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    Girl students conducting scientific experiment in chemistry laboratory classroom — Stock Photo
    Girl students conducting scientific experiment in chemistry laboratory classroom
    Side view of a teenage Caucasian male field hockey player in action on the pitch, preparing to hit a ball during a hockey game on a sunny day — Stock Photo
    Side view of a teenage Caucasian male field hockey player in action on the pitch, preparing to hit a ball during a hockey game on a sunny day
    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
    High school students with hands raised during lesson in classroom — Stock Photo
    High school students with hands raised during lesson in classroom
    Male teacher teaching students in the classroom at school — Stock Photo
    Male teacher teaching students in the classroom at school
    Schoolboy explaining about world map in classroom at school — Stock Photo
    Schoolboy explaining about world map in classroom at school
    Junior high students using computer in computer lab — Stock Photo
    Junior high students using computer in computer lab
    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
    Schoolkids studying in the classroom at school — Stock Photo
    Schoolkids studying in the classroom at school
    Students examining liquids in test tube rack, conducting scientific experiment in laboratory classroom — Stock Photo
    Students examining liquids in test tube rack, conducting scientific experiment in laboratory classroom
    Junior high school students with hands raised in classroom — Stock Photo
    Junior high school students with hands raised 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
    Teenagers playing pool in community center — Stock Photo
    Teenagers playing pool in community center
    Happy high school students clapping in debate class — Stock Photo
    Happy high school students clapping in debate class
    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
    Laughing girl student at microscope in laboratory classroom — Stock Photo
    Laughing girl student at microscope in laboratory classroom
    Side view of a multi-ethnic group of teenage male field hockey players training before a game, working out in a row, doing push ups on a hockey pitch on a sunny day — Stock Photo
    Side view of a multi-ethnic group of teenage male field hockey players training before a game, working out in a row, doing push ups on a hockey pitch on a sunny day
    Side view of two high school African American teenage female school pupils, using a smartphone and sitting on steps in the school grounds — Stock Photo
    Side view of two high school African American teenage female school pupils, using a smartphone and sitting on steps in the school grounds
    Female teacher helping junior high school students doing homework at desk in classroom — Stock Photo
    Female teacher helping junior high school students doing homework at desk in classroom
    Students examining DNA model in classroom laboratory — Stock Photo
    Students examining DNA model in classroom laboratory
    Portrait confident junior high school boy student doing homework in classroom — Stock Photo
    Portrait confident junior high school boy student doing homework in classroom
    Front view of a multi-ethnic group of teenage male and female musicians sitting in a classroom holding their instruments during a break in school band practice session — Stock Photo
    Front view of a multi-ethnic group of teenage male and female musicians sitting in a classroom holding their instruments during a break in school band practice session
    Portrait of a Caucasian female field hockey players, training before a game, standing on a hockey pitch, 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, looking at camera, with her teammates standing in a row behind her on a sunny day
    Male teacher teaching students in the class at school — Stock Photo
    Male teacher teaching students in the class at school
    High school boy student with hand raised during lesson in classroom — Stock Photo
    High school boy student with hand raised during lesson in classroom
    Science teacher helping girl student at microscope in classroom laboratory — Stock Photo
    Science teacher helping girl student at microscope in classroom laboratory
    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
    High school student studying, writing in notebook during lesson in classroom — Stock Photo
    High school student studying, writing in notebook during lesson 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
    High school students watching teacher leading lesson at whiteboard in classroom — Stock Photo
    High school students watching teacher leading lesson at whiteboard in classroom
    Schoolkids using mobile phone in school campus on a sunny day — Stock Photo
    Schoolkids using mobile phone in school campus on a sunny day
    Happy boys playing basketball in schoolyard — Stock Photo
    Happy boys playing basketball in schoolyard
    Female high school teacher leading lesson at projection screen in classroom — Stock Photo
    Female high school teacher leading lesson at projection screen in classroom
    Students going out of classroom after lesson — Stock Photo
    Students going out of classroom after lesson
    High school students with hands raised in debate class — Stock Photo
    High school students with hands raised in debate class
    Junior high school students studying at desk in classroom — Stock Photo
    Junior high school students studying at desk in classroom
    Male teacher and smiling girl student conducting scientific experiment at microscope in laboratory classroom — Stock Photo
    Male teacher and smiling girl student conducting scientific experiment at microscope in laboratory classroom
    Boy student examining DNA model in laboratory classroom — Stock Photo
    Boy student examining DNA model in laboratory classroom
    High school teacher calling on students with hands raised during lesson in classroom — Stock Photo
    High school teacher calling on students with hands raised during lesson in classroom
    Girl students using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl students using microscope, conducting scientific experiment in laboratory classroom
    Students programming and testing robotics in classroom — Stock Photo
    Students programming and testing robotics in classroom
    Liquid in bottles, test tubes and beakers in science laboratory classroom — Stock Photo
    Liquid in bottles, test tubes and beakers in science laboratory classroom
    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
    Side view of a multi-ethnic group of teenage male field hockey players, on the pitch, holding their hockey sticks and embracing, celebrating a victory on a sunny day — Stock Photo
    Side view of a multi-ethnic group of teenage male field hockey players, on the pitch, holding their hockey sticks and embracing, celebrating a victory on a sunny day
    Front view of three Caucasian teenage boys and a mixed race teenage girl holding scripts and smiling, sitting on the stage of a school theatre during rehearsals for a performance — Stock Photo
    Front view of three Caucasian teenage boys and a mixed race teenage girl holding scripts and smiling, sitting on the stage of a school theatre during rehearsals for a performance
    Side view a Caucasian male high school teacher, standing at the front of a class, talking to a multi-ethnic group of teenagers in a school classroom sitting at desks in rows, listening — Stock Photo
    Side view a Caucasian male high school teacher, standing at the front of a class, talking to a multi-ethnic group of teenagers in a school classroom sitting at desks in rows, listening
    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 school students and teacher clapping for student in debate class — Stock Photo
    High school students and teacher clapping for student in debate class
    Smiling female student playing acoustic guitar — Stock Photo
    Smiling female student playing acoustic guitar
    High school students watching teacher at projection screen during lesson in classroom — Stock Photo
    High school students watching teacher at projection screen during lesson in classroom
    Front view of multi-ethnic group of teenage boys and girls holding scripts and performing on the stage of a school theatre during rehearsals for a performance — Stock Photo
    Front view of multi-ethnic group of teenage boys and girls holding scripts and performing on the stage of a school theatre during rehearsals for a performance
    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
    Smiling students researching, using digital tablet at table in library — Stock Photo
    Smiling students researching, using digital tablet at table in library
    Boy student holding and examining molecular structure — Stock Photo
    Boy student holding and examining molecular structure
    Confident junior high school girl student doing homework in classroom — Stock Photo
    Confident junior high school girl student doing homework in classroom
    Female high school teacher helping girl student with homework in classroom — Stock Photo
    Female high school teacher helping girl student with homework in classroom
    Front view of a multi-ethnic group of high school teenage male and female school pupils in a classroom, sitting at a table working together, looking at a laptop computer — Stock Photo
    Front view of a multi-ethnic group of high school teenage male and female school pupils in a classroom, sitting at a table working together, looking at a laptop computer
    Teacher and students during chemistry lesson, wearing protective eyewear and looking at test tubes — Stock Photo
    Teacher and students during chemistry lesson, wearing protective eyewear and looking at test tubes
    Junior high students using computers in computer lab — Stock Photo
    Junior high students using computers in computer lab
    Students studying in the classroom at school — Stock Photo
    Students studying in the classroom at school