Southeastern Illinois College is a small public associates college located in Harrisburg, IL with a student to faculty ratio of 19 to 1. It has a total of 3,778 full-time undergraduate students. Southeastern Illinois College offers 48 different majors. With an annual tuition of $5,160 for students from Illinois and $5,400 for those from out-of-state, Southeastern Illinois College is very cheap. 8.68% of students graduate moving on to the next stage of their lives, employment. After college, alumni go on to take home about $28,200 per year, which is 32% below the national median.