Foundation: Growth in test scores is sign of good teacher

By Nick Anderson
Washington Post Staff Writer
Friday, December 10, 2010; 2:58 PM

While debate rages in the education world about how to measure effective teaching - or whether it is even possible to do so - research funded by a prominent advocate of data-driven analysis has found that growth in annual student test scores is a reliable sign of a good teacher.

The Bill & Melinda Gates Foundation reported that and other preliminary findings Friday from a $45 million study of teacher effectiveness in several cities.

Read more HERE.