The claims made by this article are easily falsifiable: do a more accurate ethnicity-based slicing of the data and show that US schools fare poorly as measured by standardized tests.
You may not find the results useful for your chosen aims ("make schools better"), but that's irrelevant. Is evolution also "not even wrong" because it can't be used to "make schools better"?
http://en.wikipedia.org/wiki/Not_even_wrong
The claims made by this article are easily falsifiable: do a more accurate ethnicity-based slicing of the data and show that US schools fare poorly as measured by standardized tests.
You may not find the results useful for your chosen aims ("make schools better"), but that's irrelevant. Is evolution also "not even wrong" because it can't be used to "make schools better"?