Go to classroom.google.com.
On the Classes page, click Add Create class.
Enter the class name.
(Optional) To enter a short description, grade level, or class time, click Section and enter the details.
(Optional) To add a subject, click Subject and enter a name, or click one from the list that appears when you enter text.
(Optional) To enter the location for the class, click Room and enter the details.
Click Create.