Highest salary at Dupage Hsd 88 in year 2016 was $231,304. Number of employees at Dupage Hsd 88 in year 2016 was 384. Average annual salary was $80,779 and median salary was $93,680. Dupage Hsd 88 average salary is 72 percent higher than USA average and median salary is 115 percent higher than USA median salary. From 2015 to 2016, the average salary of employees at this employer increased 4.5 percent, the median salary increased 5.5 percent.