How to enter 529 Contribution for IL state?

When you go through the IL state return, you will come to a screen titled Here's the income that Illinois handles differently.   Scroll down to Education and click Start next to College Savings and prepaid tuition plan contributions.  

If you added money to a college savings pool or pre-paid tuition program, this applies to you.  This includes Bright Start and Bright Directions college savings pools and College Illinois pre-paid tuition programs.

If you added money to any of these programs, we'll walk you through the steps to lower your taxable income (so you owe less).