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 ...

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 ...

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” ...

School District 60 board members and administrators on Friday gazed into a crystal ball. They took in a presentation by consultants versed in the \"value-added\" method of predicting student test ...

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 ...