The article is focused on Georgia’s Sixth District, today. It speaks volumes about the mediocre state of US education. Draw your own conclusions about a political party that gets little support from folks with more than a high school education.
These are the fifteen Congressional Districts in the whole of the United States with at least 50% of adults holding a college degree.
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Eideard 
“As democracy is perfected, the office of president represents, more and more closely, the inner soul of the people. On some great and glorious day the plain folks of the land will reach their heart’s desire at last and the White House will be adorned by a downright moron.” H.L. Mencken, Baltimore Evening Sun 26 July 1920, in an article entitled “Bayard vs. Lionheart (reprinted in the book “On Politics: A Carnival of Buncombe”)
A Department of Agriculture study, commissioned in the early ’90s, found that nearly 1 in 5 adults (20%) did not know that hamburgers are made from beef. More recently a national study revealed that seven percent of all American adults believe that chocolate milk comes from brown cows. One wonders how many of the 16.4 million people (equivalent to the population of Pennsylvania) who don’t know what chocolate milk is are registered voters. https://www.washingtonpost.com/news/wonk/wp/2017/06/15/seven-percent-of-americans-think-chocolate-milk-comes-from-brown-cows-and-thats-not-even-the-scary-part/