Hey the PISA results for 2006 are in. They test children in the OECD nations then rank them against each other. I only look at the mathematics section. All other areas are too subjective for me, math its either right or wrong.

http://www.pisa.oecd.org/dataoecd/30/17/39703267.pdf

Pgs 305-310 is the math questions. Pgs 315-318 is the results.

I'm attaching the graph of the results for all the industrialized OECD nations. One can only guess what the non-industrialized nation are getting.

Edit: If you can't open the attachment you will have to look on page 314 for what is imo the key graph.