The 2020 average is 8 percent higher than in 2016 and 11.4 percent higher than in 2011. District administrators make 45 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 Northbrook School District in Cook County enrolled 1273 students in 2019-2020. There is an average of 127 students for every administrator, compared to a statewide ratio of 171 to 1.
Northbrook Elementary School District 27 administrator salaries, 10-year trend
| Year | Average salary | Student-to-administrator ratio |
|---|---|---|
| 2011 | $144,862 | 120:1 |
| 2012 | $146,856 | 114:1 |
| 2013 | $139,217 | 140:1 |
| 2014 | $142,573 | 136:1 |
| 2015 | $146,034 | 127:1 |
| 2016 | $149,383 | 133:1 |
| 2017 | $141,943 | 118:1 |
| 2018 | $146,566 | 115:1 |
| 2019 | $154,885 | 119:1 |
| 2020 | $161,342 | 127:1 |
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