Highest salary at Huntsville Isd in year 2016 was $178,400. Number of employees at Huntsville Isd in year 2016 was 865. Average annual salary was $37,801 and median salary was $42,400. Huntsville Isd average salary is 19 percent lower than USA average and median salary is 2 percent lower than USA median salary. From 2015 to 2016, the average salary of employees at this employer increased 5.5 percent, the median salary increased 7.6 percent.