“My favorite part of Gibault is the family type atmosphere.”
Dennis Rueter Assistant Principal/Athletic Director
Dennis Rueter is a math instructor at Gibault Catholic High School. Dennis was first hired in 1980 and over the years held many roles ranging from math teacher to Dean of Students. After a enjoying a few years of retirement from the classroom, Dennis returned to our math department in the Fall of 2022 as a geometry teacher. Dennis is best known to the Gibault community as our longtime boys’ basketball coach. Dennis holds a Bachelor’s Degree in Math from Easter Illinois University.