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    Curious girl examining molecule model in classroom — Stock Photo
    Curious girl examining molecule model in classroom
    Portrait close up of a Caucasian male field hockey goalkeeper, wearing black hockey uniform and a helmet, standing on the pitch and looking to camera, with his teammates in the background on a sunny day — Stock Photo
    Portrait close up of a Caucasian male field hockey goalkeeper, wearing black hockey uniform and a helmet, standing on the pitch and looking to camera, with his teammates in the background on a sunny day
    Male teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and students conducting scientific experiment in laboratory classroom
    High school students taking exam at desks in classroom — Stock Photo
    High school students taking exam at desks in classroom
    Focused high school boy student taking exam at desk in classroom — Stock Photo
    Focused high school boy student taking exam at desk in classroom
    High school students talking in classroom — Stock Photo
    High school students talking in classroom
    Front 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
    Front 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
    Side view of a multi-ethnic group of teenage male and female high school pupils in a classroom, working on computers and concentrating — Stock Photo
    Side view of a multi-ethnic group of teenage male and female high school pupils in a classroom, working on computers and concentrating
    Happy female high school student sitting at classroom — Stock Photo
    Happy female high school student sitting at classroom
    Curious students examining DNA model in classroom — Stock Photo
    Curious students examining DNA model in classroom
    Curious junior high school student looking at map on computer in classroom — Stock Photo
    Curious junior high school student looking at map on computer in classroom
    Front view of a multi-ethnic group of teenage school pupils standing together in a classroom looking at a tablet computer and smiling at break time — Stock Photo
    Front view of a multi-ethnic group of teenage school pupils standing together in a classroom looking at a tablet computer and smiling at break time
    College students talking and walking in corridor — Stock Photo
    College students talking and walking in corridor
    Side view close up of a Caucasian female conductor directing a 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 Caucasian female conductor directing a 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
    Attentive high school students listening in classroom — Stock Photo
    Attentive high school students listening in classroom
    Teenage girls studying, talking on bed — Stock Photo
    Teenage girls studying, talking on bed
    Portrait smiling high school girl in stairway — Stock Photo
    Portrait smiling high school girl in stairway
    Female teacher and girl student conducting scientific experiment at microscope in laboratory — Stock Photo
    Female teacher and girl student conducting scientific experiment at microscope in laboratory
    Teacher talking to high school students sitting in common room — Stock Photo
    Teacher talking to high school students sitting in common room
    Front view close up of a teenage mixed-race boy in a school classroom sitting at desk, concentrating and using tablet computer, with teenage male and female classmates sitting at desks working in the background — Stock Photo
    Front view close up of a teenage mixed-race boy in a school classroom sitting at desk, concentrating and using tablet computer, with teenage male and female classmates sitting at desks working in the background
    Side view of a group of female Caucasian field hockey players, training before a game, working out on a field hockey pitch, doing push ups, on a sunny day — Stock Photo
    Side view of a group of female Caucasian field hockey players, training before a game, working out on a field hockey pitch, doing push ups, on a sunny day
    Male high school teacher leading lesson at projection screen in classroom — Stock Photo
    Male high school teacher leading lesson at projection screen in classroom
    High school girl students with hands raised during lesson in classroom — Stock Photo
    High school girl students with hands raised during lesson in classroom
    Smiling female high school student in classroom — Stock Photo
    Smiling female high school student in classroom
    Boy drawing bar graph — Stock Photo
    Boy drawing bar graph
    Happy college students talking and studying in library — Stock Photo
    Happy college students talking and studying in library
    Side view low section close up of a group of female Caucasian field hockey players preparing before a game, sitting in a changing room, tying their shoes — Stock Photo
    Side view low section close up of a group of female Caucasian field hockey players preparing before a game, sitting in a changing room, tying their shoes
    Focused high school students taking exam at desks in classroom — Stock Photo
    Focused high school students taking exam at desks in classroom
    Curious, smiling students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Curious, smiling students watching chemical reaction, conducting scientific experiment in laboratory classroom
    Students during IT lesson at class — Stock Photo
    Students during IT lesson at class
    Junior high students using computers in computer lab — Stock Photo
    Junior high students using computers in computer lab
    Cropped view of high school students studying at common room — Stock Photo
    Cropped view of high school students studying at common room
    Front view close up of a Caucasian teenage female high school pupil, using a tablet and sitting on steps in the school grounds — Stock Photo
    Front view close up of a Caucasian teenage female high school pupil, using a tablet and sitting on steps in the school grounds
    Portrait confident young male college student in library — Stock Photo
