HeWittSchool.org
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The Hewitt School Mailing Address 45 East 75th Street, New York, NY 10021 The Hewitt School 45 East 75th Street, New York, NY 10021 Ph. (212) 288-1919 Fax (212) 472-7531 McKelvey Lower School 3 East 76th Street, New York, NY 10021 Ph.