Yes, you can.
You can use this form to claim any potential American Opportunity Credit.
If your parents or someone else claims you as a dependent on their taxes, you should give this form to them. They may be able to use it to get a reduction on their taxes.
If there is no one that will claim you as a dependent, it is sometimes possible to claim the American Opportunity Tax Credit (AOTC) and get a refund even if you don't pay any tax. See the IRS page on the AOTC for details
Simple answer: No.
Maybe, if you are older than 23, an undergrad, and can not be claimed as a dependent by your parents, or someone else.
There's a new urban myth among college students that says they can get a $1000 from the government just for filing a tax form. For most of them, they simply aren't eligible. A full time unmarried 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.
You cannot claim a credit if you are, or can be, claimed as a dependent by someone else.
If the box 5 amount of your 1098-T is more than the box 1 amount, you potentially have taxable scholarship. If you have more than $12,000 of taxable income (including taxable scholarship), you are REQUIRED to file a return, whether you are a dependent or not.