Register as an alumni from Crystal Lake South High School (Crystal Lake Illinois) and reunite with 2,681 classmates and old friends. Share your memories by posting photos or stories, or find out about your next class reunion!
Class Yearbooks
Gators Football
Varsity Football Schedule 2026-27
08/20 vs Prairie Ridge
08/27 vs Central
09/03 vs McHenry
09/10 vs Huntley
09/17 vs Crystal Lake Central
09/24 vs Dundee‑Crown
10/01 vs Hampshire
10/08 vs Cary‑Grove
10/15 vs Jacobs
08/27 vs Central
09/03 vs McHenry
09/10 vs Huntley
09/17 vs Crystal Lake Central
09/24 vs Dundee‑Crown
10/01 vs Hampshire
10/08 vs Cary‑Grove
10/15 vs Jacobs
Recently Joined Gators
Jamie Brausen
Class of 2010
Class of 2010
Michelle Eck
Class of 2010
Class of 2010
Lynne Francis
Class of 1984
Class of 1984
Stephanie Lopez
Class of 2016
Class of 2016
Caroline Slezak
Class of 2016
Class of 2016
Rhiannon Rhiannon M Finley
Class of 1994
Class of 1994
Sean Madden
Class of 1979
Class of 1979
Perry Greene
Class of 1981
Class of 1981
Robert Ludwigsen
Class of 1997
Class of 1997
Erin Gard
Class of 2010
Class of 2010
Susan Hom
Class of 2000
Class of 2000
Sandy Pack
Class of 1982
Class of 1982
Crystal Lake South Yearbooks
Flip through class yearbooks or browse photo albums from classmates, and see what they look like now:
Crystal Lake South Apparel
Check out our huge selection of Gators spiritwear, including shirts, shorts, accessories and much more!
Gators PRIDE
Crystal Lake South High School Apparel
Crystal Lake South High School Obituaries
