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. Lanphier Invite Track

    Apr 25 11:00 am
    Lanphier High School
  2. Leo Lions Baseball at Seton

    Apr 25 11:00 am
    Seton Academy
  3. Varsity Baseball—St. Francis DeSales at Leo

    Apr 28 4:30 pm
    Leo High School
  4. Leo Lions Baseball at St. Francis DeSales

    Apr 29 4:30 pm
    St. Francis de Sales
  5. Varsity Baseball—St. Francis at Leo

    Apr 30 4:30 pm
    Leo High School