Highest salary at Waterloo Cusd 5 in year 2015 was $153,297. Number of employees at Waterloo Cusd 5 in year 2015 was 256. Average annual salary was $42,900 and median salary was $52,557. Waterloo Cusd 5 average salary is 8 percent lower than USA average and median salary is 21 percent higher than USA median salary.