Crystal Lake South High School Booster Club
  • Home
  • Important Dates
  • Dine out Nights
  • This is CLS!
  • Business Supporters
  • Documents
  • Giving back to CLS
  • Spirit Wear
  • Trivia Night 2026
  • Volunteer Opportunities
  • CLS Boosters Meetings
  • More
    • Home
    • Important Dates
    • Dine out Nights
    • This is CLS!
    • Business Supporters
    • Documents
    • Giving back to CLS
    • Spirit Wear
    • Trivia Night 2026
    • Volunteer Opportunities
    • CLS Boosters Meetings
Crystal Lake South High School Booster Club
  • Home
  • Important Dates
  • Dine out Nights
  • This is CLS!
  • Business Supporters
  • Documents
  • Giving back to CLS
  • Spirit Wear
  • Trivia Night 2026
  • Volunteer Opportunities
  • CLS Boosters Meetings

Important Dates!

Please join us for our monthly meetings in the CLS Booster's room (near the cafeteria) at 6pm. Enter to win our Booster meeting raffle prize!

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