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    Professor teaching in classroom with students at high school — Stock Photo
    Professor teaching in classroom with students at high school
    Happy female student reading book at desk in classroom — Stock Photo
    Happy female student reading book at desk in classroom
    Portrait confident junior high school boy studying in classroom — Stock Photo
    Portrait confident junior high school boy studying in classroom
    Front view of a teenage Caucasian boy in a school classroom sitting at desk, concentrating and looking out of the window, with teenage male and female classmates sitting at desks working in the background — Stock Photo
    Front view of a teenage Caucasian boy in a school classroom sitting at desk, concentrating and looking out of the window, with teenage male and female classmates sitting at desks working in the background
    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
    Young woman writing in book — Stock Photo
    Young woman writing in book
    Side view high angle of a Caucasian male field hockey player, sitting in the changing room, resting and focusing before a game — Stock Photo
    Side view high angle of a Caucasian male field hockey player, sitting in the changing room, resting and focusing before a game
    Side view of a group of female Caucasian field hockey players and their Caucasian male field hockey coach, training before a game, working out on a field hockey pitch, doing exercises, preparing for shooting training on a sunny day — Stock Photo
    Side view of a group of female Caucasian field hockey players and their Caucasian male field hockey coach, training before a game, working out on a field hockey pitch, doing exercises, preparing for shooting training on a sunny day
    Happy high school student friends walking in corridor — Stock Photo
    Happy high school student friends walking in corridor
    Male high school teacher helping boy student with homework in classroom — Stock Photo
    Male high school teacher helping boy student with homework in classroom
    College students studying in park — Stock Photo
    College students studying in park
    Mature female professor teaching students — Stock Photo
    Mature female professor teaching students
    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
    High school students and teacher clapping debate class — Stock Photo
    High school students and teacher clapping debate class
    Portrait confident young male college student in library — Stock Photo
    Portrait confident young male college student in library
    Side view of a multi-ethnic group of high school teenage male and female school pupils in a classroom, sitting at a table working together — Stock Photo
    Side view of a multi-ethnic group of high school teenage male and female school pupils in a classroom, sitting at a table working together
    Teenage boys in high school art class — Stock Photo
    Teenage boys in high school art class
    Portrait confident junior high school boy studying in classroom — Stock Photo
    Portrait confident junior high school boy studying in classroom
    Female science teacher and students in laboratory classroom — Stock Photo
    Female science teacher and students in laboratory classroom
    Curious boy examining molecule model in laboratory classroom — Stock Photo
    Curious boy examining molecule model in laboratory classroom
    Portrait confident female student in library — Stock Photo
    Portrait confident female student in library
    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 confident teenage girl in high school corridor — Stock Photo
    Portrait confident teenage girl in high school corridor
    Portrait confident young man standing outside sunny building — Stock Photo
    Portrait confident young man standing outside sunny building
    Low angle side view of a group of female Caucasian field hockey players training before a game, running on a stand up and down, on a sunny day — Stock Photo
    Low angle side view of a group of female Caucasian field hockey players training before a game, running on a stand up and down, on a sunny day
    Thoughtful teenage girl looking out window — Stock Photo
    Thoughtful teenage girl looking out window
    Junior high school student using virtual reality simulator glasses in classroom — Stock Photo
    Junior high school student using virtual reality simulator glasses in classroom
    Portrait of a Caucasian female field hockey player, preparing before a game, standing in a changing room, wearing a hockey helmet, with her teammates standing in a row behind her — Stock Photo
    Portrait of a Caucasian female field hockey player, preparing before a game, standing in a changing room, wearing a hockey helmet, with her teammates standing in a row behind her
    Dedicated college students studying in classroom — Stock Photo
    Dedicated college students studying in classroom
    Surprised students conducting scientific experiment, watching chemical reaction in classroom laboratory — Stock Photo
    Surprised students conducting scientific experiment, watching chemical reaction in classroom laboratory
    Female friends talking in locker room — Stock Photo
    Female friends talking in locker room
    Young women friends using smart phone — Stock Photo
