Highest salary at SAU 55 in year 2020 was $125,860. Number of employees at SAU 55 in year 2020 was 15. Average annual salary was $63,261 and median salary was $62,467. SAU 55 average salary is 35 percent higher than USA average and median salary is 44 percent higher than USA median salary. From 2019 to 2020, the median salary increased 14.0 percent.