Let’s see some example of classroom setting, pick the one that suits you:
If you OWN a classroom, and personalize it, it’s how it looks (well, it does reflect personal taste!) like this:
Sheila Jane Teaching. (2013). Classroom Cribs: Sprinkle Teaching Magic Classroom Tour Edition
Scholastic. (2013). How to organize your classroom, from Instructor Magazine.
Classroom Caboodle. (2011). Calssroom walls and teacher bulletin board ideas.