A Brooklyn high school has become a haven for Hitler-loving hooligans who terrorize Jewish teachers and classmates, The Post has learned. On Oct. 26, just three weeks after the Oct. 7 Hamas massacre of 1,200 Israelis, 40 to 50 teens marched through Origins HS in Sheepshead Bay waving a Palestinian flag and chanting “Death to Israel!” and “Kill the Jews!” staffers said. The hateful procession was shocking even for Origins, a school rife with bias and bullying, insiders told The Post. “I live in fear of going to work every day,” said global history teacher Danielle Kaminsky. According to interviews...