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Diocese of Rockville Centre Education Department
Diocese of Rockville Centre Education Department
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Diocesan High Schools
Holy Trinity Diocesan High School
98 Cherry Lane
Hicksville, NY 11801
Ph: 516-433-2900
Fax: 516-433-2827
McGann-Mercy High School
1225 Ostrander Ave
Riverhead, NY 11901
Ph: (631) 727-5900
Fax: (631) 369-7328
St. John the Baptist Diocesan High School
1170 Montauk Hwy
West Islip, NY 11795
Ph: (631) 587-8000
Fax: (631) 587-8996
Diocesan High Schools
Holy Trinity Diocesan High School
McGann-Mercy High School
St. John the Baptist Diocesan High School
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