New York — Michael Gallin, a 34-year-old math teacher at KAPPA International High School in the Bronx, was winding his way through the cluttered aisles of his algebra classroom listening for sighs of frustration.One girl was sitting glumly by the…
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New York — Michael Gallin, a 34-year-old math teacher at KAPPA International High School in the Bronx, was winding his way through the cluttered aisles of his algebra classroom listening for sighs of frustration.One girl was sitting glumly by the…