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Board Member Turnover Data

Historical comparisons of member turnover on Illinois school boards at biennial elections

IASB has reported turnover data after school board elections for the past 26 years based on membership records.

chart showing turnover on IASB member boards

Download chart: Turnover on IASB Member Boards at Biennial Elections

Turnover on IASB Member Boards at Biennial Elections

IASB_logo_white_small.png 1995 1997 1999 2001 2003 2005 2007 2009 2011 2013 2015 2017 2019 2021
IASB Boards 859 863 868 866 865 852 855 855 851 852 847 845 846 848
Total Board Members 6,013 6,041 6,076 6,062 6,050 5,964 5,971 5,967 5,931 5,932 5,922 5,882 5,908 5,838
Terms Expiring 3,123 3,145 2,931 3,131 2,921 3,080 2,989 3,059 3,087 3,233 2,987 2,903 2,901 3,160
New Members
(Elected)
1,370 1,489 1,335 1,352 1,457 1,369 1,364 1,297 1,288 1,383 1,310 1,149 1,061 1,125
New Members
(Percentage)
43.9% 47.3% 45.5% 43.2% 49.9% 44.4% 45.6% 42.4% 41.7% 42.8% 43.9% 39.6% 36.6% 35.6%
Incumbents
(Re-elected)
1,753 1,656 1,596 1,779 1,464 1,711 1,625 1,762 1,799 1,850 1,677 1,754 1,840 1,951
Incumbents
(Percentage)
56.1% 52.7% 54.4% 56.8% 50.1% 55.6% 54.4% 57.6% 58.3% 57.2% 56.1% 60.4% 63.4% 61.7%
Net Turnover 22.8% 24.6% 22.0% 22.3% 24.1% 23.0% 22.8% 21.7% 21.7% 23.3% 22.1% 19.5% 18.0% 19.3%