The 2020 average is 23 percent higher than in 2016 and 20 percent higher than in 2011. District administrators make 53.4 percent more than the state average of $111,293.
Administrator salaries depend on the district's size, location and resources, as well as the individual's level of experience and education, according to the Illinois State Board of Education report.
The Northfield School District in Cook County enrolled 5200 students in 2019-2020. There is an average of 126 students for every administrator, compared to a statewide ratio of 171 to 1.
Northfield Township High School District 225 administrator salaries, 10-year trend
| Year | Average salary | Student-to-administrator ratio |
|---|---|---|
| 2011 | $142,295 | 117:1 |
| 2012 | $146,848 | 118:1 |
| 2013 | $136,351 | 130:1 |
| 2014 | $139,679 | 130:1 |
| 2015 | $155,870 | 120:1 |
| 2016 | $138,750 | 108:1 |
| 2017 | $150,250 | 165:1 |
| 2018 | $158,779 | 106:1 |
| 2019 | $166,621 | 109:1 |
| 2020 | $170,711 | 126:1 |
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