Horizon High School - Class of 2020 Alumni, Thornton CO

Join thousands of alumni from Horizon High School and the Class of 2020. 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

'20 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 '20 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 2020 Classmates

Kendall Castonguay

Meg Kelly

Eric Dominguez Dominguez

Logan Palki

Madeline Carlson

Lizzy Andrew Martinez

Nearby Horizon Classmates

Class of 2018

6 classmates have joined

View Class of 2018 Alumni

Class of 2021

3 classmates have joined

View Class of 2021 Alumni