Highest salary at Sierra Charter in year 2018 was $102,708. Number of employees at Sierra Charter in year 2018 was 38. Average annual salary was $63,852 and median salary was $68,204. Sierra Charter average salary is 36 percent higher than USA average and median salary is 57 percent higher than USA median salary. From 2017 to 2018, the median salary increased 8.0 percent.