Movie Review: In ‘The Teachers’ Lounge,’ one middle school as microcosm of a troubled world

What happens in the teachers’ lounge, anyway? Well, not in the brilliantly taut and absorbing “The Teachers’ Lounge, ” in which that room — and gradually, the whole school around it — hosts an expanding web of uneasy power dynamics, mutual suspicion and misinformation, and that's just for starters. “The Teachers' Lounge" dives immediately into the controversy that will tear this modern, bustling school apart.