[yummyfajitas]

If it's so easy to copy, how come no one else in the world has actually managed to do it?

[eru]

Some parts of Germany now rank as well as the Finnish average in the PISA tests. (And Singapore ranks pretty well, too, but that was not a result of an effort spurred on by the testing.)

[yummyfajitas]

So do some parts of the US. Ethnic subgroups of the US with similar ethnicity to Singapore also rank quite well.

http://super-economy.blogspot.com/2011/01/how-well-do-above-...

[nawitus]

One reason is that education politics are extremely conservative.