Bambini che alzano le mani in classe per rispondere alla domanda degli insegnanti - Foto e immagini stock

Group of kids raising hands in class to answer teachers question

Happy multiethnic classmates standing around teacher at classroom

Adorable little kids raising hands in class

Pupils raising hands on lesson to answer teacher question

Rear view of school children sitting at the desk in classroom on the lesson, raising hands.

Rear view of schoolgirl raising hand to answer teachers question during lesson

Pleased with the work. Happy maths teacher smiling to her class standing in front of them with the book at the lesson.

Smiling beautiful teacher performing lecture for kids during lesson

Smiling teacher helping children with work during lesson

Group of schoolchildren raising hands to answer question during lesson

African american girl raising hand in class

Group of classmates standing around teacher at classroom and having fun

Rear view of high school students with arms up and african american teacher in classroom

Rear view of young students clapping to lecturer after presentation at college

High angle view of schoolchildren writing off homework of their classmate during break