How New York City’s value-added model compares to what other districts, states are doing
New York City schools erupted in controversy last week when the school district released its “value-added” teacher scores to the public after a yearlong battle with the local teachers union. The city cautioned that the scores had large margins of error, and many education leaders around the country believe that publishing teachers’ names alongside their ratings is a bad idea.
Still, a growing number of states are now using evaluation systems based on students’ standardized test-scores in decisions about teacher tenure, dismissal and compensation. So how does the city’s formula stack up to methods used elsewhere?
The Hechinger Report has spent the past 14 months reporting on teacher-effectiveness reforms around the