Custodian salary at Illinois Mathematics and Science Academy

The average custodian salary at Illinois Mathematics and Science Academy was $40,648 , which is 21 percent lower than the average salary for this job in Illinois, and 43 percent lower than the national average for this job . Custodian salaries at Illinois Mathematics and Science Academy typically range from $39,210 to $41,053 (25th to 75th percentile). The highest reported custodian salary was $62,885. There are 14 employees at Illinois Mathematics and Science Academy with the job title custodian.