Highest salary at Champaign Sd 4 in year 2018 was $146,988. Number of employees at Champaign Sd 4 in year 2018 was 905. Average annual salary was $23,999 and median salary was $19,988. Champaign Sd 4 average salary is 49 percent lower than USA average and median salary is 54 percent lower than USA median salary.