How to be myself at school when I'm targeted for being made fun of?

Annoying, shallow, teen girl problems, I know, but it still bothers me.

I'm probably the type of person that 80% of people would consider "cringe" if I were to simply be myself. I never bother anyone with my interests, but people go out of their way to make rude comments. It was a nightmare when classmates found my instagram account. I already lack confidence (yeah, I'm at least aware) and I want to know how I can be myself despite knowing people are going to try to ruin my confidence further. Tips?

How to be myself at school when I'm targeted for being made fun of?
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