Highest salary at Asa Charter in year 2018 was $87,479. Number of employees at Asa Charter in year 2018 was 18. Average annual salary was $42,910 and median salary was $48,731. Asa Charter average salary is 8 percent lower than USA average and median salary is 12 percent higher than USA median salary. From 2017 to 2018, the average salary of employees at this employer increased 1.2 percent, the median salary increased 4.6 percent.