It is possible to Import users or other options into the Plugin?

If you want to import data from one website to another, there is no dedicated option available in Tiny Scolarz.

A solution may be to use one of the default import solutions provided by WordPress: WordPress Importer.

If you want to import users from a different learning system to Tiny Scolarz, you can do so if those users are WP users. Tiny Scolarz is linked to WP and any user that is added as a WP user will show up in the Tiny Scolarz system.