If you have a 1099NEC that is self employment income and you have to file a return and pay self employment tax on it. When you file a return you need to include all your income on the same return. So yes you have to file.
Since you are a full time student you still qualify as their dependent. To file a separate return as a dependent you need to set up a new account separate from your parents. Online is only good for one return per account. You can use the same email address for 5 accounts. You can probably use the Free Edition or the Free File website
Https://ttlc.intuit.com/questions/1894512-how-do-i-start-another-return-in-turbotax-online
Be sure on your return you check the box that says you can be claimed on someone else’s return.
Filing requirements for a dependent
https://ttlc.intuit.com/community/children-dependents/help/do-i-need-to-file-my-own-taxes-if-i-m-a-d...
