Highest salary at Trenton Isd in year 2016 was $93,220. Number of employees at Trenton Isd in year 2016 was 79. Average annual salary was $34,197 and median salary was $34,440. Trenton Isd average salary is 27 percent lower than USA average and median salary is 21 percent lower than USA median salary. From 2015 to 2016, the average salary of employees at this employer increased 3.2 percent.