Highest salary at Newton Isd in year 2016 was $96,484. Number of employees at Newton Isd in year 2016 was 197. Average annual salary was $32,878 and median salary was $32,355. Newton Isd average salary is 30 percent lower than USA average and median salary is 26 percent lower than USA median salary. From 2015 to 2016, the average salary of employees at this employer increased 4.5 percent, the median salary increased 2.2 percent.