Highest salary at Waltham Sd 185 in year 2018 was $48,159. Number of employees at Waltham Sd 185 in year 2018 was 12. Average annual salary was $26,902 and median salary was $23,378. Waltham Sd 185 average salary is 43 percent lower than USA average and median salary is 46 percent lower than USA median salary. From 2017 to 2018, the average salary of employees at this employer increased 5.7 percent.