Plainfield South High School - Class of 2003 Alumni
Join thousands of alumni from Plainfield South High School and the Class of 2003. Reconnect with classmates, photos, yearbooks, upcoming reunions.
Varsity Football Schedule 2026-27
08/20 vs Pekin
08/27 vs Andrew
09/03 vs Romeoville
09/10 vs Joliet West
09/17 vs Oswego
09/24 vs Plainfield East
10/01 vs Yorkville
10/08 vs Plainfield Central
10/15 vs Joliet Central
10/29 vs Sectional (TBD)
11/05 vs Sectional Championship (TBD)
11/12 vs Regional (TBD)
11/19 vs Semi‑State (TBD)
11/26 vs State Finals (Lucas Oil Stadium)
08/27 vs Andrew
09/03 vs Romeoville
09/10 vs Joliet West
09/17 vs Oswego
09/24 vs Plainfield East
10/01 vs Yorkville
10/08 vs Plainfield Central
10/15 vs Joliet Central
10/29 vs Sectional (TBD)
11/05 vs Sectional Championship (TBD)
11/12 vs Regional (TBD)
11/19 vs Semi‑State (TBD)
11/26 vs State Finals (Lucas Oil Stadium)
'03 Reunion Info
CLASS OF 2020 REUNION
Please come and join this amazing event where class of 2020 is going to be graduating!
View Details →Plainfield South '03 Apparel
Browse our apparel store for a wide range of Cougars gear, from t-shirts and hoodies, to caps and accessories.
Class Yearbook
View past yearbooks
Connect with Class of 2003 Classmates
Nearby Plainfield South Classmates
Class of 2001
4 classmates have joined
Class of 2002
4 classmates have joined
Class of 2004
136 classmates have joined
Class of 2005
154 classmates have joined