By Miriam Jordan July 9, 2019 LAKE WORTH, Fla. — Dayvin Mungia, 7, arrived from El Salvador at South Grade Elementary in South Florida last year with, it seemed, no schooling at all. “He didn’t even recognize the first letter of his name,” said Nicol Sakellarios, his second-grade teacher, as the smiling boy gamely stumbled through his ABC’s in summer school not long ago. “Good job, my love,” she said, prodding him on as he faltered again and again... Read the New York Times article