Criminal Minds JJ job question?

I am a freshman in high school. I wanna start getting ready for college and my life. I love Criminal Minds and wanna do the BAU job for the FBI. What kind of job does JJ have in that show..
Update: what do i have to do in high school to get ready for this type of work? this is my dream job
Update 2: I am not basing it on TV i always wanted to work with crime and be a part of the fbi. the show may be fake but the fbi is not.
3 answers 3