Triste chica. Niña linda morena sintiéndose triste después de no escribir la prueba final en la lección - Foto e imágenes de stock

Boy feeling thoughtful. Dark-haired handsome smart boy feeling thoughtful while writing test

Little caucasian girl is bored at the lesson at school. The schoolgirl is sitting at her desk and the teacher is sitting in the background

A bored schoolgirl using digital tablet during lesson in classroom at primary school.

Depressed little girl writing homework

Pupil studying lessons in computer class with blurred teacher and learner on background

Schoolgirl with head in hands in an elementary school class

At the lesson. Schoolchildren siting at their desks at the lesson

Tired. Dark-haired girl in orange tshirt sleeping on the desk

Learning art. A concentrated girl drawing with color pencils during the art class

Bored and depressed. Upset schoolgirl turning her back on psychologist trying to test her

Homework. Gray-haired bearded man sitting with his kids at the table while they doing lessons

Girl feeling thankful. Girl feeling thankful to helpful smart teacher clarifying some details

After lessons. Tired schoolchildren sleeping on the desks in the classroom