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Staff Email - Mark Gelsthorpe

Staff Email - Mark Gelsthorpe

Althoff Catholic High School Footer Logo for Althoff Catholic High School

5401 West Main St. Belleville , IL 62226

618-235-1100

info@althoffcatholic.org

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© 2026 Althoff Catholic High School All Rights Reserved

Althoff Catholic High School admits students of any race, color, national and 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 and 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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