The evidence for poverty affecting education performance, however, seems pretty high here. Example paper out of many: http://www.academicjournals.org/article/article1379765941_La...

And there's more too it, of course. I chose this link primarily because I found another observation very interesting: "In many studies, [the] mother’s education [level] had a more significant effect on children’s scores than income."

Equating inborn aptitude to SAT scores alone seems very short-sighted.