Highest salary at Ferris Isd in year 2016 was $140,597. Number of employees at Ferris Isd in year 2016 was 383. Average annual salary was $37,363 and median salary was $42,173. Ferris Isd average salary is 20 percent lower than USA average and median salary is 3 percent lower than USA median salary. From 2015 to 2016, the average salary of employees at this employer increased 0.5 percent, the median salary increased 1.7 percent.