LEO.
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

Upcoming Events

Annual Alumni Golf Outing

Our Annual Alumni Golf Outing, at Gleneagles Country Club in Lemont, will take place on August 3.

School Calendar

Leo Summer Events

Watch this space for updates on all the Leo summertime activities.