The Quick & the Ed – Kevin Carey
“Nicholas Kristoff wrote yesterday about the “landmark” new teacher value-added study from Chetty, Friedman and Rockoff. It’s worth being clear about why the study has garnered so much attention. It’s not because it shows that teachers matter. Everyone knew or believed that already. It’s because it shows that teachers vary in how much they matter. And, for the first time, it takes the value-added debate out of the standardized testing box.”(more)