Q. I'm a full time student and had no income the only form I received was a 1098-T, Do I need to file a tax return?
A. Simple answer: No. Maybe, if the amount in box 5 exceeds the amount in box 1 by more than $14,600.
Give the 1098-T to your parents. It's probably worth $2500 to them.
Here's a post on the five main points on the 1098-T:
https://ttlc.intuit.com/community/college-education/discussion/i-need-help-with-1098t-section-college-expenses/00/3451036