The addition of Gmail users to the Google Classroom platform has made it possible for almost anyone to create and join courses in Google Classroom. This has also caused some confusion for people who previously used Google Classroom with a G Suite for Education account. The confusion arises when a person tries to join a Gmail-based Google Classroom while logged into a G Suite for Education account. I recorded the following videos to hopefully clear-up some of that confusion.
How to create a Google Classroom with a Gmail account.
How to invite students to Google Classroom. How to join a Google Classroom with a Gmail account.