Vista posterior de los estudiantes escuchando música con auriculares en la conferencia y mirando hacia otro lado - Foto e imagen de stock

Back view of student listening music with headphones on lecture

Young students greeting each other in classroom

Group of a high school students having a class at modern classroom.

Rear view of multiethnic students listening to teachers lecture at college

Rear view of young students gossiping at classroom during lesson

Young students gossiping at classroom during lesson

Rear view of schoolchildren and teacher writing on white board

Rear view of african american teacher and schoolboy with arm up in classroom

Teacher using digital tablet with blank screen

Focused young students sitting in classroom during lesson

Rear view of young students listening to teachers lecture at college