Larry Cuban updated one of his most popular blog posts with new studies. The conclusion remain and is quite sobering.
The following post appeared May 12, 2011. Since then it has been the most read post I have written–nearly 28,000 views. I am updating it with a few changes in language and additional studies and comments that were not in the original post.
I like numbers. Numbers are facts: blood pressure reading is 145/90. Numbers are objective, free of emotion. The bike odometer tells me that I traveled 17 miles. Objective and factual as numbers may be, still we inject meaning into them. The blood pressure reading, for example, crosses the threshold of high blood pressure and needs attention. And that 17-mile bike ride meant a chocolate-dipped vanilla cone at a Dairy Queen.
Which brings me to a school reform effort centered on numbers. Much has already been written on the U.S. obsession with standardized test scores. Ditto for the recent passion for value-added measures. I turn now…
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