Highest salary at Joshua Isd in year 2016 was $155,000. Number of employees at Joshua Isd in year 2016 was 685. Average annual salary was $45,550 and median salary was $51,501. Joshua Isd average salary is 3 percent lower than USA average and median salary is 18 percent higher than USA median salary. From 2015 to 2016, the average salary of employees at this employer increased 3.1 percent, the median salary increased 3.4 percent.