Yes, you can share folders via API v2 using /sharing/share_folder and /sharing/add_folder_member. Once the user adds the folder to their account (e.g., by accepting the invitation via the Dropbox site or via your app using /sharing/mount_folder) they can interact with it like any other folder, such as uploading to it from the Dropbox app, or your API app.
We love to learn from the educators who use Dropbox. Whether you teach kids, teens, adults or a combination of all three, we want to know what apps and integrations you use with Dropbox to help with teaching. Which of the ones below is your favorite, or most used tool?