Sentences with phrase «urban school system suggested»

The report's authors, Matthew Kraft of Brown University and Allison Gilmour of Vanderbilt, studied teacher ratings in roughly half of the more than three dozen states with new evaluation systems and found that a median of 2.7 percent of teachers were rated unsatisfactory, even though principals they surveyed in one large urban school system suggested that there were more low performing teachers than that in their schools.