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

Cardinal Francis George

All of us at Leo High School are deeply saddened by the death of Cardinal Francis George. He was a man of God, a towering intellect and a great friend to our school. The kids put aside their normal Friday restlessness and were visibly moved when we announced his passing today. Cardinal George will remain Read more...

Ed Manzke ’62 to be inducted in the Catholic League Hall of Fame

Ed Manzke ’62, one of the great basketball players in Leo history, will be inducted into the Chicago Catholic League Hall of Fame on May 7. Manzke, known for his relentless energy and fierce competitiveness, played on the “heavies,” the Leo varsity, for three seasons under coach Jim Arenberg. He was team captain and an Read more...

Upcoming Events

School Calendar

  1. Lions Baseball at Seton

    Apr 20 4:30 pm
    Seton Academy
  2. Varsity Baseball—Seton at Leo

    Apr 22 4:30 pm
    Leo High School
  3. Leo Lions Baseball at St. Ignatius

    Apr 23 4:30 pm
    St. Ignatius
  4. Alumni Banquet on Friday, April 24

    Apr 24 6:30 pm
    Lexington House
  5. Lanphier Invite Track

    Apr 25 11:00 am
    Lanphier High School