Highest salary at Newton Isd in year 2017 was $109,125. Number of employees at Newton Isd in year 2017 was 201. Average annual salary was $34,501 and median salary was $33,064. Newton Isd average salary is 26 percent lower than USA average and median salary is 24 percent lower than USA median salary. From 2016 to 2017, the average salary of employees at this employer increased 4.9 percent, the median salary increased 2.2 percent.