Dobbie, Will; Fryer, Roland G. <Jr.> - 2011
variety of school strategies and outcomes. In this paper, we collect unparalleled data on the inner-workings of 35 charter … schools and correlate these data with credible estimates of each school's effectiveness. We find that traditionally collected … teachers with an advanced degree -- are not correlated with school effectiveness. In stark contrast, we show that an index of …