Once a month, about two dozen men and women drive hours to a hotel conference room in Macon to learn how to run a school district.

With the average tenure of a superintendent in large American school districts being just three years, some of them joke about the perils of their quest.

“If they don’t like you, you’ll get fired,” quipped Ed Shaddix, an assistant superintendent in Gwinnett County, one of the classmates in the training program for superintendents.

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