"right now I can't find ANY videos from inside class rooms." Seriously? Then you're not looking very hard. Actually there are many videos posted to Youtube of

"right now I can't find ANY videos from inside class rooms." Seriously? Then you're not looking very hard. Actually there are many videos posted to Youtube of interactions between students and teachers, some of whom were apparently deliberately provoked by the students expressly for the purpose of recording and posting online. https://www.youtube.com/watch?v=kd_cO1jZT8Q https://www.youtube.com/watch?v=kd_cO1jZT8Q