‘This is not sustainable’: Families with young kids are fleeing NYC’s high cost of living, and the schools are emptying out

If you were lucky enough to grow up in the New York City school system, you more likely than not came across the story of Claudia and Jamie Kincaid in the children’s classic The Mixed-Up Files of Mrs. Basil E. Frankweiler, in which the two young children, yearning to leave their self-described dull Connecticut suburb, make their way to New York City and hide out in the Met Museum. And if you were lucky enough to have grown up in New York, you didn’t have to imagine the wonder and awe…