This is definitely worth a read.
Here is a quote:
“High schools focus on elementary applications of advanced mathematics whereas most people really make more use of sophisticated applications of elementary mathematics. This accounts for much of the disconnect noted above, as well as the common complaint from employers that graduates don’t know any math. Many who master high school mathematics cannot think clearly about percentages or ratios.”
And here is the link:
Click to access 07carnegie.pdf
Link found on f(t)’s blog
Saving school math 