Where Young Men Learn To Be Leaders.

Excellence in Catholic Education since 1926

Become a Leo man

Leo has adopted a rolling admissions policy. If you're interested in the placement test, call Mr. Michael Holmes, Leo Admission Director, at 773-224-9600 ext. 212.

Leo Men in the News

Our Track Team

The season is closing with a rush for the Leo track team, which will take part in the Catholic League...Read More

Senior Prom

The Mystic Blue, a Navy Pier-based tour ship that takes passengers on dinner cruises out on Lake Michigan, was the...Read More


Six Leo student-athletes signed scholarship agreements on Wednesday, April 13 to continue competing at the collegiate level. The signees are...Read More

Upcoming Events

IHSA Track Finals May 28

The meet is at Eastern Illinois University, 600 Lincoln Avenue in Charleston, IL. Meet begins at 11 am.