Listed below are two resources for you to review in regards to educational expenses if you have a child in grades K-12. The first link is to a PDF file on what is a subtraction and a credit when filing taxes.
The second link is to a You Tube video with similar information
http://www.revenue.state.mn.us/individuals/individ_income/Documents/K12%20Flyer%20-%20English.pdf
https://www.youtube.com/watch?v=lXpSNoLjluc&feature=youtu.be