CLEVELAND, Ohio -- How is value-added calculated? The goal is to find whether a student made a year's worth of academic growth in a school year, but there are many different methods you could use.

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” ...

In Houston, school district officials introduced a test score-based evaluation system to determine teacher bonuses, then — in the face of massive protests — jettisoned the formula after one year to ...

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 ...

A Ball State study gives Indiana school corporations a new way to compare outcomes while accounting for poverty and demographics.