Highest salary at Highland in year 2017 was $154,906. Number of employees at Highland in year 2017 was 168. Average annual salary was $49,000 and median salary was $44,707. Highland average salary is 5 percent higher than USA average and median salary is 3 percent higher than USA median salary. From 2016 to 2017, the average salary of employees at this employer increased 5.3 percent, the median salary increased 2.5 percent.