Don’t worry it s all straight forward once you get the hang of it. I would start by gathering the evidence to support these needs e.g. history of need from previous school, medical documentations, teacher feedback etc. Communicate Ed is invaluable and JCQ update documents on the current regulations for 2024 are easily accessible online.
I’ve no context on your bsckground/knowledge so apologies if you know all this. Any particular questions feel free to ask and I’m happy to support or discuss further. 😊