Invite your students to a class

This page is for teachers

To enroll students in your class, you need to invite them or give them a code to join. 

Note: Students can unenroll themselves from classes. If they unenroll, their grades are removed.

Invite students

Note: On Android devices, you can’t invite groups of students. To invite a group, use the web version of Classroom.

  1. Tap Classroom Classroom.
  2. Tap the class and then People People.
  3. Tap Invite students Invite students.
    Tap Invite students
  4. Enter the student’s name or email address.
  5. As you enter text, an autocomplete list of students might appear.
  6. Tap the name or email address.
  7. (Optional) To invite more students, repeat steps 4 and 5.
  8. Tap Invite.

The class list updates to show the names of invited students in gray. Invited students receive an email. To be added to the class, the student must click a link in the email or sign in to Classroom and click Join on the class card.

Give students a code to add themselves
  1. Tap Classroom Classroom.
  2. Tap the class and then Stream Stream and then Settings Settings.

    Tap settings

  3. Tap the class code to copy it for emailing.
    Tap Class code
  4. Send an email to students with the class code or write it on the board in your classroom.
  5. Give students these instructions:
    1. Sign in to Classroom at
    2. On the homepage, click Add Add.
    3. In the box, enter the code that I gave you and click Join.
Invite students from outside the school domain

You can invite students from outside your school’s or organization’s domain if your IT administrator has turned on the setting. If the setting is turned on, you can invite students from other domains the same way you invite people from your domain. 

If you’re an administrator, see Configure class settings to turn the setting on or off.

Turn off, reset, or copy a class code

Classroom automatically creates a class code when you create a class. If students have a problem with the class code, you can reset it. If you don't want new students to join your class, turn off the code. You can turn it back on it at any time.

  1. Tap Classroom Classroom.
  2. Tap the class and then Stream and then Settings Settings.

    Click Settings

  3. Next to Class code, tap More More and then select an option:
    • To turn off the class code, select Disable class code.
    • To turn on a disabled code, select Enable class code.
    • To reset code, select Reset class code.
  4. (Optional) To copy the class code, tap the code.
  5. Tap Save.

Note: To display the class code with a projector, use the computer version of Classroom.

Class size limits

G Suite for Education accounts

For teachers with a G Suite for Education account, Classroom has the following size limitations for each class:
  • Maximum number of teachers: 20
  • Maximum number of members (teachers and students): 1,000

Note: Classroom uses Google Groups for all students and teachers. Each person can only be in a certain number of groups. For more information, see the Membership section of Understand Groups policies and limits.

Personal Google Accounts

Teachers with a personal Google Account have limits on activity, such as creating classes or inviting students. Learn more about Policies and limits.

Related topics

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