Alumni Relations: htalumni@holytrinityhs.org
Blood Drive: giveblood@holytrinityhs.org
Daily Announcements: dannouncements@holytrinityhs.org
Driver Education: drivered@holytrinityhs.org
Library: htlibrary@holytrinityhs.org
Parent Portal: parentportal@holytrinityhs.org
Prayer Requests: prayers@holytrinityhs.org
Prism (school literary magazine): htprism@holytrinityhs.org
Trinity Triangle (school newspaper): trinitytriangle@holytrinityhs.org
Tuition: httuition@holytrinityhs.org