This is not an industry, or a career, where work can be half-assed. If you choose not to treat this like a professional career, YOU WILL NOT HAVE A PROFESSIONAL CAREER.
GET A JOB. Wherever you are... if you aspire to work in film, TV, or entertainment... there's no reason you can't make that leap NOW.
Most teens aren't ready to sell material or navigate an actual screenwriting career. But that doesn't mean you can't begin preparing NOW.
I'm not saying every screenwriter must live in Los Angeles. I'm saying every TELEVISION writer must live in Los Angeles. Until you bite the bullet and move, you WILL NOT BREAK INTO TV.