Tri-county High School Alumni

Plainfield, Wisconsin (WI)

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Tri-county High School Alumni, Plainfield WI

Home Of The Penguins!

Welcome! Register as an alumni from Tri-county High School and reunite with 1,432 classmates. Get access to alumni profiles, photos, upcoming reunions, yearbooks. Get in touch with your old friends through messaging, or browse our class obituaries.

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

Tri-county High School Classmates

Stacey Carlson
Class of '01

Tri-county High School Class Reunions


Post your Tri-county 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 Tri-county High School, post achievements and news about our alumni, and post photos of our fellow Penguins.