Teachers are told not to ever physically restrain or remove a kid from a classroom, so I don't think the teacher did anything wrong by calling the SRO. I personally would have removed all the other kids from the classroom before the SRO got there, for safety reasons, and so **** doesn't make it to twitter/instagram in 8 second chunks.
why, so you remove all witnesses?
I think there are other ways to handle that situation. If that student wants to behave that way, then just allow her to until the day is over and then suspend her for a few days and notify her parent(s). If it continues, she can look elsewhere for her education.