States, districts, and schools all across the United States are busy developing or implementing teacher evaluation systems. One can trace this flurry of activity to a variety of reports and initiatives that highlight two failings of past efforts: (1) Teacher evaluation systems have not accurately measured teacher quality because they've failed to…

This fall, the nine states that finished as runners up in last year's groundbreaking Race to the Top competition will have an opportunity to reapply for a grant. The winners will receive a combined $200 million to help implement the bold education reform plans they developed last year. Many of the eligible states already have clear roadmaps toward…

Status quo approaches to teacher evaluation have recently come under increasing criticism. They typically assign most teachers the highest available score, provide minimal feedback for improvement, and have little connection with student achievement growth and the quality of instruction that leads to higher student growth. A more comprehensive…