Odds of Getting In
Odds of getting in are slimmer than a Beverly Housewife's waist after her monthly round of liposuction. Smaller than your bank account, after you get through paying for four years of film school. Smaller than the business of a shoemaker for birds.
Maybe if you specialize in adapting young adult dystopian fiction into films; or better yet, if you are a YA author yourself who can turn your own book into a script, you may have a chance at a career.
The heyday of six-figure spec script sales are long gone thanks to new technology and rapidly declining film sales overall. For a good rundown of exactly why your odds are so incredibly low of selling your script and predictions of what things are like in the market now, read this. Just keep in mind what screenwriter William Goldman says, "In Hollywood, nobody knows anything.”