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    Front view of a multi-ethnic group of teenage pupils concentrating sitting at desks in class studying at school in a high school — Stock Photo
    Front view of a multi-ethnic group of teenage pupils concentrating sitting at desks in class studying at school in a high school
    Junior high school students using virtual reality simulators in dark classroom — Stock Photo
    Junior high school students using virtual reality simulators in dark classroom
    University students studying in library — Stock Photo
    University students studying in library
    High school students talking on stair landing — Stock Photo
    High school students talking on stair landing
    College students with digital tablet studying in park — Stock Photo
    College students with digital tablet studying in park
    Surprised, curious students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Surprised, curious students watching chemical reaction, conducting scientific experiment in laboratory classroom
    Portrait of confident junior high students — Stock Photo
    Portrait of confident junior high students
    College students walking and talking in corridor — Stock Photo
    College students walking and talking in corridor
    University student using microscope — Stock Photo
    University student using microscope
    High school students sitting at table in common room — Stock Photo
    High school students sitting at table in common room
    Front view of a Caucasian teenage girl and boy embracing and smiling while the boy takes a selfie of them with a smartphone in their school grounds, another teenage couple sitting in the background — Stock Photo
    Front view of a Caucasian teenage girl and boy embracing and smiling while the boy takes a selfie of them with a smartphone in their school grounds, another teenage couple sitting in the background
    College students talking outside sunny building — Stock Photo
    College students talking outside sunny building
    Portrait close up of a Caucasian teenage boy with short dark hair and grey eyes standing in a school classroom smiling to camera, with classmates talking in the background — Stock Photo
    Portrait close up of a Caucasian teenage boy with short dark hair and grey eyes standing in a school classroom smiling to camera, with classmates talking in the background
    Girl students using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl students using microscope, conducting scientific experiment in laboratory classroom
    Front view of two Caucasian teenage boys and a mixed race teenage girl in discussion, holding scripts and smiling in the auditorium of an empty school theatre during rehearsals for a performance — Stock Photo
    Front view of two Caucasian teenage boys and a mixed race teenage girl in discussion, holding scripts and smiling in the auditorium of an empty school theatre during rehearsals for a performance
    University students studying in library — Stock Photo
    University students studying in library
    Side view of a multi-ethnic group of teenage pupils sitting at desks in class studying at school with a Caucasian male teacher standing and talking to one Caucasian girl at her desk — Stock Photo
    Side view of a multi-ethnic group of teenage pupils sitting at desks in class studying at school with a Caucasian male teacher standing and talking to one Caucasian girl at her desk
    Portrait of smiling schoolboy — Stock Photo
    Portrait of smiling schoolboy
    Girl students conducting chemistry experiment in classroom laboratory — Stock Photo
    Girl students conducting chemistry experiment in classroom laboratory
    Male teacher leading lesson at touch screen in classroom — Stock Photo
    Male teacher leading lesson at touch screen in classroom
    Students studying in adult education classroom — Stock Photo
    Students studying in adult education classroom
    Eager girl students raising arms behind microscopes in laboratory classroom — Stock Photo
    Eager girl students raising arms behind microscopes in laboratory classroom
    Teenage girls studying, talking on bed — Stock Photo
    Teenage girls studying, talking on bed
    High angle view of rural female teacher and chinese pupils smiling at camera in the classroom — Stock Photo
    High angle view of rural female teacher and chinese pupils smiling at camera in the classroom
    Side view of a teenage Caucasian boy and a teenage African American girl in a high school classroom sitting at desks, working together and reading, with teenage classmates sitting at desks working in the background — Stock Photo
    Side view of a teenage Caucasian boy and a teenage African American girl in a high school classroom sitting at desks, working together and reading, with teenage classmates sitting at desks working in the background
    Front view close up of a teenage Caucasian girl in a school classroom sitting at desk, concentrating and reading, with teenage male and female classmates sitting at desks working in the background — Stock Photo
    Front view close up of a teenage Caucasian girl in a school classroom sitting at desk, concentrating and reading, with teenage male and female classmates sitting at desks working in the background
    Front view of a Caucasian female and male high school student couple hanging out, standing in their school grounds, the boy piggybacking the girl — Stock Photo
    Front view of a Caucasian female and male high school student couple hanging out, standing in their school grounds, the boy piggybacking the girl
    Focused boy students using digital tablet and microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Focused boy students using digital tablet and microscope, conducting scientific experiment in laboratory classroom
    Professor collecting test from students in classroom — Stock Photo
