Horizon High School Alumni
Thornton, Colorado (CO)
Tom Koscielny
Horizon High School
Class of 1999
→ Join 2923 Alumni from Horizon High School that have already claimed their alumni profiles.
→ There are 46 classes, starting with the class of 1900 all the way up to class of 2025.
Class of 1999 Alumni
→ Reunite with 149 class of 1999 alumni that have joined.
Nicole Kiesel
Class of 2010
Nicholas Nicholas Carson
Class of 2005
Mike Roch
Class of 2002
Gabriela Sosa
Class of 2006
Christopher Greiner
Class of 2001
Jeremy Arnold
Class of 2009
Darren Herman
Class of 2005
Elisabeth Hubbard
Class of 2006
Trisha Quint
Class of 1995
Ann Vanderhelm
Class of 2004
Blanca Ortiz
Class of 2002
Keanu Lynn
Class of 2013
Maly Voung
Class of 2000
Krystal Watts
Class of 1998
Joshua Robertson
Class of 2001
Lisa Herman
Class of 1992
Lindsay Arnold
Class of 2005
Kristen Windholz
Class of 2006
Recent Class of 1999 Reunions
Plan a Class of 1999 Reunion for Free
Class of ‘99 20 Yr Reunion
Invited Classes: 1999
Date: Jun 29, 2019
Description: Time to party!! Hope to see you all soon!
Class of 2000 - 15 Year Reunion
Invited Classes: All Classes
Date: Jul 24, 2015
Description: We had a great time at our 10 year, so we thought why not have another get together and celebrate 15 years post graduati...(read more)
Horizon High School 10 year Reunion Class of 1999
Invited Classes: 1999
Date: Aug 15, 2009
Description: ***We need email addresses*** The invitations for both events have been sent by email. If you need the invitation still,...(read more)