In Chicago, parents were fuming over a weeklong strike by teachers. Around the rest of the country, in the face of growing evidence that many U.S. students are falling behind, administrators have tried to devise different ways to motivate teachers.
One of the primary issues at the heart of the the Chicago teachers' strike is whether student test scores should be used to evaluate teachers and determine their pay. Mayor Rahm Emanuel is pushing that approach, as are other officials around the nation.
But many teachers insist that it's inherently unfair to grade their teaching based on their students' learning.