Responding to federal policy and recent research, states and districts have developed and begun implementing multiple-measure teacher evaluation systems. These systems generally include observational and/or student survey measures of instructional quality alongside measures of teachers' contributions to student learning (e.g., value-added models…

The evidence is clear: better teachers improve student outcomes, ranging from test scores to college attendance rates to career earnings. Federal policy has begun to catch up with these findings in its recent shift from an effort to ensure that all teachers have traditional credentials to policies intended to incentivize states to evaluate and…