Edie felt a wave of panic that she immediately told herself was irrational. It was really unlikely that she was in trouble. Unless she’d done something… no, if she’d done something to make everyone laugh at her and the professor get upset with her, she would remember it.
Still, she felt quite nervous as she put her bag back on a chair and turned to the professor, waiting for the other students to leave. They seemed to file out quickly, though she was sure she heard laughter hanging in the air behind them.