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Plainfield South High School IL Alumni

Home Of The Cougars!

Welcome! Register as an alumni from Plainfield South High School and reunite with 2,171 classmates and old friends. Share your memories by posting photos or stories, or find out about your next class reunion!

Find Classmates in Your Graduating Class

Military Alumni

Military High School Alumni

Honoring Our Heroes

This area is dedicated to our alumni that have served or are serving in our armed forces!

Classmates Spotlight

Plainfield South High School Classmates

Ricardo Munoz
Class of '04

Plainfield South High School Class Reunions

FREE CLASS REUNION WEBSITES!

Post your Plainfield South High School class reunion information here and receive a free reunion planning website with the reunion tools you need for the perfect class reunion.

Alumni Stories

High School Alumni Stores

Read and submit stories about our classmates from Plainfield South High School, post achievements and news about our alumni, and post photos of our fellow Cougars.

School News

Plainfield High School Hockey Alumni Game

Plainfield High School Hockey will be hosting our 2nd annual Alumni Game. Being held at International Ice Centre/ Romeov...
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