Click <STATE TAX> tab ==> <Continue> ==> on "State Returns page", click <Edit> ==> You now in this page "Here's the income that Colorado handles differently", and at 3rd item is
"Education" - 529 College Tuition Program Contributions. This item "Education"will disappear if you have any value enter, and it will display as the top item "529 College Tuition Program Contributions" with the contribution dollars. Hope that help.
