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    Students examining liquid in test tube, conducting scientific experiment in laboratory classroom — Stock Photo
    Students examining liquid in test tube, conducting scientific experiment in laboratory classroom
    Portrait confident junior high school boy studying in classroom — Stock Photo
    Portrait confident junior high school boy studying in classroom
    Portrait of a Caucasian teenage girl sitting at a desk in a school classroom using a laptop computer 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 using a laptop computer and looking to camera smiling, with classmates sitting at desks working in the background
    Rear view of a Caucasian female field hockey goalkeeper, during a field hockey game, standing in a goal, preparing to defend a penalty kick, with her teammates and opponents in the background, on a sunny day — Stock Photo
    Rear view of a Caucasian female field hockey goalkeeper, during a field hockey game, standing in a goal, preparing to defend a penalty kick, with her teammates and opponents in the background, on a sunny day
    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, bending down to their feet 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, bending down to their feet on a sunny day
    High school students with hands raised in debate class — Stock Photo
    High school students with hands raised in debate class
    Junior high students using computers in computer lab — Stock Photo
    Junior high students using computers in computer lab
    Eager, smiling students raising hands in science laboratory classroom — Stock Photo
    Eager, smiling students raising hands in science laboratory classroom
    Students using computer in classroom — Stock Photo
    Students using computer in classroom
    Side view of a teenage Caucasian boy in a school classroom sitting at desk, concentrating and writing, with teenage mixed race male and African American female classmates sitting at desks working in the on either side of him — Stock Photo
    Side view of a teenage Caucasian boy in a school classroom sitting at desk, concentrating and writing, with teenage mixed race male and African American female classmates sitting at desks working in the on either side of him
    Curious girl student examining molecular structure in classroom — Stock Photo
    Curious girl student examining molecular structure in classroom
    Junior high students using computer in library — Stock Photo
    Junior high students using computer in library
    Eager junior high school students with hands raised in classroom — Stock Photo
    Eager junior high school students with hands raised in classroom
    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
    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
    Side view of a Caucasian male field hockey coach interacting with a group of female Caucasian field hockey players, sitting in a changing room, showing them a game plan — Stock Photo
    Side view of a Caucasian male field hockey coach interacting with a group of female Caucasian field hockey players, sitting in a changing room, showing them a game plan
    Overhead view of a teenage Caucasian girl in a school classroom sitting at desk, concentrating and using a laptop computer — Stock Photo
    Overhead view of a teenage Caucasian girl in a school classroom sitting at desk, concentrating and using a laptop computer
    Boy student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Boy student using microscope, conducting scientific experiment in laboratory classroom
    Teacher helping junior high school students at desk in classroom — Stock Photo
    Teacher helping junior high school students at desk in classroom
    Rear view of a multi-ethnic group of teenage male field hockey players, training before a game, working out on a field hockey pitch, sprinting on a sunny day — Stock Photo
    Rear view of a multi-ethnic group of teenage male field hockey players, training before a game, working out on a field hockey pitch, sprinting on a sunny day
    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
    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
    Junior high students using computer in computer lab — Stock Photo
    Junior high students using computer in computer lab
    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
    Side view of a Caucasian female conductor and a multi-ethnic group of teenage male and female choristers standing opposite, singing on the stage of a school theatre during rehearsals for a performance — Stock Photo
    Side view of a Caucasian female conductor and a multi-ethnic group of teenage male and female choristers standing opposite, singing on the stage of a school theatre during rehearsals for a performance
    Side view of a teenage Caucasian boy in a school classroom sitting at desk, concentrating, looking out of the window and leaning his head on his hand — Stock Photo
    Side view of a teenage Caucasian boy in a school classroom sitting at desk, concentrating, looking out of the window and leaning his head on his hand
    Side view of a multi-ethnic group of teenage male field hockey players, preparing before a game, sitting in a changing room, getting ready, tying shoes and focusing — Stock Photo
    Side view of a multi-ethnic group of teenage male field hockey players, preparing before a game, sitting in a changing room, getting ready, tying shoes and focusing
    High school girl student doing homework at table in classroom — Stock Photo
    High school girl student doing homework at table in classroom
    Curious students examining DNA model in classroom — Stock Photo
    Curious students examining DNA model in classroom
    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
    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
    Portrait confident junior high girl student with braces — Stock Photo
    Portrait confident junior high girl student with braces
