Highest salary at Nashville Sd 99 in year 2018 was $68,099. Number of employees at Nashville Sd 99 in year 2018 was 19. Average annual salary was $29,450 and median salary was $31,601. Nashville Sd 99 average salary is 37 percent lower than USA average and median salary is 27 percent lower than USA median salary. From 2017 to 2018, the average salary of employees at this employer increased 1.4 percent, the median salary increased 1.5 percent.