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.
Download chart: Turnover on IASB Member Boards at Biennial Elections
 |
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% |