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Sunday, May 6, 2012

Are Test Scores the Point? « Diane Ravitch's blog

Are Test Scores the Point? « Diane Ravitch's blog:


Are Test Scores the Point?

We have reached a point in our public life where the only way to demonstrate the success of a school is to say it has higher test scores than some other school. But we all know–or should know–that there are many ways to get higher test scores without having a better school.
Some schools get higher test scores because they have a selection mechanism. The selection mechanism might be as simple as a test for entry. That screens out low-scoring students. But no one would be so brazen as to say that an exam-entry school was therefore better than an open-admission school.
But there are more subtle ways to get higher scores. Another is to have a lottery for admission. That means that parents must fill out papers to apply for admission. That screens out parents who don’t have the knowledge or the motivation to fill out an application.
Another way is to limit the admission of special-education students because your school doesn’t have the