Highest salary at Tomball Isd in year 2016 was $206,186. Number of employees at Tomball Isd in year 2016 was 1,884. Average annual salary was $43,941 and median salary was $52,260. Tomball Isd average salary is 6 percent lower than USA average and median salary is 20 percent higher than USA median salary. From 2015 to 2016, the average salary of employees at this employer increased 6.8 percent, the median salary increased 3.2 percent.