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    Girl students using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl students using microscope, conducting scientific experiment in laboratory classroom
    Side view of a Caucasian teenage girl in an empty high school theatre, sitting in the auditorium preparing for a performance, holding a script and learning lines — Stock Photo
    Side view of a Caucasian teenage girl in an empty high school theatre, sitting in the auditorium preparing for a performance, holding a script and learning lines
    Junior high school boy opening notebook at desk in classroom — Stock Photo
    Junior high school boy opening notebook at desk in classroom
    Mixed race girl walking on a cactus trail with her long hair flying. — Stock Photo
    Mixed race girl walking on a cactus trail with her long hair flying.
    Mature teacher explaining student — Stock Photo
    Mature teacher explaining student
    Portrait confident young woman in hijab outside sunny building — Stock Photo
    Portrait confident young woman in hijab outside sunny building
    Teenagers with microphone and video camera vlogging — Stock Photo
    Teenagers with microphone and video camera vlogging
    Female teacher in hijab leading lesson, calling on students in classroom — Stock Photo
    Female teacher in hijab leading lesson, calling on students in classroom
    Portrait of confident schoolgirl — Stock Photo
    Portrait of confident schoolgirl
    Portrait of playful, exuberant junior high student smiling — Stock Photo
    Portrait of playful, exuberant junior high student smiling
    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
    Rear view of a multi-ethnic group of male and female teenage students talking as they walk through their school grounds — Stock Photo
    Rear view of a multi-ethnic group of male and female teenage students talking as they walk through their school grounds
    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
    A mother and daughter work on a tablet together — Stock Photo
    A mother and daughter work on a tablet together
    Portrait serious, focused young male basketball player team wearing black jerseys — Stock Photo
    Portrait serious, focused young male basketball player team wearing black jerseys
    Side view of a Caucasian teenage girl in an empty high school theatre, sitting in the auditorium preparing for a performance, holding a script and learning lines — Stock Photo
    Side view of a Caucasian teenage girl in an empty high school theatre, sitting in the auditorium preparing for a performance, holding a script and learning lines
    Female teacher and girl students examining molecular structure in classroom — Stock Photo
    Female teacher and girl students examining molecular structure in classroom
    Portrait of a mixed race 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 mixed race teenage girl with long, dark hair and brown eyes standing in a school classroom smiling to camera, with classmates talking in the background
    Junior high students using computer in computer lab — Stock Photo
    Junior high students using computer in computer lab
    Focused high school girl student taking exam at desk in classroom — Stock Photo
    Focused high school girl student taking exam at desk in classroom
    Confident young male basketball player shooting the ball and gesturing, celebrating — Stock Photo
    Confident young male basketball player shooting the ball and gesturing, celebrating
    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 tables — Stock Photo
    High school teacher supervising students taking exam at tables
    High angle close-up of wooden box with selection of charcoal sticks in different sizes. — Stock Photo
    High angle close-up of wooden box with selection of charcoal sticks in different sizes.
    Front view of a Caucasian and a mixed race teenage girls holding scripts sitting on the stage of a school theatre during rehearsals for a performance — Stock Photo
    Front view of a Caucasian and a mixed race teenage girls holding scripts sitting on the stage of a school theatre during rehearsals for a performance
    Focused high school boy student taking exam at desk — Stock Photo
    Focused high school boy student taking exam at desk
    Happy high school students clapping in debate class — Stock Photo
    Happy high school students clapping in debate class
    Portrait confident teenage boy high school student in shop class — Stock Photo
    Portrait confident teenage boy high school student in shop class
    Junior high students raising hands — Stock Photo
    Junior high students raising hands
    Junior high school students doing homework at desks in classroom — Stock Photo
    Junior high school students doing homework at desks in classroom
    High angle view of a multi-ethnic group of teenage school pupils sitting and standing around a table in a classroom looking at laptop and tablet computers together and talking at break time — Stock Photo
    High angle view of a multi-ethnic group of teenage school pupils sitting and standing around a table in a classroom looking at laptop and tablet computers together and talking at break time
    College students talking and studying in classroom — Stock Photo
    College students talking and studying in classroom
