Adolescente estudante mostrando notebook para colega de classe com smartphone em sala de aula turva na escola - Banco de fotos e imagens

Education, elementary school, learning and people concept - teacher helping school kids writing test in classroom

Cropped shot of schoolchildren with books sitting together in library

Smiling schoolgirls sitting at desk and using smartphone during lesson in classroom

Schoolgirl talking while holding notebook near smiling african american teacher in classroom

Smiling schoolgirls sitting at desk and using smartphone during lesson in classroom

Smiling teenage schoolboy with notebook talking to friends while standing in classroom in school

Positive schoolboys holding notebook near friends and african american teacher in classroom

Schoolboys talking and pointing near friends and blurred african american teacher in class, banner

African american teacher holding notebook near positive schoolgirl during lesson in classroom

Smiling african american teacher with device standing near pupil during lesson in classroom

Cheerful asian child holding digital tablet near friend and classmates

Happy teenagers talking in classroom, back to school, classmates communicating during school break

Smiling teenage pupil talking to classmate and pointing with finger during lesson in classroom