College Fair - Holy Trinity Diocesan High School in Hicksville NY Tweet Cost: FREE Save this Event: iCalendar Google Calendar Yahoo! Calendar Windows Live Calendar Share this Event: Email to a Friend More... Wednesday, 15 April, 2015 07:00 PM - 09:00 PM Holy Trinity Diocesan High School Contact: Admissions Office Phone: 888-727-2686 Website: Click to Visit Categories: Admissions Holy Trinity Diocesan High School 98 Cherry Ln Hicksville, NY 11801-6232 US