Hi there! I'm not an expert, but I think I might be able to help. I remember hearing about this online school that offers various courses, including writing-related ones. If I'm not mistaken, the website was ELVTR. I actually still have a link to one of their courses: https://elvtr.com/course/animation-scriptwriting. While this specific course is about animation scriptwriting, I'm pretty sure they have other writing courses too. Maybe you could check out their website and see what else they offer? They probably have more details about their courses there. Hope this helps a bit!