I CAUGHT A HOMELESS BOY WATCHING MY CALCULUS CLASS THROUGH THE WINDOW, SHIVERING IN THE FREEZING COLD WITH NO SHOES, SCRIBBLING ON A DIRTY NAPKIN, AND WHEN I STEPPED OUTSIDE TO CONFRONT HIM, I SAW A MATHEMATICAL IMPOSSIBILITY THAT FORCED ME TO BREAK EVERY PROTOCOL, RISK MY TENURE, AND FIGHT THE ENTIRE SCHOOL BOARD TO SAVE A GENIUS WHO THE WORLD HAD THROWN AWAY LIKE TRASH
PART 1: The Ghost at the Window I have been teaching AP Calculus for twenty years. You get to a point where you think you’ve seen it all. You can tell which kids are going to Ivy Leagues, which ones are just trying to pass to keep their parents off their backs, and which ones…