Here is a great article from DOE about lags in science in US students. Discussion ties back to PISA study of 15 year olds.

Excerpt from article: U.S. 15-year-olds ranked 25th among peers from 34 countries on a math test and
scored in the middle in science and reading, while China's Shanqhai topped the charts on an
international assessment released Dec. 7 2010.

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