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Saint John the Baptist Diocesan High School in West Islip, NY

Find Saint John the Baptist Diocesan High School in West Islip, NY 11795 to get information on admission processes, tuition fees, teacher-student ratio, and curriculums.

  • Saint John the Baptist Diocesan High School
  • 1170 Montauk Highway, West Islip, NY 11795
  • 631-587-8000

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