Link between poverty, test scores continues

Updated 11/1/2016 6:35 PM

The 2016 update of the Daily Herald's Poverty-Achievement Index continues to demonstrate the strong correlation between income and test results.

Our analysis divides all elementary schools in the state into 10 tiers based on the percentage of low-income students a school serves. The zero to 9.9 percent tier includes schools serving the fewest low-income students, while those in the 90 percent to 100 percent range covers schools with the highest percentage of low-income students.


We then calculate the average percent met/exceeds for each tier. As in past years, our analysis shows how deeply stratified Illinois schools are by income, with no income tier performing better than any other tier with fewer low-income students.

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