The 2020 average is 14 percent higher than in 2016 and 7.8 percent lower than in 2011. District administrators make 20.8 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 Community High School District 155 School District in Mchenry County enrolled 5772 students in 2019-2020. There is an average of 120 students for every administrator, compared to a statewide ratio of 171 to 1.
Community High School District 155 administrator salaries, 10-year trend
| Year | Average salary | Student-to-administrator ratio |
|---|---|---|
| 2011 | $145,754 | 271:1 |
| 2012 | $138,802 | 242:1 |
| 2013 | $122,259 | 254:1 |
| 2014 | $116,014 | 129:1 |
| 2015 | $116,798 | 123:1 |
| 2016 | $117,955 | 123:1 |
| 2017 | $122,724 | 118:1 |
| 2018 | $125,127 | 120:1 |
| 2019 | $128,177 | 125:1 |
| 2020 | $134,411 | 120:1 |
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