Studentesse offuscate che puntano al computer portatile durante la lezione a scuola - Foto e immagini stock

Pupil writing on blackboard with chalk during lesson in classroom

Cropped view of schoolkid writing on notebook near smartphone in classroom

Selective focus of kid writing on notebook during electronic learning near mother

Blurred african american teacher writing on whiteboard near pupils in classroom

Girl with book and positive african american teacher looking at each other while standing in classroom

Blurred boy pointing at digital tablet with blank screen in classroom

African american teacher helping asian schoolboy during lesson, banner

African american teacher adjusting eyeglasses while reading book near blurred asian boy

Cropped view of kid in headset writing on notebook and using laptop at home