Lifting them out of poverty would no doubt help. My point was that variables such as parent's IQ and educational attainment weren't shown in the chart. It's quite possible that that there is a stronger correlation between those factors and their children's attainment than there is with income.
Asian men have high SAT scores,college gradation rates and incomes yet nearly half of your women choose to marry other races of men.Why is that?
Thousands of blacks in the US have IQ scores above 130, many more above 120. (Above 130 is considered "gifted.")
He's an AEI scholar, and his book Losing Ground led to welfare reform in the 80s and 90s. Highly respected in his field.