Tax credits, on the other hand, can be used to directly lower my bill correct? I did a quick Google search and it looks like if we got married, we could use the American Opportunity Tax Credit and Lifetime Learning Credit. I wasn't aware of these credits during MS4 so I think my parents might have claimed me as a dependent this year and listed my tuition/fees on their taxes, even though they don't derive any benefit from it due to the income limit. My fiancee's tuition bills for next year are up for grabs, though.