Highest salary at East Alton Sd 13 in year 2018 was $108,352. Number of employees at East Alton Sd 13 in year 2018 was 132. Average annual salary was $39,319 and median salary was $42,817. East Alton Sd 13 average salary is 16 percent lower than USA average and median salary is 2 percent lower than USA median salary. From 2017 to 2018, the average salary of employees at this employer increased 1.8 percent, the median salary increased 1.4 percent.