    Junior high school students studying in classroom — Stock Photo
    Junior high school students studying in classroom
    Teacher helping junior high school students at desk in classroom — Stock Photo
    Teacher helping junior high school students at desk in classroom
    Side view of a male Caucasian teacher standing and talking with a teenage Caucasian girl working on a computer and concentrating in a classroom, with teenage male and female classmates sitting at desks working in the background and foreground — Stock Photo
    Side view of a male Caucasian teacher standing and talking with a teenage Caucasian girl working on a computer and concentrating in a classroom, with teenage male and female classmates sitting at desks working in the background and foreground
    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 students with hands raised asking questions during lesson in classroom — Stock Photo
    High school students with hands raised asking questions during lesson in classroom
    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, huddling, interacting, motivating, bending down, on a sunny day — Stock Photo
    Side view of a group of female Caucasian field hockey players, preparing before a game, huddling, interacting, motivating, bending down, 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 standing 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 standing in the background on a sunny day
    Portrait smiling, confident high school girl in stairway — Stock Photo
    Portrait smiling, confident high school girl in stairway
    Teacher and student sitting together with laptop and tablet — Stock Photo
    Teacher and student sitting together with laptop and tablet
    Junior high school student using virtual reality simulator glasses in classroom — Stock Photo
    Junior high school student using virtual reality simulator glasses in classroom
    Side view mid section of musician teenage girl sitting by a window in a shadow and playing a ukulele — Stock Photo
    Side view mid section of musician teenage girl sitting by a window in a shadow and playing a ukulele
    Rear view of a group of female Caucasian field hockey players, preparing before a game, standing in a row embracing, on a sunny day — Stock Photo
    Rear view of a group of female Caucasian field hockey players, preparing before a game, standing in a row embracing, on a sunny day
    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, talking and smiling — 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, talking and smiling
    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
    Girl student conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student conducting scientific experiment in laboratory classroom
    Side view of a group of female Caucasian field hockey players, preparing before a game, huddling, interacting, motivating, bending down, on a sunny day — Stock Photo
    Side view of a group of female Caucasian field hockey players, preparing before a game, huddling, interacting, motivating, bending down, on a sunny day
    Side view of a Caucasian male field hockey coach interacting with a group of female Caucasian field hockey players, sitting in a changing room, showing them a game plan — Stock Photo
    Side view of a Caucasian male field hockey coach interacting with a group of female Caucasian field hockey players, sitting in a changing room, showing them a game plan
    Male high school teacher helping boy student with homework in classroom — Stock Photo
    Male high school teacher helping boy student with homework in classroom
    Side view of a teenage Caucasian girl in a school classroom sitting at desk, concentrating, with teenage male and female classmates sitting at desks working in the background — Stock Photo
    Side view of a teenage Caucasian girl in a school classroom sitting at desk, concentrating, with teenage male and female classmates sitting at desks working in the background
    Junior high students hanging out, talking — Stock Photo
    Junior high students hanging out, talking
    Front view mid section of musician teenage boy with yellow t-shirt sitting and playing an acoustic guitar in a high school — Stock Photo
    Front view mid section of musician teenage boy with yellow t-shirt sitting and playing an acoustic guitar in a high school
    Two smiling female students looking at mobile phone in school corridor — Stock Photo
    Two smiling female students looking at mobile phone in school corridor
    Group portrait of a multi-ethnic group of eight teenage male and female musicians sitting in a row in a classroom holding their instruments during a school band practice — Stock Photo
    Group portrait of a multi-ethnic group of eight teenage male and female musicians sitting in a row in a classroom holding their instruments during a school band practice
    Boys with basketball ball on schoolyard — Stock Photo
    Boys with basketball ball on schoolyard
    Side view close up of two Caucasian teenage girls with long dark hair sitting in front of a window playing a flute and a ukulele — Stock Photo
    Side view close up of two Caucasian teenage girls with long dark hair sitting in front of a window playing a flute and a ukulele
    Portrait close up of a mixed race teenage girl with dark hair and brown eyes standing in a school classroom smiling to camera, with classmates talking in the background — Stock Photo
    Portrait close up of a mixed race teenage girl with dark hair and brown eyes standing in a school classroom smiling to camera, with classmates talking in the background
    Side view low section of female field hockey player, during a field hockey game, shooting a ball, holding a hockey stick, with her teammates and opponents in the background, on a sunny day — Stock Photo
    Side view low section of female field hockey player, during a field hockey game, shooting a ball, holding a hockey stick, with her teammates and opponents in the background, on a sunny day