Differences in enrollment and completion patterns across demographic groups highlight the reality that gaps in educational attainment are explained by a combination of money and other factors.

在招生和完成模式跨越人口群体的差异突出的现实，教育程度的差距是解释的钱和其他因素的组合。

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The other thing to keep in mind, even at the high end, when you compare Asian-Americans individually by educational attainment, you still see that they earned less than non-Hispanic white males, for example.

NPR: Asian-Americans: Smart, High-Incomes And ... Poor?

Brookings ranks the 100 biggest metropolitan areas by rate of educational attainment.

ECONOMIST: America in numbers

According to other studies cited by the Rice researchers, heart disease is more prevalent among people of low income, low educational attainment and African American ethnicity.

FORBES: Researchers Prove Air Pollution Causes Heart Attacks