THHS (THHS) Class of 2018 Alumni List

Help us Update the THHS 2018 Class List by adding any names missing from the list below:

2018 Class List

Know THHS Class of 2018 graduates that are NOT on this List? Help us Update the 2018 Class List by adding missing names.

Reunions and Trabuco Hills High School News

More 2018 alumni from Trabuco Hills HS have posted profiles on®. Click here to register for free at® and view other 2018 alumni.


The Trabuco Hills High class of '18 alumni are listed below. These are former students from Trabuco Hills in Mission Viejo, CA who graduated in 2018. Alumni listings below have either been searched for or they registered as members of this directory.

While you are reminiscing about the times you spent in high school at Trabuco Hills High School, you should also check out alumni photos, yearbook listings and share any reunion info if possible.