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On the value of teachers.

Amsterdam From Sullivan:

can you buy priligy in the us A teacher one standard deviation above the mean effectiveness annually generates marginal gains of over $400,000 in present value of student future earnings with a class size of 20 and proportionately higher with larger class sizes. Alternatively, replacing the bottom 5-8 percent of teachers with average teachers could move the U.S. near the top of international math and science rankings with a present value of $100 trillion.

http://andrewsullivan.theatlantic.com/the_daily_dish/2010/12/pay-the-best-teachers-more-and-fire-the-worst.html

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