I am a graduate student who made just over $12.000 last year. TurboTax says that I have additional income of $13,000 in schedule 1 that is being taxed; I did not input any information except for my W-2s. College was paid for by scholarship and a 529 plan - no loans. I've looked at all 529 payments and none are $13,000. Am I supposed to receive a schedule-1 in the mail?