Here is some regular info on creating groups.
Additionally:
You can restrict the quiz to be available to a specific group. So if you had five different versions of a quiz, you can assign each group to their own quiz.
I hope that helps. Feel free to send your ideas for how you use groups!
————————————————————————————————–
You can set up each group to access quizzes at different times. Here’s a link to the article that has steps on how to set up special access in quizzes, https://community.brightspace.com/s/article/000017306
————————————————————————————————–
If you had everyone doing the same quiz at the same time, but in groups, you can sort your gradebook by group, and then when you see the first grade come in from a group, manually assign it to the rest of the students in that group.
————————————————————————————————–