Google Classroom is free to use. It integrates other free Google apps to supplement its file-sharing and communication ...

The free service makes it easy for teachers ... appear in your account and then clicking "Join." 1. Open the Google Classroom app on your device. 2. In the lower right corner of your screen ...

By entering this code into the Google Classroom website or app, a student can enroll themself ... to the course via class code, they're free to unenroll at any time.