April 30th, 2013

The Rich-Poor Student Achievement Gap Has Grown Over the Decades

In this NY Times Opinionator article titled “No Rich Child Left Behind“, Sean F. Reardon, professor of education and sociology at Stanford, explores how wealth has taken over race as the dominating factor in determining students’ success.  The rich-poor gap in student achievement has widened significantly over the last 50 years.  Here’s an excerpt:

“What is news is that in the United States over the last few decades these differences in educational success between high- and lower-income students have grown substantially.

One way to see this is to look at the scores of rich and poor students on standardized math and reading tests over the last 50 years. When I did this using information from a dozen large national studies conducted between 1960 and 2010, I found that the rich-poor gap in test scores is about 40 percent larger now than it was 30 years ago.

To make this trend concrete, consider two children, one from a family with income of $165,000 and one from a family with income of $15,000. These incomes are at the 90th and 10th percentiles of the income distribution nationally, meaning that 10 percent of children today grow up in families with incomes below $15,000 and 10 percent grow up in families with incomes above $165,000.

In the 1980s, on an 800-point SAT-type test scale, the average difference in test scores between two such children would have been about 90 points; today it is 125 points. This is almost twice as large as the 70-point test score gap between white and black children. Family income is now a better predictor of children’s success in school than race.”

The complete article is here.

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