With Google Classroom, you can join your class in three different ways:
Class link
Class code
Email invite
To join the class with a link:
Open your email account.
Click the class link shared by your teacher.
Select the account you use for the classroom.
Note: If you need to switch accounts, click Switch accounts before you try to join.
Click Join.
To join the class with a class code:
Go to Google Classroom and login using your existing credentials.
Click on the Plus icon at the top right and then select Join Class from the pop-up.
Paste it below Class Code and then click on Join at the top right. You’ve successfully joined the classroom.
To join the class with an email invite:
Open the class card and click Join.
To check out other topics related to this integration.