Highest salary at Dupage Hsd 88 in year 2018 was $246,511. Number of employees at Dupage Hsd 88 in year 2018 was 325. Average annual salary was $91,322 and median salary was $104,342. Dupage Hsd 88 average salary is 95 percent higher than USA average and median salary is 140 percent higher than USA median salary.