If you remove a student from your class Meet they might not be able to rejoin.  This is a security feature so users do not keep reentering that are causing problems.  This means you will have to manually invite them back in.

To invite a student back in:

  1. On the right, click People People and then Add people Add people.
  2. Enter the name or email address and then Send invite.


Adapted from: https://support.google.com/edu/classroom/answer/9776888