Highest salary at Decatur Isd in year 2016 was $187,090. Number of employees at Decatur Isd in year 2016 was 436. Average annual salary was $40,020 and median salary was $46,150. Decatur Isd average salary is 15 percent lower than USA average and median salary is 6 percent higher than USA median salary. From 2015 to 2016, the average salary of employees at this employer increased 2.8 percent, the median salary increased 2.3 percent.