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    Girl students examining liquid in beaker, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl students examining liquid in beaker, conducting scientific experiment in laboratory classroom
    Male teacher helping girl student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher helping girl student using microscope, conducting scientific experiment in laboratory classroom
    Close up focused, attentive high school girl student listening in classroom — Stock Photo
    Close up focused, attentive high school girl student listening in classroom
    Students painting in class over table — Stock Photo
    Students painting in class over table
    Schoolboy using digital tablet — Stock Photo
    Schoolboy using digital tablet
    Confident, happy female instructor preparing in classroom — Stock Photo
    Confident, happy female instructor preparing in classroom
    Male instructor leading lesson at projection screen in classroom — Stock Photo
    Male instructor leading lesson at projection screen in classroom
    University students studying in library — Stock Photo
    University students studying in library
    Focused young male basketball player shooting free throw — Stock Photo
    Focused young male basketball player shooting free throw
    Students moving down steps — Stock Photo
    Students moving down steps
    Side view of a Caucasian female field hockey player, during a field hockey game, executing a penalty kick, with a goal protected by a goalkeeper in the background, on a sunny day — Stock Photo
    Side view of a Caucasian female field hockey player, during a field hockey game, executing a penalty kick, with a goal protected by a goalkeeper in the background, on a sunny day
    Side view of a group of female Caucasian field hockey players preparing before a game, sitting on a stand, holding hockey sticks, with their Caucasian male field hockey coach standing in front of them, talking about game plan on a sunny day — Stock Photo
    Side view of a group of female Caucasian field hockey players preparing before a game, sitting on a stand, holding hockey sticks, with their Caucasian male field hockey coach standing in front of them, talking about game plan on a sunny day
    Portrait confident college students in shop class — Stock Photo
    Portrait confident college students in shop class
    Front view of a multi-ethnic group of teenage school pupils and their Caucasian male teacher standing in a classroom looking at laptop computers together and smiling — Stock Photo
    Front view of a multi-ethnic group of teenage school pupils and their Caucasian male teacher standing in a classroom looking at laptop computers together and smiling
    High school girls talking on stair landing — Stock Photo
    High school girls talking on stair landing
    Students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Students watching chemical reaction, conducting scientific experiment in laboratory classroom
    Girl student using microscope in classroom — Stock Photo
    Girl student using microscope in classroom
    Focused junior high school student doing homework in classroom — Stock Photo
    Focused junior high school student doing homework in classroom
    Portrait of playful junior high girl student wearing virtual reality glasses — Stock Photo
    Portrait of playful junior high girl student wearing virtual reality glasses
    Young male basketball player jumping to slam dunk basketball in game on court in gymnasium — Stock Photo
    Young male basketball player jumping to slam dunk basketball in game on court in gymnasium
    Male high school student sitting on lockers and talking with female classmates — Stock Photo
    Male high school student sitting on lockers and talking with female classmates
    Portrait of a Caucasian teenage boy sitting at a desk in a school classroom looking out of the window, thinking — Stock Photo
    Portrait of a Caucasian teenage boy sitting at a desk in a school classroom looking out of the window, thinking
    Portrait confident junior high students and teachers from above — Stock Photo
    Portrait confident junior high students and teachers from above
    Boy students conducting scientific experiment, examining liquid in test tube in laboratory classroom — Stock Photo
    Boy students conducting scientific experiment, examining liquid in test tube in laboratory classroom
    Portrait confident senior woman studying in adult education classroom — Stock Photo
    Portrait confident senior woman studying in adult education classroom
    Side view of a group of female Caucasian field hockey players training before a game, standing on a hockey pitch, resting, on a sunny day — Stock Photo
    Side view of a group of female Caucasian field hockey players training before a game, standing on a hockey pitch, resting, on a sunny day
    Mature teacher explaining student — Stock Photo
    Mature teacher explaining student
    Portrait of a Caucasian teenage girl sitting at a desk in a school classroom writing in a notebook and looking to camera smiling, with classmates sitting at desks working in the background — Stock Photo
    Portrait of a Caucasian teenage girl sitting at a desk in a school classroom writing in a notebook and looking to camera smiling, with classmates sitting at desks working in the background
    Front view of a group of confident female Caucasian field hockey players, preparing before a game, standing in a row, with arms crossed, looking at camera, on a sunny day — Stock Photo
    Front view of a group of confident female Caucasian field hockey players, preparing before a game, standing in a row, with arms crossed, looking at camera, on a sunny day
    Rear view of a Caucasian woman conductor directing 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
    Rear view of a Caucasian woman conductor directing 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
    University female african student wearing protective face mask outside on campus. New normal in college. — Stock Photo
    University female african student wearing protective face mask outside on campus. New normal in college.
