"Classroom norms" refer to the expected behaviors and rules that students and teachers follow in a classroom setting. They are the standards or guidelines that help create a positive and respectful learning environment for everyone. Full definition
You have likely encountered specific tips and tricks for establishing a set of classroom norms — a set of behavioral expectations for the class. (intro.professionallearningmaps.com)
Use these reflections to create classroom norms for how students can work together for future successes. (edutopia.org)
Establish classroom norms for the conversation that emphasize good listening, respect, empathy, and honesty. (gse.harvard.edu)