12) To have education pundits check their tendency to resort to the quip, the catchy one-liner. If you’ll indulge me, I’ll give an extended example. I believe it was Hoover Institute economist Eric A. Hanushek who observed that if we simply got rid of the bottom 10% of teachers (as determined by test scores) and replaced them with teachers at the top 10% we’d erase the achievement gap, or leap way up the list on international comparisons, or some such. His observation got picked up by a number of commentators. It is one of those “smartest kids in the class” kinds of statements, at first striking but on reflection not very substantial.
Think for a moment. There are many factors that affect student academic performance, and the largest is parental income – so canning the bottom 10 percent won’t erase all the barriers to achievement. Furthermore, what exactly is this statement’s purpose? It seems to be a suggestion for policy. So let’s play it out. There are about 3½ million teachers out there. Ten percent is 350,000. As a policy move, how do you fire 350,000 people without creating overwhelming administrative and legal havoc, and where do you quickly find the stellar 350,000 to replace them? Also, since the removal of that bottom 10 percent one year creates a new 10 percent the next (I think Richard Rothstein also made this point), do we repeat the process annually?
It is this kind of quip that zips through the chattering classes, but really is a linguistic bright, shining object that distracts us from the real work of improving our schools.
Mike Rose Asks For Reason Instead Of Shiny Things
Mike Rose has 14 resolutions he would like to see from reformers in 2011. Here is
reason resolution number 12: