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Beautiful college students sitting in class in the classroom are tired, tired, stunned, closed eyes, closed eyes, stunned, distracted, unable to concentrate, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, s

Beautiful college students sitting in class in the classroom are tired, tired, stunned, closed eyes, closed eyes, stunned, distracted, unable to concentrate, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, s

Beautiful college students sitting in class in the classroom are tired, tired, stunned, closed eyes, closed eyes, stunned, distracted, unable to concentrate, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, sleepy, s

University students in classrooom

Tired middle-aged male resting on top of car seat

Mother helping tired son with homework

Girl studying

Boy studying

primary school girl sleeping at her desk on books

University students in class, view of feet

Higher education students

Further education student

Lecturer teaching University students in lecture hall

University students in classroom

Grade-school girl in class with teacher

Further education student

Young Boy Studying, Lewis Hine for National Child Labor Committee, 1924

Children Drawing at Desks in Classroom, Greenhills, Ohio, USA, a Greenbelt Community Constructed by U.S. Department of Agriculture as Part of President Franklin Roosevelt's New Deal, John Vachon for U.S. Resettlement Administration, October 1938

High Angle View of Children at Work in Classroom, Greenhills, Ohio, USA, a Greenbelt Community Constructed by U.S. Department of Agriculture as Part of President Franklin Roosevelt's New Deal, John Vachon for U.S. Resettlement Administration, October 1938

Group of Children Drawing at Desks in Classroom, Greenhills, Ohio, USA, a Greenbelt Community Constructed by U.S. Department of Agriculture as Part of President Franklin Roosevelt's New Deal, John Vachon for U.S. Resettlement Administration, October 1938

Student at Desk in Rural School, Williams County, North Dakota, USA, Russell Lee, U.S. Resettlement Administration, November 1937

Student at Desk in Rural School, Williams County, North Dakota, USA, Russell Lee, U.S. Resettlement Administration, November 1937

Schoolchildren, Lake Dick Project, Arkansas, USA, Russell Lee, Farm Security Administration, September 1938

Secondary school students chatting in a classroom

Lecturer giving lecture to group of students

Homework

Tired Baby Boy rubbing his Eyes in High Chair

Students sitting at desk in class, low section

Boy in classroom, sitting at desk, doing classwork

Teenage students (13-17) talking in classroom

Sleepy Baby

Portrait of exhausted office worker

Sleepy dog sitting on sofa while cat lying behind

Getting tired of homework

Girl sitting on floor writing up homework

Girl sitting on floor concentrating on writing homework

Girl playing teacher

Pakistan, Punjab, Youhanabad, Girls in Christian school with teacher

Pakistan, Punjab, Youhanabad, Boy in Christian school

Two boys in classroom, one raising his hand

University students in classroom

Lecturer talking to college students in classroom

College students studying world map in classroom

University students in class

Woman in further education class

Higher education students

Higher education students

Higher education student

Higher education student

Lecturer teaching University students in classroom

Lecturer teaching University students in classroom

Lecturer teaching University students in classroom

Students sitting in classroom

teacher working on laptop computer in classroom

teacher working on laptop computer in classroom

teacher working on laptop computer in classroom

teacher working on laptop computer in classroom

teacher working on laptop computer in classroom

teacher working on laptop computer in classroom

Portrait of smiling student girl in class

Pupils in school classroom

Pupils in school classroom

Pupils in school classroom

Teacher sitting at desk holding papers

Portrait of teacher sitting at desk, 1950s, black and white

Young woman sitting on edge of desk

Girl (4-7) using abacus, close-up

Casual businesswoman with a headache

Teenagers in classroom working on desktop computer

Teenagers in classroom working on desktop computer

Schoolboy writing on desk in class

Teacher with kids in front of desktop computer

A boy and girl sitting in a classroom.

A group of children in a classroom.

A group of children in school.

A group of children in a classroom, one with her hand up ready to answer a question.

A group of children in a classroom, one with her hand up ready to answer a question.

A group of children in a classroom, one with her hand up ready to answer a question.

A boy with his hand up ready to answer a question.

A boy using a computer in a classroom.

A young girl seated at a laptop computer in a classroom.

Three children using a laptop, two girls and a boy.

A woman sitting at a desk in a classroom.

