Highest salary at Mattoon Sd 2 in year 2017 was $98,646. Number of employees at Mattoon Sd 2 in year 2017 was 196. Average annual salary was $24,280 and median salary was $21,139. Mattoon Sd 2 average salary is 48 percent lower than USA average and median salary is 51 percent lower than USA median salary. From 2016 to 2017, the average salary of employees at this employer increased 3.4 percent, the median salary increased 5.0 percent.