This program gives students a solid foundation for college studies, and fulfills all the requirements for admittance into the Illinois University System.

Students in the Honors Program are expected to have a higher standard of learning ability above and beyond College Prep coursework.

Marquette Catholic offers Advanced Placement (AP) courses in Literature, Composition, Calculus, Chemistry, Physics, Economics and U.S. Government.

College credit is often awarded to students who pass these national exams at the discretion of the university they attend.

They beat Mount Carmel in 1980 and Aurora Central Catholic in 1984 to capture the Class A State Championship twice during the 1980s.

In 2012 DeCourcey was elected into the Illinois High School Baseball Coaches Hall of Fame.

Also in 2012, under Coach Joe Silkwood, the team won the Springfield 1A Super-Sectional on a walk-off single by Austin Siener, qualifying them for the state tournament.

The girls' soccer team won the 2011 IHSA Class 1A State Championship with a 19-5-1 record in the 13th season under head coach Robert Moginot.