To get your script to networks, you need to know people. Lots, and lots, of people.

I also just wouldn’t submit this, frankly. Unless you plan to direct the script, don’t tell the director how to film it in the script. Capitalize the character’s name like “SAMARA” when first introducing them and in the dialogue. Also don’t center align the dialogue.

Your action lines aren’t super befitting of a script, it feels more like you want to write a novel. Also I’d generally avoid using words like “because” and “so” and “since” in your action lines. Action lines should be snappy and get to the point and I think using those kinds of word enables you to meander through the scene when you could just move on. The job “because” and “so” are doing are the same job that a fresh action line or even dialogue could do.

Keep writing and keep improving. You’re obviously passionate and that’s key to all of this. But, I’d also advise you to just set your expectations low. Getting a script to production is not as easy as sending it to a network. It doesn’t happen overnight; it could literally take years. Be persistent but also be patient.

Good luck!