[3] Founded in 1963 as an all-male institution, the school became co-ed in 2002 and today educates over 1,700 young students each year.

[4] In the early 1960s, the Christian Brothers of Ireland were asked by Cardinal Albert Gregory Meyer to operate an all-male high school on the far southwest side of Chicago, on land surrounded by St. Casimir Lithuanian Cemetery at the corner of 115th Street and Pulaski Road.

[6] In the mid-1990s, the Marist community decided to begin a transition from the school's original mascot and nickname, Redskins, to a less controversial one.

In their fourth year, students may opt out of traditional coursework and fulfill their graduation requirement through work in community service or in peer leadership.

Peer leadership offers seniors the opportunity to work within a classroom aiding teachers and other students.

[7] Seventeen different AP classes are offered in: English Language and Composition, English Literature and Composition, Calculus (both AB and BC), Biology, Chemistry, Physics (C), U.S. History, European History, U.S. Government and Politics, Psychology, Computer Science (A), Art History, Studio Art, French Language and Spanish Language[7] Marist sponsors the following sports for both boys and girls, all of which are governed by the Illinois High School Association (IHSA): basketball, bowling, cross country, golf, soccer, track & field, volleyball, and lacrosse.