New York Consolidated Laws, Education Law - EDN § 4810. Quarantine

A pupil committed to the school either by court or school authorities upon being received shall be kept separate and apart for a period of not less than seven days.  During this time a complete physical and mental examination of such child shall be made by qualified physicians.  Such physicians shall make reports in writing to the superintendent stating fully the results of such examinations;  such reports shall be kept on file by the superintendent in proper and systematic order.

During the period of such quarantine the superintendent and teachers shall give special attention to the pupil with a view of obtaining knowledge of the child and gaining his confidence.