I appreciate your research here, but I hope HNers don't downvote rubashov's unsourced but more-or-less true statement because you've thrown up some links to articles.
You point to the fact that Asian Americans underperform most all east-Asian countries. This is certainly interesting, but it hardly shows that the US's underachievement isn't mostly explained by ethnic make up. In particular, one would expect that a hypothetically strong group to perform worse when educated in a diverse system than when that group is educated in a system designed just for it.
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I appreciate your research here, but I hope HNers don't downvote rubashov's unsourced but more-or-less true statement because you've thrown up some links to articles.
You point to the fact that Asian Americans underperform most all east-Asian countries. This is certainly interesting, but it hardly shows that the US's underachievement isn't mostly explained by ethnic make up. In particular, one would expect that a hypothetically strong group to perform worse when educated in a diverse system than when that group is educated in a system designed just for it.