The Google Classroom integration allows you to have the ability to automatically import upcoming assignments and due dates within seconds.
To connect on iOS:
Verify that your device is at least running v1.2.0 of School Buddy
Tap the Assignments tab in the bottom of the app
Tap the + in the top right of the Assignments tab

Choose the Import from Google Classroom option
Sign in with your student Google account (be sure to give the app permission)
You're done! You can now use this option to filter through your classes and work. Tapping a Course Work item will automatically create a School Buddy Assignment for you!
To connect on the web:
Head over to the Google Classroom tab
Click the Connect to Classroom button in the top right of the page
Once on the Services page, click the Connect to Classroom button (green)
Sign in with your student Google account (be sure to give the website permission)
You're done! You can now use this option to filter through your classes and work.