Male community college instructor leading lesson in classroom

Focused high school boy student taking exam at desk

High school girl student taking exam at desk in classroom

Thoughtful high school girl taking exam at desk in classroom

Focused high school girl students taking exam at desks in classroom

Focused high school boy taking exam at desk in classroom

Focused high school students taking exam

Focused high school boy student taking exam at desk in classroom

Focused high school girl student taking exam at desk in classroom

Focused high school girl student taking exam looking up

Focused high school girl student taking exam at desk in classroom

Focused high school boy student taking exam at desk in classroom

Focused high school girl student taking exam

Focused high school students taking exam

Focused high school girl student taking exam at desk in classroom

Focused high school boy student taking exam at desk in classroom

Focused high school boy student taking exam at desk in classroom

Focused high school girl student taking exam at desk in classroom

Focused high school boy student taking exam at desk in classroom

Focused high school boy student taking exam at desk in classroom

High school girl student taking exam at desk

Girl painting with water colours

Students lounging in classroom

Student resting head on desk in class

Boy in class

Girl in class

Girl in class

School desk with two chairs three dimensional vector illustration isolated on white background. Table and seats in 3D isometric design. School Desk with Chairs Three Dimensional Vector

Student at Desk in Rural School, Williams County, North Dakota, USA, Russell Lee, U.S. Resettlement Administration, November 1937

Pensive Student at Desk

Pensive Student at Desk

Pensive Student at Desk

University students in classrooom

Students using computers

Further education student

Sleepy Orange Tabby Cat, Close-up

女子大生

Man napping in armchair

Girl sitting on floor doing homework, portrait

Girl sitting on floor doing homework

Girl sitting on floor writing up homework

Overtime class overwork and sleep pictures, crawling on the desk sleepy and tired

Overtime class overwork and sleep pictures, crawling on the desk sleepy and tired

Overtime class overwork and sleep pictures, crawling on the desk sleepy and tired

Overtime class overwork and sleep pictures, crawling on the desk sleepy and tired

Female student, sitting at desk in classroom, thinking

Female student working in empty classroom, close up

Female student, sitting at desk in classroom, writing

Female student, sitting at desk in classroom, thinking

Two female students in empty classroom, talking

Teacher helping boy with classwork

Portrait of boy in classroom, sitting at desk, doing classwork

Portrait of girl in classroom, sitting at desk, doing classwork

Girl whispering to boy in classroom

Close up of schoolboy writing in class

Schoolboy struggling in educational exam

Teenage students (13-17) raising hands in classroom, side view

A girl reading a book

Singing Class, Siloam, Greene County, USA, Jack Delano, U.S. Farm Security Administration, October 1941

Serious female college student taking test at desk in classroom

Female student working in class

Female student working in class, portrait

Female student sitting in class, portrait

Businessman in office

Businesswoman stretching

Tired surgeon

Male student, sitting at desk in classroom, looking confused

Senior man sleeping and holding coffee cup

Beauty of Female

Man sleeping in a corridor

Japanese Businessmen Sleeping on Train

French Bulldog looking sleepy against white

Two women asleep in a lecture theatre

Drowsy man alone in lecture theatre

Depressed businessman

Higher education students

Tired woman with laundry in kitchen

University student working at computer desk

Students attending class

Confident male artist holding palette and paint abstract painting with paint brush on board in art studio

Austria, Students in class

Whisper traditional sinology class of primary school students

Whisper traditional sinology class of primary school students

Schoolgirl sitting studying in front of large chalkboard with schoolwork chalked on it

Female pupil's hand holding school book, close-up

Student sleeping during class

Girls in a craft lesson

Girls in a craft lesson

Portrait happy, confident male community college student in classroom

Girl using abacus

Boy holding up his drawing

Boy holding up his drawing

Girl studying

Girl studying

Girl studying

Girl studying

Schoolgirl sitting on floor reading in classroom at primary school

Serious students sitting for an examination in a classroom.

Students in a hospital classroom

Further education students

Female college student thinking in class, educational background material

University students raising hands in class

University students in classroom

Lecturer teaching University students in classroom

Male student sitting in lecture hall, portrait

University students working in lecture hall

University students working in lecture hall

Students sitting in lecture hall

University students in lecture hall

Male University student sitting in lecture hall

Male University student sitting in lecture hall

Female student working in classroom

Female student with hand on head in computer classroom

Female student working in computer classroom

Young man stretching, eyes closed

A beautiful college student Chinese sitting in the school campus classroom working hard to learn to raise their hands and speak to abide by classroom discipline, conscientiously study the monitor to ask questions from the class leader, excellent efforts a

Portrait of female mature student looking over her shoulder in class