Un gruppo di bambini si siede attentamente alla scrivania mentre un insegnante maschio li istruisce in un'aula luminosa e vivace.. - Foto e immagini stock

Asian schoolboy looking away while writing on notebook near laptop in classroom

Male university student and professor looking at each other while classmates writing paper in classroom

Young woman teacher teaches lesson in class of teenage children, teacher stands near school desk with girl student, checks knowledge. Education, school, college, teaching concept

Clear explanation. Pleasant young engineer showing his sons how to measure distance with compass while the boys paying attention to him

Selective focus of teacher standing beside multicultural pupils in classroom

Asian schoolboy looking away while writing on notebook near laptop in classroom

Asian schoolboy holding smartphone and writing on notebook in classroom

Happy african american teacher and schoolboy looking at camera near book on desk

Attentive teacher pointing with finger near schoolgirl writing in notebook

Teacher and multiethnic kids playing with didactic materials in montessori school

Mature teacher pointing at laptop near asian pupil in classroom

Teacher sitting near multiethnic kids with didactic material playing in montessori school

Cheerful asian schoolgirl reaching book while sitting at desk near classmate