yourself. Don't let a clique or friend group prevent you from exploring something you enjoy.
Jocks can be in choir and drama. Drama kids can enjoy Sports. Don't get put into a box.

Ask for help when you need it. Offer help when you see it is needed.

Take a risk and ask that girl out instead of just imagining it or talking yourself out of it.

Get active in clubs. Do service.

Don't put off your homework. Get it done first and you can relax after.

Be involved.

Relax, it is just High school.
Don't panic.
Don't forget your towel.