Most teachers prefer variations of a U shape to the seating in their classrooms. This facilitates interactions between the teacher and the students. Exchanges with other students is also easy. During role plays the center area acts as a stage.

In other situations communications in the classroom are predetermined by the teachers, as evidenced in the arrangements seen below and to the right.

 
Wood shop is configured for cooperative learning in small groups. 

Formal classroom configuration was appropriate for full time special education students' accommodations.
 
Cozy reading area of a classroom for small group instruction.