    Young women friends using smart phone
    Smiling female instructor with paperwork preparing in classroom — Stock Photo
    Smiling female instructor with paperwork preparing in classroom
    Students in chemistery science class — Stock Photo
    Students in chemistery science class
    Front view of a Caucasian female field hockey goalkeeper and a Caucasian male field hockey coach preparing before a game, standing in a changing room, discussing game plan, with other hockey players standing in a row behind them — Stock Photo
    Front view of a Caucasian female field hockey goalkeeper and a Caucasian male field hockey coach preparing before a game, standing in a changing room, discussing game plan, with other hockey players standing in a row behind them
    High angle front view of a teenage mixed race male field hockey player, lying down on a field hokey pitch, resting, focusing before a game on a sunny day — Stock Photo
    High angle front view of a teenage mixed race male field hockey player, lying down on a field hokey pitch, resting, focusing before a game 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
    Side view of a group of female Caucasian field hockey players, training before a game, working out on a field hockey pitch, doing exercises, stretching their legs, holding hockey sticks 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, stretching their legs, holding hockey sticks on a sunny day
    View from above high school students finishing exam at desks — Stock Photo
    View from above high school students finishing exam at desks
    Front view of a group of female Caucasian field hockey players and their Caucasian male coach training before a game, standing on a hockey pitch, resting, on a sunny day — Stock Photo
    Front view of a group of female Caucasian field hockey players and their Caucasian male coach training before a game, standing on a hockey pitch, resting, on a sunny day
    Male instructor leading lesson at projection screen in classroom — Stock Photo
    Male instructor leading lesson at projection screen in classroom
    Smiling girl conducting scientific experiment in laboratory classroom — Stock Photo
    Smiling girl conducting scientific experiment in laboratory classroom
    Two teenage boys standing and greeting on the urban basket court — Stock Photo
    Two teenage boys standing and greeting on the urban basket court
    College students studying together in classroom — Stock Photo
    College students studying together in classroom
    Junior high school students with hands raised during lesson in classroom — Stock Photo
    Junior high school students with hands raised during lesson in classroom
    High school students clapping in debate class — Stock Photo
    High school students clapping in debate class
    High angle view of students standing in locker room — Stock Photo
    High angle view of students standing in locker room
    Empty seats and stage in a school theatre from the back of the auditorium in a high school with the lights off — Stock Photo
    Empty seats and stage in a school theatre from the back of the auditorium in a high school with the lights off
    Portrait close up of a teenage Caucasian male field hockey player, wearing a red team strip, standing in the changing room, looking straight to camera, focusing before a game — Stock Photo
    Portrait close up of a teenage Caucasian male field hockey player, wearing a red team strip, standing in the changing room, looking straight to camera, focusing before a game
    High school girl student taking exam at desk in classroom — Stock Photo
    High school girl student taking exam at desk in classroom
    Curious students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Curious students watching chemical reaction, conducting scientific experiment in laboratory classroom
    High school teacher supervising students taking exam at desks — Stock Photo
    High school teacher supervising students taking exam at desks
    Focused high school boy student taking exam at desk in classroom — Stock Photo
    Focused high school boy student taking exam at desk 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
    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
    High school students taking exam at tables — Stock Photo
    High school students taking exam at tables
    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
    Portrait of a teenage mixed race male field hockey player, wearing a red team strip, standing on a field hockey pitch, looking to camera, focusing before a game, with his teammates in the background on a sunny day — Stock Photo
    Portrait of a teenage mixed race male field hockey player, wearing a red team strip, standing on a field hockey pitch, looking to camera, focusing before a game, with his teammates in the background on a sunny day
    Low section front view close up of two teenage female high school pupils, using smartphones and sitting on steps in the school grounds — Stock Photo
    Low section front view close up of two teenage female high school pupils, using smartphones and sitting on steps in the school grounds
    Skeleton model in high school hallway, Winston-Salem, North Carolina, USA — Stock Photo
    Skeleton model in high school hallway, Winston-Salem, North Carolina, USA