Here are a few links to support students working with the new WordPress editor
Get Published | Create posts, pages, and menus. You’ve picked a theme and added some personal touches. It’s time to publish! On WordPress.com, that means a post or a page.
The WordPress Editor | The WordPress Editor is a brand-new publishing experience. You can use it to create media-rich pages and posts and to control their layout with ease. Instead of worrying about the alignment and organization of text, quotes, and images, now every element on a post or page has its own block — and you can focus on creating.