Highest salary at Seguin Isd in year 2016 was $180,000. Number of employees at Seguin Isd in year 2016 was 1,045. Average annual salary was $39,851 and median salary was $46,250. Seguin Isd average salary is 15 percent lower than USA average and median salary is 6 percent higher than USA median salary. From 2015 to 2016, the average salary of employees at this employer increased 4.2 percent, the median salary increased 3.0 percent.