Highest salary at Sweeny Isd in year 2016 was $167,356. Number of employees at Sweeny Isd in year 2016 was 256. Average annual salary was $44,770 and median salary was $50,966. Sweeny Isd average salary is 4 percent lower than USA average and median salary is 17 percent higher than USA median salary. From 2015 to 2016, the average salary of employees at this employer increased 10.5 percent, the median salary increased 8.3 percent.