What classes do i need to take in high school to pursue a carrer as a lawyer then politician? -

I want to be a lawyer then become a politian.I love politics and want to make alot of difference in the world.My sister is in law school and she says to take alot of English.I suck at Alegebra but I m awesome at History and Geography.I m only in 8th grade but I want to go to Georgetown Law School.idk i guess I just think I m not smart enough. Can someone give me some possitive feedback.

take a debate class