Znuděný studentka spaní na skládané knihy u stolu v učebně - Stock fotografie a obrázky

Female high school student sleeping on stack of books in library

Female high school student sleeping on stack of books in library

Bored female student sleeping at desk with teacher in background at classroom

Young girl looking at a pile of textbooks with a whimsical expression of dismay as she contemplates the amount of studying ahead

Confused female student reading documents at classroom desk

Exhausted young female student sleeping at her desk in class resting her head on a high stack of textbooks

Thoughtful young woman with coffee cup sitting at desk in classroom

Thoughtful attractive young blond student with binders of notes sitting with her head resting on her hand staring up into the air in contemplation

Boring blond female student text messaging on cell phone in classroom

Depressed thoughtful young university student sitting in the classroom with a laptop looking thoughtfully at the camera with head on hand

Tired teacher or mature female student sitting at a desk in the classroom with paperwork holding her hands to her face

Unhappy female student having stress at school

Depressed young female student sitting staring at her notes with her head on her hand in front of a blackboard