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

Upcoming Events

Freshman Orientation August 16

Leo will open for freshman orientation on August 16, 2016. Sophomores, juniors and seniors will report to school on August 17.

School Calendar