    Professor collecting test from students in classroom
    Portrait of playful, exuberant junior high student smiling — Stock Photo
    Portrait of playful, exuberant junior high student smiling
    Happy high school students clapping in debate class — Stock Photo
    Happy high school students clapping in debate class
    Focused college students studying in classroom — Stock Photo
    Focused college students studying in classroom
    High school teacher supervising students taking exam at desks — Stock Photo
    High school teacher supervising students taking exam at desks
    University students studying in library — Stock Photo
    University students studying in library
    Young college students studying together in classroom — Stock Photo
    Young college students studying together in classroom
    Female art students working in art studio — Stock Photo
    Female art students working in art studio
    Side view close up of a multi-ethnic group of teenage male and female choristers holding sheet music and singing standing on the stage of a school theatre during rehearsals for a performance — Stock Photo
    Side view close up of a multi-ethnic group of teenage male and female choristers holding sheet music and singing standing on the stage of a school theatre during rehearsals for a performance
    College students studying in classroom — Stock Photo
    College students studying in classroom
    Junior high students using computer in computer lab — Stock Photo
    Junior high students using computer in computer lab
    Junior high school students using virtual reality simulators in classroom — Stock Photo
    Junior high school students using virtual reality simulators in classroom
    Portrait confident junior high school boy student doing homework in classroom — Stock Photo
    Portrait confident junior high school boy student doing homework in classroom
    Junior high school students pointing at globe in geography teacher hands — Stock Photo
    Junior high school students pointing at globe in geography teacher hands
    Girl students using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl students using microscope, conducting scientific experiment in laboratory classroom
    Girl students using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl students using microscope, conducting scientific experiment in laboratory classroom
    Front view of a teenage Caucasian boy and a teenage African American girl in a high school classroom sitting a desk, using a tablet computer, with teenage classmates sitting at desks working in the background — Stock Photo
    Front view of a teenage Caucasian boy and a teenage African American girl in a high school classroom sitting a desk, using a tablet computer, with teenage classmates sitting at desks working in the background
    Front view of a teenage Caucasian girl in a school classroom sitting at desk, concentrating and writing, with teenage male and female classmates sitting at desks working in the background — Stock Photo
    Front view of a teenage Caucasian girl in a school classroom sitting at desk, concentrating and writing, with teenage male and female classmates sitting at desks working in the background
    Focused high school students taking exam at desks in classroom — Stock Photo
    Focused high school students taking exam at desks in classroom
    High school teacher supervising students taking exam at desks — Stock Photo
    High school teacher supervising students taking exam at desks
    Portrait happy junior high students and teachers in library — Stock Photo
    Portrait happy junior high students and teachers in library
    High school teacher helping students with homework in classroom — Stock Photo
    High school teacher helping students with homework in classroom
    Rear view of a Caucasian teenage boy standing in the auditorium directing a teenage girl on stage in an empty school theatre during rehearsals for a performance — Stock Photo
    Rear view of a Caucasian teenage boy standing in the auditorium directing a teenage girl on stage in an empty school theatre during rehearsals for a performance
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    Two handsome teenage boys sitting on the wall repairing a skateboard — Stock Photo
    Two handsome teenage boys sitting on the wall repairing a skateboard
    College student raising hand in computer lab classroom — Stock Photo
    College student raising hand in computer lab classroom
    Girl students conducting scientific experiment behind test tubes and bottles in laboratory classroom — Stock Photo
    Girl students conducting scientific experiment behind test tubes and bottles in laboratory classroom
    Junior high school girl student with hand raised in classroom — Stock Photo
    Junior high school girl student with hand raised in classroom
    Front view of a multi-ethnic group of teenage male and female choristers holding sheet music and singing standing on the stage of a school theatre during rehearsals for a performance — Stock Photo
    Front view of a multi-ethnic group of teenage male and female choristers holding sheet music and singing standing on the stage of a school theatre during rehearsals for a performance
    Young college students studying together in classroom — Stock Photo
    Young college students studying together in classroom
    Mature female professor teaching students — Stock Photo
    Mature female professor teaching students
    Front view of an male Caucasian teacher standing and talking to a Caucasian male student in a multi-ethnic class of teenagers in a high school classroom sitting at desks and working — Stock Photo
    Front view of an male Caucasian teacher standing and talking to a Caucasian male student in a multi-ethnic class of teenagers in a high school classroom sitting at desks and working