Vista posteriore dell'insegnante a tavola con computer portatile che parla con gli alunni in classe - Foto e immagini stock

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

Writing schoolchildren and teacher sitting at table with laptop and coffee cup

Male College Tutor With Digital Tablet Teaching Class

Side view of african american teacher pointing at wristwatch to latecomer schoolboy in classroom

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

View Through Doorway Of High School Tutor At Whiteboard Teaching Class

Young students greeting each other in classroom

Focused young students sitting in classroom during lesson

Young students raising up hands to answer on teachers question while he standing with tablet on foreground

Rear view of young students sharing notebook at classroom during lesson

Group of students raising hands in class on lecture

Handsome young teacher making presentation for group of students at university

Group of young multiethic students sitting in class

Young students raising up hands to answer on teachers question