“I have been in a boring classroom where you can’t wait to leave,” she says, “but a decorated classroom that’s outside the ...

They found that children in highly decorated classrooms were more distracted, spent more time off-task and demonstrated smaller learning gains than when the decorations were removed.

Are Teachers Distracting Students With Bad Interior Design? Research suggests that sparsely decorated classrooms help students better retain information. An Eco-Modular Classroom That Helps Kids ...