Uśmiechnięta nastolatka pokazuje smartfon przyjacielowi z plecakiem w rozmazanej klasie w szkole - Zdjęcie stockowe & obraz

Happy schoolgirl using digital tablet during break in school hallway, blurred, schoolkids

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

Happy teenage boy and girl holding gadgets near classmates in school hallway, back to school concept

Positive teen schoolkids using cellphone in classroom

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

Three school age friends using smartphone in corridor during break. Caucasian smiling schoolgirls surfing internet on mobile phone together in hallway after classes.

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

Teenage girl texting on smartphone in school hallway, students and teacher on blurred background

Happy african american teacher pointing at smartphone of student, teenagers in school hallway

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

Group of schoolchildren bullying sad girl with smartphone

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

Smiling schoolgirl pointing with finger at smartphone near blurred friend in school

Smiling teen pupils using digital tablet together in classroom near blurred african american teacher