Ten years ago, when he was still a reporter for NPR’s All Things Considered, host Ira Glass did a year-long series on a Chicago public school where things were getting better. Test scores were rising. Students were motivated. Last year, changes at the school dismantled some of the programs that had made for the school’s success, and one of the best teachers in the school is thinking about quitting. We devote the whole hour to this story, about the rise and fall of school reform.