    Front view of a Caucasian teenage male and female musician rehearsing, the girl playing the violin and the boy playing the saxophone — Stock Photo
    Front view of a Caucasian teenage male and female musician rehearsing, the girl playing the violin and the boy playing the saxophone
    Portrait of a Caucasian female field hockey players, training before a game, standing on a hockey pitch with a hockey stick on her shoulder, looking at camera, with her teammates standing in a row behind her on a sunny day — Stock Photo
    Portrait of a Caucasian female field hockey players, training before a game, standing on a hockey pitch with a hockey stick on her shoulder, looking at camera, with her teammates standing in a row behind her on a sunny day
    Schoolgirl raising hand — Stock Photo
    Schoolgirl raising hand
    Eager students touching globe in geography teachers hands — Stock Photo
    Eager students touching globe in geography teachers hands
    Portrait of smiling, confident male teacher in classroom — Stock Photo
    Portrait of smiling, confident male teacher in classroom
    Young male basketball players playing on court in gymnasium — Stock Photo
    Young male basketball players playing on court in gymnasium
    Focused young male basketball player shooting the ball in gymnasium — Stock Photo
    Focused young male basketball player shooting the ball in gymnasium
    Side view of a mixed race teenage boy and African American teenage girl high school student sitting on chairs in an empty school theatre preparing before a performance, holding scripts and rehearsing together — Stock Photo
    Side view of a mixed race teenage boy and African American teenage girl high school student sitting on chairs in an empty school theatre preparing before a performance, holding scripts and rehearsing together
    Mature teacher explaining student — Stock Photo
    Mature teacher explaining student
    Portrait confident junior high girl student in library — Stock Photo
    Portrait confident junior high girl student in library
    Curious girl examining molecule model in classroom — Stock Photo
    Curious girl examining molecule model in classroom
    A mother and daughter laugh while looking at a tablet together — Stock Photo
    A mother and daughter laugh while looking at a tablet together
    Portrait smiling, confident young male basketball player team in black jerseys gesturing, celebrating victory — Stock Photo
    Portrait smiling, confident young male basketball player team in black jerseys gesturing, celebrating victory
    Male instructor leading lesson at projection screen in classroom — Stock Photo
    Male instructor leading lesson at projection screen in classroom
    Brother and sister playing tag at a cactus garden. — Stock Photo
    Brother and sister playing tag at a cactus garden.
    Young male basketball player shooting the ball on court in gymnasium — Stock Photo
    Young male basketball player shooting the ball on court in gymnasium
    College students using smart phones and hanging out — Stock Photo
    College students using smart phones and hanging out
    Side view of a teenage Caucasian boy in a school classroom sitting at desk, concentrating and smiling, with teenage male and female classmates sitting at desks working in the background — Stock Photo
    Side view of a teenage Caucasian boy in a school classroom sitting at desk, concentrating and smiling, 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 exercises, running, 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 exercises, running, on a sunny day
    Curious girl student examining molecular structure in classroom — Stock Photo
    Curious girl student examining molecular structure in classroom
    Close up focused young male basketball player shooting free throw — Stock Photo
    Close up focused young male basketball player shooting free throw
    Smiling girl students examining liquid in test tube, conducting scientific experiment in laboratory classroom — Stock Photo
    Smiling girl students examining liquid in test tube, conducting scientific experiment in laboratory classroom
    Wide view of young student getting virtual high five from teache — Stock Photo
    Wide view of young student getting virtual high five from teache
    Mature teacher explaining students — Stock Photo
    Mature teacher explaining students
    High angle front view of a Caucasian male teacher sitting in a classroom conducting a multi-ethnic group of teenage male and female musicians at a school band practice — Stock Photo
    High angle front view of a Caucasian male teacher sitting in a classroom conducting a multi-ethnic group of teenage male and female musicians at a school band practice
    High school teacher calling on students during lesson in classroom — Stock Photo
    High school teacher calling on students during lesson in classroom
    Rear view of a Caucasian male field hockey goalkeeper, diving to stop the ball with a hockey stick while training on the hockey pitch, with his teammates in the background on a sunny day — Stock Photo
    Rear view of a Caucasian male field hockey goalkeeper, diving to stop the ball with a hockey stick while training on the hockey pitch, with his teammates in the background on a sunny day
    Female teacher in hijab answering student questions in classroom — Stock Photo
    Female teacher in hijab answering student questions in classroom