Home Of The Gators!
Welcome back all Crystal Lake South High School Alumni! Register here and reunite with friends, plan those high school reunions, and share memories.
Recognizing Our Military Alumni
Steve Olson
Class of '95
Years served:  12 years
Branch:  Air Force
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Guess Who!
Can you recognize these classmates from some of our members' recent photos...
Class Photos
Search our pages for photos from reunions or any other images that fellow classmates have uploaded for Crystal Lake South High School - Illinois IL
Crystal Lake South
Football Season Sale!
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Classmate Spotlight
Jennifer Snatchko
Class of '98
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High School News & Scores:
Crystal Lake South Alumni in Illinois - IL
CLS Alumni Needs Your Vote
Posted Apr 15 ,2009
CLS Alumna Kelly P. needs your votes for a Upromise scholarship. Please vote for her here:
http://www.tinyurl.com/schol...
Wall of Fame
Read and submit stories about the achievements of our classmates' who came from Crystal Lake IL - Illinois.
Class Reunion Survey
Take your class reunion survey now and help your classmates plan a better high school reunion.
10 Year Reunion, 20 Year Reunion, 25 Year Reunion, 30 Year, 35 Year, 40 Year
Lost Class Rings
Crystal Lake South High School in IL, lost & found rings page.
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