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    Focused high school boy student taking exam at desk — Stock Photo
    Focused high school boy student taking exam at desk
    Junior high school student raising hand, asking a question during lesson in classroom — Stock Photo
    Junior high school student raising hand, asking a question during lesson in classroom
    Smiling girl conducting scientific experiment in laboratory classroom — Stock Photo
    Smiling girl conducting scientific experiment in laboratory classroom
    Focused junior high school girl student listening in classroom — Stock Photo
    Focused junior high school girl student listening in classroom
    Focused high school students taking exam — Stock Photo
    Focused high school students taking exam
    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, holding their hockey sticks, 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, holding their hockey sticks, looking to camera on a sunny day
    Portrait smiling, confident junior high school girl in classroom — Stock Photo
    Portrait smiling, confident junior high school girl in classroom
    Junior high school student removing headphones from backpack in classroom — Stock Photo
    Junior high school student removing headphones from backpack in classroom
    Focused high school students taking exam — Stock Photo
    Focused high school students taking exam
    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
    Side view of a sad lonely bullied Caucasian isolated teenage boy sitting on the ground alone in a schoolyard reading — Stock Photo
    Side view of a sad lonely bullied Caucasian isolated teenage boy sitting on the ground alone in a schoolyard reading
    Junior high school students studying in classroom — Stock Photo
    Junior high school students studying in classroom
    Side view of a Caucasian female and male high school student couple hanging out, standing in their school playing field, the boy piggybacking the girl, with classmates hanging out and talking in the background — Stock Photo
    Side view of a Caucasian female and male high school student couple hanging out, standing in their school playing field, the boy piggybacking the girl, with classmates hanging out and talking in the background
    Side view of a teenage African American girl in a high school classroom sitting on a desk, concentrating and writing, with teenage male and female classmates sitting at desks working in the background — Stock Photo
    Side view of a teenage African American girl in a high school classroom sitting on a desk, concentrating and writing, with teenage male and female classmates sitting at desks working in the background
    Male teacher helping junior high school student using digital tablet in classroom — Stock Photo
    Male teacher helping junior high school student using digital tablet in classroom
    High school students taking exam at desks in classroom — Stock Photo
    High school students taking exam at desks in classroom
    Side view low section of male field hockey player in action on the pitch, preparing to hit a ball from the middle line on a sunny day, backlit — Stock Photo
    Side view low section of male field hockey player in action on the pitch, preparing to hit a ball from the middle line on a sunny day, backlit
    Boy student holding and examining molecular structure — Stock Photo
    Boy student holding and examining molecular structure
    University students studying together — Stock Photo
    University students studying together
    Front view of a teenage Caucasian boy and a teenage African American girl in a high school classroom sitting a desk, using a tablet computer, with teenage classmates sitting at desks working in the background — Stock Photo
    Front view of a teenage Caucasian boy and a teenage African American girl in a high school classroom sitting a desk, using a tablet computer, with teenage classmates sitting at desks working in the background
    Side view of a group of female Caucasian field hockey players and their Caucasian field hockey coach, training before a game, working out on a field hockey pitch, exercising, doing sit ups, on a sunny day — Stock Photo
    Side view of a group of female Caucasian field hockey players and their Caucasian field hockey coach, training before a game, working out on a field hockey pitch, exercising, doing sit ups, on a sunny day
    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
    High school senior posing in garden — Stock Photo
    High school senior posing in garden
    Elevated view of lone female student writing their GCSE exam in classroom — Stock Photo
    Elevated view of lone female student writing their GCSE exam in classroom
    Front view of a multi-ethnic group of teenage male field hockey players, training before a game, working out on a field hockey pitch, running on a sunny day — Stock Photo
    Front view of a multi-ethnic group of teenage male field hockey players, training before a game, working out on a field hockey pitch, running 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
    Female teacher and students watching scientific experiment chemical reaction in laboratory classroom — Stock Photo
    Female teacher and students watching scientific experiment chemical reaction in laboratory 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 angle side 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 side 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
    Curious boy examining DNA model in classroom — Stock Photo
    Curious boy examining DNA model in classroom
    Portrait of a teenage mixed race male field hockey player, wearing a red team strip, standing in a changing room looking straight to camera, focusing before a game — Stock Photo
    Portrait of a teenage mixed race male field hockey player, wearing a red team strip, standing in a changing room looking straight to camera, focusing before a game