    Focused high school girl student taking exam looking up — Stock Photo
    Focused high school girl student taking exam looking up
    Students writing their GCSE exam in classroom — Stock Photo
    Students writing their GCSE exam in classroom
    Portrait confident young male college student in shop class — Stock Photo
    Portrait confident young male college student in shop class
    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
    Side view of a group of female Caucasian field hockey players, preparing before a game, concentrating, motivating, huddling, on a sunny day — Stock Photo
    Side view of a group of female Caucasian field hockey players, preparing before a game, concentrating, motivating, huddling, on a sunny day
    Pre-teen daughter of mixed race hugging her Caucasian father. — Stock Photo
    Pre-teen daughter of mixed race hugging her Caucasian father.
    Girl student conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student conducting scientific experiment in laboratory classroom
    Side view of a Caucasian female field hockey players, after a field hockey game, kneeling, leaning her head on a hockey stick with disappointment, with her teammates in the background, on a sunny day — Stock Photo
    Side view of a Caucasian female field hockey players, after a field hockey game, kneeling, leaning her head on a hockey stick with disappointment, with her teammates in the background, on a sunny day
    Side view of two Caucasian teenage girls with long dark hair sitting in front of a window playing a flute and a ukulele and looking to camera — Stock Photo
    Side view of two Caucasian teenage girls with long dark hair sitting in front of a window playing a flute and a ukulele and looking to camera
    College students studying together in classroom — Stock Photo
    College students studying together in classroom
    Junior high boy students playing basketball in schoolyard — Stock Photo
    Junior high boy students playing basketball in schoolyard
    Side view of a group of female Caucasian field hockey players, training before a game, working out on a field hockey pitch, exercising, stretching, 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, exercising, stretching, on a sunny day
    Portrait close up of a Caucasian teenage boy with dark hair and grey eyes sitting at a desk in a school classroom wearing headphones and looking at of a window — Stock Photo
    Portrait close up of a Caucasian teenage boy with dark hair and grey eyes sitting at a desk in a school classroom wearing headphones and looking at of a window
    Pens and index cards on desks in empty classroom — Stock Photo
    Pens and index cards on desks in empty 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 mid section of teenage boy musician standing playing a saxophone front of a window during a school band practice — Stock Photo
    Front view mid section of teenage boy musician standing playing a saxophone front of a window during a school band practice
    College students studying in classroom — Stock Photo
    College students studying in classroom
    Young male basketball players playing game on court in gymnasium — Stock Photo
    Young male basketball players playing game on court in gymnasium
    University student using microscope — Stock Photo
    University student using microscope
    KABUL BULELENG, BALI, INDONESIA - AUGUST 17, 2015: performance of the Ramayana epic by the local dance school, boys sitting on ground in traditional wear with musical instruments — Stock Photo
    KABUL BULELENG, BALI, INDONESIA - AUGUST 17, 2015: performance of the Ramayana epic by the local dance school, boys sitting on ground in traditional wear with musical instruments
    Portrait of a teenage Caucasian male field hockey player with red hair, wearing a red team strip, standing on a hockey pitch, with his teammates in the background on a sunny day — Stock Photo
    Portrait of a teenage Caucasian male field hockey player with red hair, wearing a red team strip, standing on a hockey pitch, with his teammates in the background on a sunny day
    Junior high school students using virtual reality simulators in classroom — Stock Photo
    Junior high school students using virtual reality simulators in classroom
    Portrait enthusiastic junior high students and teachers cheering with arms raised — Stock Photo
    Portrait enthusiastic junior high students and teachers cheering with arms raised
    Front view of a multi-ethnic team of teenage male field hockey players preparing before a game, standing on the pitch in a row, wearing their team strip, with their hands behind their backs, looking to camera on a sunny day — Stock Photo
    Front view of a multi-ethnic team of teenage male field hockey players preparing before a game, standing on the pitch in a row, wearing their team strip, with their hands behind their backs, looking to camera 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
    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
    Smiling junior high girl student with braces — Stock Photo
    Smiling junior high girl student with braces
    Front view of teenage Caucasian female high school student with long blonde hair wearing a cap and gown, holding a diploma and smiling on her graduation day — Stock Photo
    Front view of teenage Caucasian female high school student with long blonde hair wearing a cap and gown, holding a diploma and smiling on her graduation day
    Junior high school student using digital tablet in classroom — Stock Photo
    Junior high school student using digital tablet in classroom