Getting rid of ineffective teachers is pretty much the focus of school reform these days but pinpointing who really should go [1] isn’t as easy as it seems, the Washington Post reports. Aaron Pallas [2], professor of sociology and education at Teachers College, Columbia University, looks at the issue here. He writes the Sociological Eye on Education [3]blog — where this post [4]first appeared — for The Hechinger Report, a nonprofit, non-partisan education-news outlet affiliated with the Hechinger Institute on Education and the Media [5]…