Admin

Diocesan High Schools

Holy Trinity Diocesan High School
98 Cherry Lane
Hicksville, NY 11801
Ph: 516-433-2900
Fax: 516-433-2827
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1170 Montauk Hwy
West Islip, NY 11795
Ph: (631) 587-8000
Fax: (631) 587-8996
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