Colegial afroamericano sobrecargado de trabajo durmiendo en clase - Foto e imágenes de stock

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

Tired little schoolgirl sleeping on desk during lesson

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

In Elementary School Classroom Brilliant Caucasian Boy Writes in Exercise Notebook, Taking Test and Writing Exam. Junior Classroom with Group of Children Working Diligently and Learning New Stuff

Little schoolgirl sleep in classroom near blackboard

Tired african american schoolgirl sleeping on desk during lesson

Overworked african american schoolgirl sleeping on desk

Adorable schoolgirls writing with pencils and looking away while studying in library

Beautiful young teacher helping little schoolboy with exercise

Cute tired schoolkids in eyeglasses sleeping on table with books in library

Teacher reading book with children during lesson

Group of schoolchildren raising hands to answer question during lesson

Dreamy high school teenage student listening music in headphones with classmate and teacher behind

Tired classmates in eyeglasses sleeping on table with books in library

Bored little girls sitting in library