Google Meet: Invitations

If a Meet is created from a personal Google Account you can not join this Meet from your school account.

If you create the Meet from your school account a personal Google Account user can join the Meet.

Who can join a video meeting?

Google Workspace users (using Google Meet with a work or school account).	Personal account users (using Google Meet with a personal account).
People in your organization who are signed into their Google Workspace account. People outside of your organization who are added to the Google Calendar event and have a Google Account. People outside of your organization who are invited during the meeting by a participant.	Anyone with a Google Account can start or join a meeting. Anyone with a Google Account who receives an in call invite from the Meeting organizer.

 

Resource
Who can join a video meeting?
Google Meet You Can’t Join This Meeting With Your School Account.