Soror, I admire you for being able to see the bigger picture that they are just high schoolers having fun. Maybe you should educate the teachers about the mild nature of their step team.
If the children aren't throwing up the signs or doing calls (which are unofficial but sentimental) and claiming to be a part of the organizations, then what's the big deal?
They should be corrected if they contort the ability to do the steps with being a member of the organizations. I'm only 2 months old, and I don't have a problem with it.
Be blessed.