Williamsville South High School - Class of 2021 Alumni

Join thousands of alumni from Williamsville South High School and the Class of 2021. Reconnect with classmates, photos, yearbooks, upcoming reunions.

Varsity Football Schedule 2026-27

09/03 vs Lake Shore
09/09 vs Lewiston Porter

'21 Reunion Info

Class of '66 Winter Mini-Reunion

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Williamsville South '21 Apparel

Browse our apparel store for a wide range of Billies gear, from t-shirts and hoodies, to caps and accessories.

Class Yearbook

View past yearbooks

Recently joined '21 Classmates

Kayla Schmidt
Class of 2021

Nearby Williamsville South Classmates

Class of 2019

3 classmates have joined

View Class of 2019 Alumni

Class of 2020

3 classmates have joined

View Class of 2020 Alumni

Class of 2023

2 classmates have joined

View Class of 2023 Alumni