Meaning of open classroom

o'pen class'room

Pronunciation: [key]
— Educ. Educ.
  1. a spacious instructional area shared by several groups or classes in elementary school, permitting more individualized, less supervised project learning and movement of pupils from one activity to another.
  2. a method or system utilizing such spacious classrooms and informal, flexible formats for learning and discussion.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.