She made a scene. She could have simply left when told to, but she refused. She made a scene. She should have known better.
Her name was Emma Coger, and the reason you've never heard of her is that her story is so old hat that it shouldn't be news at all. But it is.
Emma was 19 years old and a teacher--middle school, sixth grade, maybe seventh, not much older than her students. History doesn't say whether or not she was on the road to be a master teacher. What's essential background material--is her age, her occupation, and her race.