High turnover can mean instability for teachers, making it harder for them to improve student outcomes, research shows.
Some districts see as much 40% or more of their teaching staff change on average.
Teacher attendance is also a “leading indicator” of student achievement, according to the U.S. Department of Education.
The National Bureau of Economic Research has shown that when teachers are absent for 10 days or more, student outcomes decrease significantly.
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This interactive graphic was generated using Claude Artificial Intelligence and Illinois State Board of Education data. The information in the graphic was fact-checked and edited by a Shaw Local editor.

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