I think I understand what you’re trying to do, as I want to do the same for our school. I just posted a request for help on this (had not come across this thread).
I’d like to make it so that students from one course or group could socialize exclusive of other groups at the school We have grades 6-12, as well as adult courses, and for protection and like-mindedness (maturity levels) I’d like to allow students to engage only with students in their own group. That way, adults won’t be in a Middle School group, and young children in a High School or Adult group.
How can this be done?
I have an LMS set up to organize students per courses/grade levels.
Using current versions of WP (3.7.1) and BuddyPress (1.8.1).
Thanks for your help! Seems like there’s plenty of interest in this.