You are allowed to amend to claim and educational credit. But there are other restrictions. For example you cannot be a dependent or even be eligible to be a dependent. Furthermore, A student, under age 24, is only eligible for the refundable portion of the American Opportunity Credit if he supports himself by working. You cannot be supporting yourself on parental support, 529 plans or student loans & grants. You must have actually paid tuition, not had it paid by scholarships & grants. It is usually best if the parent claims that credit.
For full rules, see <a rel="nofollow" target="_blank" href="
https://www.irs.gov/Individuals/AOTC">https://www.irs.gov/Individuals/AOTC</a>
