stay spiritually and fiscally strong.

The Cost To Educate A Student

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Althoff Catholic High School
today
This year we are excited to introduce a new awards ceremony that will honor supporters, alumni, and current students. Legacy and Light, The Crusader Spirit Awards Ceremony, allows us to honor the legacy that guides us and the light that leads us forward. The ceremony will take place on April 26 at 2:00 p.m. at Heritage Hall. Nominations are due by April 14 and can be submitted via the Althoff Website by clicking the Alumni tab and then the Hall of Inspiration tab. Distinguished Alumni Award will recognize the accomplishments of an Althoff Catholic High School or Associate alumnus whose exceptional achievements in their faith, profession, and community have had a profound and lasting impact. Rising Star Award will recognize the accomplishments of a recent graduate (within the past 15 years) of Althoff Catholic High School. Crusader Spirit & Excellence Award will recognize a friend of Althoff Catholic High School who has enriched the Crusader mission through their volunteerism and continuously shows outstanding enthusiasm, loyalty, and pride of ACHS. Salute to Catholic Education Award will recognize a Catholic educator who has dedicated their life to educating young people in the Catholic tradition to lead successful, faith-filled lives.
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Althoff Catholic High School
today
Althoff Catholic will be closed starting today for Easter! We will be back on Tuesday, April 7th.
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Althoff Catholic High School
today
Join the Althoff Catholic Parents & Friends Club for a fun-filled evening of tunes, trivia, and teamwork! Gather your crew for Music Trivia Night on Saturday, April 18th, 2026 at Heritage Hall, Althoff Catholic High School, 5401 W. Main St., Belleville, IL. $200/table (up to 10 players). Tickets on sale now at givebutter.com/PAFC-musictrivia2026 Doors open at 6:15 PM, trivia starts at 7 PM. Cash prizes, cash bar (no outside alcohol please), raffles and more. Please BYO trivia snacks! Bring your best music knowledge—and your dancing shoes—for a night of laughter, competition, and Crusader spirit!
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Althoff Catholic High School
1 day ago
We were happy to welcome these new Crusaders to the family before Easter break!
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5401 W Main St.
Belleville, IL 62226
Main Office: 618.235.1100
Fax: 618.235.9535
info@althoffcatholic.org

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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.

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