Highest salary at Mason Hs in year 2016 was $67,012. Number of employees at Mason Hs in year 2016 was 12. Average annual salary was $34,580 and median salary was $34,900. Mason Hs average salary is 26 percent lower than USA average and median salary is 20 percent lower than USA median salary. From 2015 to 2016, the median salary increased 1.7 percent.