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

We are proud of our Leo graduates

The stately old church at St. Margaret of Scotland Parish was filled to near capacity with friends, family members and participants themselves as Leo High School celebrated its 86th Commencement on Sunday, May 31. What the 21 member class lacked in numbers, they made up for in exuberance as they shared their enjoyment of an Read more...

A Letter to our Graduates from the Alumni Association

Dear Graduates, We would like to congratulate  you on your recent graduation from what many of us regard as the finest educational institutions in existence. It is at this point that you transform from graduate to alumnus and the Leo High School Alumni Association proudly welcomes you. As a remembrance  of your time at Leo, Read more...

Leo Track Stars

Strong showings by the jumpers and in the weight events helped the Leo Lions defend their title in the IHSA Class A track and field sectional meet at Benedictine University in Lisle on Friday, May 22. Senior Latrell Giles was the Lions’ only individual winner, taking first place in the long jump with a leap Read more...

Leo Baseball Team Advances to 2nd Round

The Leo High School baseball team used a 12-hit attack to advance to the second round of the Leo-hosted IHSA Class-A Baseball Regional with a 13-9 victory over Seton at the Kroc Center on Monday, May 18. Leo will face Hales in the second round at 4 p.m. on Thursday, May 21. Morgan Park Academy Read more...

Dave Leitao, DePaul basketball coach, to speak at graduation

Dave Leitao, rehired in March as DePaul University men’s basketball coach, will be the commencement speaker at Leo High School’s 2015 graduation ceremony, school President Dan McGrath announced. Leo’s Class of 2015 will graduate from St. Margaret of Scotland Church, at 99th and Throop, on Sunday, May 31 at 2 p.m. Leitao was DePaul’s most Read more...

Upcoming Events

Leo Alumni Picnic August 1

Leo H.S Alumni Picnic: Saturday, August 1st at Dan Ryan Woods: 12:00 until dawn. All Classes,  All Families, All Friends. A Great Time For Everyone! 

Orange & Black Scrimmage

Orange & Black Preseason Football Scrimmage/Picnic – Saturday August 22nd – Scrimmage: 8:00a.m to 11:00a.m  at Kroc Center / Picnic: 12:00 to 4:00 at Leo H.S.

School Calendar

  1. Leo Alumni Picnic

    Aug 1 12:00 pm
    Dan Ryan Woods
  2. Orange & Black Football Scrimmage and Picnic

    Aug 22 8:00 am
    Kroc Center
  3. Football Opening Game

    Aug 28 5:00 pm
    Kroc Center