Giovani studenti alzare le mani per rispondere alla domanda insegnanti mentre lui in piedi con tablet in primo piano - Foto e immagini stock

Group of young students raising up hands to answer on teachers question while he standing with tablet on foreground

Young students greeting each other in classroom

Young students raising up hands to answer on teachers question

Group of students raising hands in class on lecture

Enthusiastic Teacher Giving a Lesson in Elementary School to Class Full of of Diverse Children. Group of Smart Multiethnic Kids Learning New Stuff. Side View Shot

Schoolgirl Raises Hand with an Answer, Enthusiastic Teacher Explains Science Lesson. In Elementary School with Group of Multiethnic Kids Learning Science. Back View Shot

Rear view of group of students raising hands in class on lecture

Smiling african amercan boy wide arms sitting at table in classroom with schoolchildren

Group of students raising hands in class on lecture

Teacher using digital tablet with blank screen

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

Rear view of african american teacher and high school teenage students in classroom

Rear view of high school teenage students listening african american teacher with book in classroom

Rear view of teacher at table with laptop talking to pupils in classroom