Studenti che rispondono alla domanda dell'insegnante in una lezione di matematica . - Foto e immagini stock

Students answering the teacher's question in a maths lesson.

Back view of little girl raising hand during lesson

Education, elementary school, learning and people concept - group of school kids with teacher sitting in classroom and raising hands

Education, high school, university, teaching concept - group of schoolchild and teacher standing at white board at lecture

Counting in class. Smart school girl speaking and writing on a board in front oh the class.

Smiling girl sitting at her desk at school.

Group of primary school students sitting at their desks.

Smiling schoolgirl writing notes in her notebook.

Smiling primary school student sitting in his classroom.

Group of schoolboys and schoolgirls teenagers wearing school uniform and sitting at classroom.

Group of schoolgirls and schoolboys teenagers sitting at classroom.

A woman teacher helping to a student during an exam.