(Combined Sources) Northfield Mount Hermon School conducted another round of Covid testing this past weekend and yesterday announced that a third student has tested positive. The student had close contact with two other students who tested positive late last week. On Friday, all students attended class remotely and NMH will not resume in-person instruction for non-quarantined students until tomorrow, November 4. Those who came in contact with students who tested positive will be in quarantine for 14 days.