Academic tracking in secondary education appears to confound an increasingly common method for gauging differences in teacher quality, according to two recently released studies. Failing to account ...

The concept sounds appealing: Measure the effectiveness of schools and teachers based on the amount of academic progress their students make from one year to the next. Often known as “value added” ...

How good is one teacher compared with another? A growing number of school districts have adopted a system called value-added modeling to answer that question, provoking battles from Washington to Los ...

The purpose of the workshop was to scan the research on value-added methods to identify their strengths and limitations, which can inform policy makers’ decisions about whether and how to proceed with ...