One of the best ways to improve writing, reading comprehension, and general english skills is to read! Most libraries offer online ebooks now, so if you don't find something that works below, try picking up a book! You can also listen to
Audible's collection of children's audiobooks for free while schools are closed.
Worksheets, Games, More Resources
List of Creative Writing Prompts
To practice writing, just start writing! Here are some websites with prompts that can inspire.