By Thomas J. Kane. Since 2009, more than 40 states have rewritten their teacher evaluation policies. Given that school systems have neglected to manage classroom instruction for decades, it was inevitable that many schools would struggle to implement them. New York Governor Andrew Cuomo re-ignited the controversy by including a second round of teacher evaluation reforms in his budget this year.  Below, I describe the most promising opportunities in the new law.  Hopefully, New York will provide a blueprint for other states as they tweak their own systems in the coming years. More...