Horizon High School - Class of 2021 Alumni, Thornton CO

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

Varsity Football Schedule 2026-27

08/27 vs Legacy
09/03 vs Mountain Range
09/09 vs Northglenn

'21 Reunion Info

Class of 2000 - 15 Year Reunion

We had a great time at our 10 year, so we thought why not have another get together and celebrate 15 years post graduati...

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Horizon '21 Apparel

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

Class Yearbook

View past yearbooks

Connect with Class of 2021 Classmates

Jace Kohl

Barbara Palki

Jamie Fox

Nearby Horizon Classmates

Class of 2020

6 classmates have joined

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Class of 2023

3 classmates have joined

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