1. We're working with the OAuth permission model that exists today, but I've passed along your feedback to our platform team. The generic use case for Classroom for GitHub is to create a new organization to use for student assignments and use Classroom for GitHub to manage that organization. If / when you decide to stop using Classroom for GitHub you can remove your organization and it will clean up after itself.
3. I'm having a hard time understanding your situation, but would appreciate it if you could file an issue at https://github.com/education/classroom/issues/new, can't promise that it will be fixed immediately, but need to gather feedback like this.
2. GitHub Enterprise is not supported, but others have requested this feature: https://github.com/education/classroom/issues/240
3. I'm having a hard time understanding your situation, but would appreciate it if you could file an issue at https://github.com/education/classroom/issues/new, can't promise that it will be fixed immediately, but need to gather feedback like this.