Questions you didn't ask may be of some interest to you, since it appears that the newly weds may have low income.
Q. Can you still claim your newly married student as a dependent and get the tuition credit? If so, which way does the family come out better?
For some guidance, see a similar question at
https://ttlc.intuit.com/community/taxes/discussion/can-i-claim-my-daughter-who-got-married-on-decemb...
