How to delete a Google Classroom course, or archive it to keep its data and grades

To delete a Google Classroom class, you'll need to be the head teacher of the course, not just an instructor.

How to change your Google Classroom password, which changes your password across all Google services

You can change your Google Classroom password via the Settings menu, but note that this changes your password across the range of Google programs.
Digital Spy

Google Classroom app lets students turn in assignments on their phone

Google has launched its Classroom app for iOS and Android devices, to empower students and teachers. The software allows pupils to submit homework by taking a photo of their assignment and uploading ...