Laurie told us that if we allow a particular behavior, students will assume it’s acceptable.
Guess what. I used her “evil smile” when even the slightest talking started today. I stopped on a DIME when any whisper started, smiling in the direction of the offenders, not saying a word. I had the most rapt attention all day long in both English and Russian classes, the day after a very long weekend, and have had the best Monday of my year.