class

Hello,
YES. It is available for free members.
Either you create an account for them (see the image attached), or you provide them with a group code and they create their own account.

Here's a few articles that should help setting up your class:
https://www.liveworksheets.com/help/teachers/groups-teacher-account/how…
https://www.liveworksheets.com/help/teachers/teacher-account/how-do-i-a…
https://www.liveworksheets.com/help/teachers/groups/how-separate-studen…
https://www.liveworksheets.com/help/get-started/how-do-i-make-interacti…