Success Academy is best known for its sky-high test scores. Supporters credit stellar teaching and high expectations. But, according to the team over at Chalkbeat, there's another crucial secret to the network's success---it's school-based operations teams.
In 1989, college senior Wendy Kopp was trying to figure out how to improve American public schools. For her senior thesis, she proposed creating a national teaching corps that would recruit recent college grads to teach in underserved schools. One year later, she launched the nonprofit, Teach for America. Here the story as told to NPR's Guy Raz.