It seems “Share Settings” is one of those misunderstood tools embedded into G Suite APPS. “Share Settings” may become a powerful tool to use. It is up to the user to follow some simple best practice for sharing files and folders for maintaining the utmost privacy in the realm of education. The Google for Education Team supports “Privacy and Security” within the tools they provide for educators and students to use.
Share Settings Basics
If you are sharing a file or folder it is important to understand what the following three settings mean:
Collaboration Share Settings
Share Settings More Controls