    Front view mid section of female and male high school student couple hanging out and holding hands, standing in their school playing field — Stock Photo
    Front view mid section of female and male high school student couple hanging out and holding hands, standing in their school playing field
    Front view of a multi-ethnic group of teenage male and female musicians sitting in a classroom playing their instruments during a school band practice — Stock Photo
    Front view of a multi-ethnic group of teenage male and female musicians sitting in a classroom playing their instruments during a school band practice
    College students with notebooks and digital tablet studying — Stock Photo
    College students with notebooks and digital tablet studying
    Smiling high school girl student leaving classroom — Stock Photo
    Smiling high school girl student leaving classroom
    Front view of a teenage mixed-race boy in a school classroom sitting at desk, raising his hand to answer a question, with teenage male and female classmates sitting at desks working in the background — Stock Photo
    Front view of a teenage mixed-race boy in a school classroom sitting at desk, raising his hand to answer a question, with teenage male and female classmates sitting at desks working in the background
    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
    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
    Junior high school girl student doing homework at desk in classroom — Stock Photo
    Junior high school girl student doing homework at desk in classroom
    Young female college students studying with digital tablet — Stock Photo
    Young female college students studying with digital tablet
    Front view of a Caucasian teenage girl and boy sitting on the edge of the stage holding scripts and smiling at each other in an empty school theatre during rehearsals for a performance — Stock Photo
    Front view of a Caucasian teenage girl and boy sitting on the edge of the stage holding scripts and smiling at each other in an empty school theatre during rehearsals for a performance
    Happy female friends using smart phone in park — Stock Photo
    Happy female friends using smart phone in park
    Portrait close up of a Caucasian male field hockey player, wearing a white team strip, standing on a hockey pitch looking to camera on a sunny day — Stock Photo
    Portrait close up of a Caucasian male field hockey player, wearing a white team strip, standing on a hockey pitch looking to camera on a sunny day
    Front view of a male Caucasian teacher standing, using a laptop and talking to a multi-ethnic group of teenagers in a school high school classroom sitting at desks and listening — Stock Photo
    Front view of a male Caucasian teacher standing, using a laptop and talking to a multi-ethnic group of teenagers in a school high school classroom sitting at desks and listening
    Bleachers at high school sports field — Stock Photo
    Bleachers at high school sports field
    Focused junior high school girl student doing homework in classroom — Stock Photo
    Focused junior high school girl student doing homework in classroom
    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
    High angle view of a Caucasian teenage boy playing a trombone during a school band practice, with a Caucasian teenage girl and other teenage musicians sitting in the background — Stock Photo
    High angle view of a Caucasian teenage boy playing a trombone during a school band practice, with a Caucasian teenage girl and other teenage musicians sitting in the background
    Male teacher supervising students writing their GCSE exam in classroom — Stock Photo
    Male teacher supervising students writing their GCSE exam in classroom
    A member of Tribu Panayanon of Iloilo City National High School, Molo, Iloilo City reacts during the 2015 Dinagyang Festival, Iloilo City, Western Visayas, Philippines — Stock Photo
    A member of Tribu Panayanon of Iloilo City National High School, Molo, Iloilo City reacts during the 2015 Dinagyang Festival, Iloilo City, Western Visayas, Philippines
    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
    Side view mid section of female field hockey players, training before a game, working out on a hockey pitch, exercising, on a sunny day — Stock Photo
    Side view mid section of female field hockey players, training before a game, working out on a hockey pitch, exercising, on a sunny day
    Bleachers at high school sports field — Stock Photo
    Bleachers at high school sports field
    Male teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and students conducting scientific experiment in laboratory classroom
    Two teenage boys with skateboard and back pack hugging and laughing on the street — Stock Photo
    Two teenage boys with skateboard and back pack hugging and laughing on the street
    Front view of two Caucasian teenage boys sitting in front of a window playing a trombone and a French horn — Stock Photo
    Front view of two Caucasian teenage boys sitting in front of a window playing a trombone and a French horn
    Male science teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Male science teacher and students conducting scientific experiment in laboratory classroom
    View from above high school teacher supervising students taking exam — Stock Photo
    View from above high school teacher supervising students taking exam
    Teacher and student sitting together with laptop and tablet — Stock Photo
    Teacher and student sitting together with laptop and tablet
    Front view of a teenage mixed-race boy in a school classroom sitting at desk, concentrating and reading, with teenage male and female classmates sitting at desks working around him — Stock Photo
    Front view of a teenage mixed-race boy in a school classroom sitting at desk, concentrating and reading, with teenage male and female classmates sitting at desks working around him