    Portrait confident young male college student in library
    Side view of a team of female Caucasian field hockey players, during a field hockey game, celebrating a goal, with disappointed opponents standing in the background, on a sunny day — Stock Photo
    Side view of a team of female Caucasian field hockey players, during a field hockey game, celebrating a goal, with disappointed opponents standing in the background, on a sunny day
    High school girls talking on stairs — Stock Photo
    High school girls talking on stairs
    Portrait teenage girl wearing hijab — Stock Photo
    Portrait teenage girl wearing hijab
    Skeletal system of adult female — Stock Photo
    Skeletal system of adult female
    Portrait of confident, smiling junior high student — Stock Photo
    Portrait of confident, smiling junior high student
    Girl student examining pink liquid, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student examining pink liquid, conducting scientific experiment in laboratory classroom
    College students using computer in library — Stock Photo
    College students using computer in library
    Side view of multi-ethnic group of high school teenagers in a school classroom sitting at desks, all raising their hands to answer a question — Stock Photo
    Side view of multi-ethnic group of high school teenagers in a school classroom sitting at desks, all raising their hands to answer a question
    Junior high school girl student doing homework at desk in classroom — Stock Photo
    Junior high school girl student doing homework at desk in classroom
    Portrait of a Caucasian teenage girl with long, dark hair and brown eyes standing in a school classroom smiling to camera, with classmates talking in the background — Stock Photo
    Portrait of a Caucasian teenage girl with long, dark hair and brown eyes standing in a school classroom smiling to camera, with classmates talking in the background
    Low angle view, looking up at a multi-ethnic team of teenage male field hockey players and their Caucasian male field hockey coach preparing before a game, in a huddle on the pitch, interacting on a sunny day — Stock Photo
    Low angle view, looking up at a multi-ethnic team of teenage male field hockey players and their Caucasian male field hockey coach preparing before a game, in a huddle on the pitch, interacting on a sunny day
    Young male basketball player dunking the ball into hoop with defenders below — Stock Photo
    Young male basketball player dunking the ball into hoop with defenders below
    High school teacher supervising students taking exam at desks — Stock Photo
    High school teacher supervising students taking exam at desks
    Focused teenage boy with clipboard vlogging — Stock Photo
    Focused teenage boy with clipboard vlogging
    Front view of a multi-ethnic group of teenage school pupils standing together in a classroom and smiling to camera at break time — Stock Photo
    Front view of a multi-ethnic group of teenage school pupils standing together in a classroom and smiling to camera at break time
    Side view of a group of female Caucasian field hockey players, before a game, standing in a row, greeting the opponents, on a sunny day — Stock Photo
    Side view of a group of female Caucasian field hockey players, before a game, standing in a row, greeting the opponents, on a sunny day
    Children painting in class indoors — Stock Photo
    Children painting in class indoors
    Front view of a group of female Caucasian field hockey players preparing before a game, kneeling in front of their Caucasian male coach, on a hockey pitch, who gives them game plan, on a sunny day — Stock Photo
    Front view of a group of female Caucasian field hockey players preparing before a game, kneeling in front of their Caucasian male coach, on a hockey pitch, who gives them game plan, on a sunny day
    Portrait of a Caucasian male field hockey coach, preparing his team for a game, standing on a hockey pitch, looking at camera, with his team playing with a ball in the background on a sunny day — Stock Photo
    Portrait of a Caucasian male field hockey coach, preparing his team for a game, standing on a hockey pitch, looking at camera, with his team playing with a ball in the background on a sunny day
    Curious students conducting scientific experiment, watching liquid in vial in laboratory classroom — Stock Photo
    Curious students conducting scientific experiment, watching liquid in vial in laboratory classroom
    Students sitting on lecture with teacher in classroom — Stock Photo
    Students sitting on lecture with teacher in classroom
    Focused college students studying in classroom — Stock Photo
    Focused college students studying in classroom
    Side view of a male Caucasian teacher standing and talking with a teenage Caucasian boy working on a computer and concentrating in a classroom, with teenage male classmates sitting at desks working in the foreground and background — Stock Photo
    Side view of a male Caucasian teacher standing and talking with a teenage Caucasian boy working on a computer and concentrating in a classroom, with teenage male classmates sitting at desks working in the foreground and background
    Rear view of a Caucasian male high school teacher sitting on a chair on the stage in an empty school theatre and pointing during rehearsals for a performance, preparing a multi-ethnic group of teenage high school students for a performance — Stock Photo
    Rear view of a Caucasian male high school teacher sitting on a chair on the stage in an empty school theatre and pointing during rehearsals for a performance, preparing a multi-ethnic group of teenage high school students for a performance
    Aerial view of Wuming Buddhist College at night of Seda County, Sichuan province, China — Stock Photo
    Aerial view of Wuming Buddhist College at night of Seda County, Sichuan province, China
    Smiling college students descending staircase — Stock Photo
    Smiling college students descending staircase