Onyx At Boarding Schools

There are 5 boarding schools offering onyx as an extracurricular activity.

Onyx Boarding Schools

  • School Location Grades Students
  • 49 Clinton Avenue
    Dobbs FerryNY 10522
    (914) 479-6420

    Grades: 9-12 | 5-12 (day) | 499 students
  • 170 Centre Street
    MiltonMA 02186
    (617) 898-2227

    Grades: 9-12 | K-12 (day) | 722 students
  • 350 Noxontown Road
    MiddletownDE 19709
    (302) 285-4231

    Grades: 9-12 | 306 students
  • St. Paul's School
    St. Paul's School Photo - SPS 1
    (Episcopal)
    325 Pleasant Street
    ConcordNH 03301
    (603) 229-4700

    Grades: 9-12 | 544 students
  • Westtown School
    Westtown School Photo - Main building
    (Society of Friends)
    975 Westtown Rd
    West ChesterPA 19382
    (610) 399-7900

    Grades: 9-12 | Pre-K-12 (day) | 372 students
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