If you jump to the graph and read what it says on the legend, you would not miss that. It says that right there in the legend on the graphs.
If you read the article, you'll find reasoning for that methodology. Furthermore I suspect that every major ethnic group does better in the USA than in their respective home countries. From the data in the article, it holds true for those of European and Asian descent. Given what I know about the appalling state of education in Mexico, I am sure it applies for Hispanics as well. I know less about Africa, but wouldn't be surprised if the same holds for African-Americans.
I fully agree that we can and should do better about erasing differences, but on the whole I'm happy counting that as a success.
If you read the article, you'll find reasoning for that methodology. Furthermore I suspect that every major ethnic group does better in the USA than in their respective home countries. From the data in the article, it holds true for those of European and Asian descent. Given what I know about the appalling state of education in Mexico, I am sure it applies for Hispanics as well. I know less about Africa, but wouldn't be surprised if the same holds for African-Americans.
I fully agree that we can and should do better about erasing differences, but on the whole I'm happy counting that as a success.