Dive Summary:

• New York City Mayor Michael Bloomberg is using data to evaluate teacher colleges in an effort to get better teachers into the school system.
• One of the criteria on which education schools are being evaluated: Have their teachers been able to increase their students' test scores?
• City officials warned against drawing too many conclusions from the school scorecards, saying the sample sizes were relatively small and incomplete.

From the article:

... The results released on Wednesday showed that even some of the country’s most prestigious programs have room for improvement. For example, one in five recent graduates of teaching programs at Columbia University and New York University were given low marks for how much they were able to improve student test scores; by contrast, 1 in 10 teachers who graduated from City College of New York received poor marks. ...