Teachers are widely agreed upon to be the most important in - school factor influencing student achievement, but we are less sure about the mechanisms through which teachers can have an impact. (educationnext.org)
This was a devastating commentary on the potential (or lack thereof) of schools and teachers to positively influence student achievement. (ascd.org)
Some plans only reward the teachers whose subjects are tested; namely, reading and math teachers, thereby excluding others who also influence student achievement. (gse.harvard.edu)