Google Drive is more than just a hard drive in the cloud. It is what allows you to share your work, it connects to Google Classroom and streamlines many of the other Google Applications.
A few key tips for allowing better use of Google Drive:
Download and use Drive File Stream for your operating system
Colour code your folders
Use the "star" feature to find key folders and files faster
Use Team Drive for sharing
Convert other file types to Google
Turn on editing offline
Add files and folders shared with you into your Drive.