Hi Abigail, first thing you need to do is download screenwriting software. This will enable correct industry standard formatting for your script.
There are quite a few screenwriting downloads that are free or trial.
Try Trelby:
https://www.trelby.org/download/Screenplays are written in Courier font and Italics is not used for Action lines.
Also you need to correctly label scenes according to location, not write Scene 1 etc.
EXT. WOODS - DAY for example.
EXT. BACKYARD - NIGHT
Then describe the scene, the tent erected etc.
Avoid camera directions like this:
WIDE BACK SHOT
You probably need an alternative name for IT as well, considering Stephen King has the monopoly on this particular character.
Hope this helps and that you join in the discussion.