Dzieci znęcanie nastoletniego chłopca w klasie - Zdjęcie stockowe & obraz

Portrait of upset tired teenage schoolboy sitting in classroom secondary school, learning lessons

Children bullying teenage boy in classroom

Thoughtful teenage male student looking up while sitting at desk in classroom

Tired school boy with hand on face sitting at desk in classroom. Bored schoolchild sitting at desk with classmates in classroom. Frustrated and thoughtful young child sitting and looking up.

Cheerful school boy looking back in class room while the teacher explains

Young boy in class listening to his teacher while taking notes - copyspace.

Girl sitting in class

Smiling boy showing test results

Young schoolboy listening to his teacher as she leans over him at his desk from behind in the classroom, close up on the child

Student with group of classmates in classroom

Student with group of classmates in classroom

Female teacher helping children with homework in classroom at school

Little boy with word "Stop" indoors

Little boy with word "Stop" indoors