This states what those of us in education already know. It’s about time it made news

Diane Ravitch's blog

The New York Times features a new study of the intersection of race, family income, and test scores by Sean Reardon, Demetra Kalogrides, and Kenneth Shores.

It shows beyond doubt that family income and test scores are tightly correlated. A chart of educational attainment in school districts, arrayed by family income, shows that: “Sixth graders in the richest school districts are four grade levels ahead of children in the poorest districts.”

That is a huge test score gap.

We’ve long known of the persistent and troublesome academic gap between white students and their black and Hispanic peers in public schools.

We’ve long understood the primary reason, too: A higher proportion of black and Hispanic children come from poor families. A new analysis of reading and math test score data from across the country confirms just how much socioeconomic conditions matter.

Children in the school districts with the highest concentrations of…

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