Answer:
umm like what do you mean??
Explanation:
I believe that the closest synonym for the word overwhelmed is awestruck. It isn't jubilant, because that means happy. And overwhelmed isn't necessarily happy, it is just a strong emotion. Flattered and gracious just don't fit here.
Okay, did you have a conversation with one of the higher people in your school? If you're uncomfortable report it to the office.