Lächelnde Teenie-Schülerin zeigt Freunden ihr Smartphone, während sie in der Schule im Klassenzimmer steht - Stockfoto & -bild

Schoolboy holding notebook near friends with smartphone and standing in classroom in school

Happy girl using smartphone, chatting and standing in school hallway, diversity, teacher, kids, blur

Positive african american teacher talking to teen pupils near devices in classroom in school

Schoolgirl presenting project in front of science class

Smiling schoolboy with braces holding notebook near friends with devices in classroom in school

Pensive brunette student concentrated while reading book in application on touchpad sitting at desk in classroom.Clever female colleagues learning information in college room preparing for examination

Teenage schoolboy talking to friend with backpack near devices and notebooks on desk in classroom

Smiling teen schoolgirls holding digital tablets near blurred friends in classroom in school

Cheerful schoolgirl holding notebook near friend with smartphone and backpack in classroom

Teenage classmates talking and pointing with fingers near devices and notebook in classroom

Young woman with digital tablet listening lecture near multicultural students

Cheerful interracial students with notebooks and coffee talking near window

Smiling teen schoolgirl with backpack showing smartphone to friend with notebook in classroom

Smiling teen schoolgirl with backpack showing smartphone to friend with notebook in classroom