The largest single gift to any girls’ independent school—$31 million—has been bequeathed to Chatham Hall by alumna Elizabeth Beckwith Nilsen. “To the best of my knowledge, that is the largest single donation to an independent girls’ school in the country,“ said Susanne Beck, executive director of the National Coalition of Girls’ Schools. “And keep them coming.“ The Council for Advancement and Support of Education confirmed the distinction.