Thousand Islands High School - Class of 2021 Alumni, Clayton NY
Join thousands of alumni from Thousand Islands High School and the Class of 2021. Reconnect with classmates, photos, yearbooks, upcoming reunions.
Varsity Football Schedule 2026-27
09/03 vs Waterville
09/10 vs Frankfort‑Schuyler
09/18 vs New York Mills
09/23 vs Clinton
10/01 vs Sherburne‑Earlville
10/09 vs OnTech Charter
10/15 vs M‑E/Madison/Stockbridge (Morrisville‑Eaton)
10/22 vs South Lewis
09/10 vs Frankfort‑Schuyler
09/18 vs New York Mills
09/23 vs Clinton
10/01 vs Sherburne‑Earlville
10/09 vs OnTech Charter
10/15 vs M‑E/Madison/Stockbridge (Morrisville‑Eaton)
10/22 vs South Lewis
Upcoming Class of 2021 Reunions
Browse past reunion events and photos for your class here.Past Class of 2021 Reunions
Browse past reunion events and photos for your class here.Thousand Islands '21 Apparel
Browse our apparel store for a wide range of Vikings gear, from t-shirts and hoodies, to caps and accessories.
Class Yearbook
View past yearbooks
Recently joined '21 Classmates
Madison Lalonde
Class of 2021
Connect with Class of 2021 Classmates
Nearby Thousand Islands Classmates
Class of 2019
9 classmates have joined
Class of 2020
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Class of 2022
2 classmates have joined