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    Portrait smiling girl student sitting in classroom during lesson — Stock Photo
    Portrait smiling girl student sitting in classroom during lesson
    Side view of multi-ethnic group of high school teenagers in a school classroom sitting at desks, all raising their hands to answer a question — Stock Photo
    Side view of multi-ethnic group of high school teenagers in a school classroom sitting at desks, all raising their hands to answer a question
    High school teacher helping students studying in classroom — Stock Photo
    High school teacher helping students studying in classroom
    Curious, smiling students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Curious, smiling students watching chemical reaction, conducting scientific experiment in laboratory classroom
    High school students talking during debate class in classroom — Stock Photo
    High school students talking during debate class in classroom
    Front view close up of a Caucasian teenage boy sitting at a desk in a school classroom looking out of the window, with classmates sitting at desks working in the background — Stock Photo
    Front view close up of a Caucasian teenage boy sitting at a desk in a school classroom looking out of the window, with classmates sitting at desks working in the background
    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
    Students assembling robotics in classroom — Stock Photo
    Students assembling robotics in classroom
    High school girls descending stairs — Stock Photo
    High school girls descending stairs
    Male teacher teaching students in the classroom at school — Stock Photo
    Male teacher teaching students in the classroom at school
    High angle view of a multi-ethnic group of teenage school pupils sitting and standing around a table in a classroom using laptop and tablet computers together at break time looking up to camera and smiling — Stock Photo
    High angle view of a multi-ethnic group of teenage school pupils sitting and standing around a table in a classroom using laptop and tablet computers together at break time looking up to camera and smiling
    Teenagers playing pool in community center — Stock Photo
    Teenagers playing pool in community center
    Male teacher helping junior high school students at desk in classroom — Stock Photo
    Male teacher helping junior high school students at desk in classroom
    Side view of a Caucasian female field hockey players, after a field hockey game, kneeling, leaning her head on a hockey stick with disappointment, with her teammates in the background, on a sunny day — Stock Photo
    Side view of a Caucasian female field hockey players, after a field hockey game, kneeling, leaning her head on a hockey stick with disappointment, with her teammates in the background, on a sunny day
    Male teacher teaching students in the classroom at school — Stock Photo
    Male teacher teaching students in the classroom at school
    Junior high school boy student doing homework in classroom — Stock Photo
    Junior high school boy student doing homework in classroom
    Junior high students using computer in computer lab — Stock Photo
    Junior high students using computer in computer lab
    Side view mid section of group of teenage male and female choristers standing in a row holding sheet music on the stage of a school theatre during rehearsals for a performance — Stock Photo
    Side view mid section of group of teenage male and female choristers standing in a row holding sheet music on the stage of a school theatre during rehearsals for a performance
    Girl students examining liquid in beaker, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl students examining liquid in beaker, conducting scientific experiment in laboratory classroom
    Junior high school students studying in classroom — Stock Photo
    Junior high school students studying in classroom
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    Schoolkids looking at globe in classroom at school — Stock Photo
    Schoolkids looking at globe in classroom at school
    Front view of a teenage Caucasian boy in a school classroom sitting at desk, concentrating, 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, with teenage male and female classmates sitting at desks working in the background
    Students writing their GCSE exam in classroom — Stock Photo
    Students writing their GCSE exam in classroom
    Side view of a Caucasian teenage girl sitting at a desk in a school classroom leaning on her desk and smiling at a teenage boy sitting at the best desk, using a laptop and smiling back at her — Stock Photo
    Side view of a Caucasian teenage girl sitting at a desk in a school classroom leaning on her desk and smiling at a teenage boy sitting at the best desk, using a laptop and smiling back at her
    Front 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 strength exercises, on a sunny day — Stock Photo
    Front 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 strength exercises, on a sunny day
    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
    Junior high students walking in library — Stock Photo
    Junior high students walking in library
    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
    Schoolgirl standing near chalkboard in classroom at school — Stock Photo
    Schoolgirl standing near chalkboard in classroom at school
    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
    Front view of a Caucasian male high school teacher, standing and talking with a teenage Caucasian girl in a school classroom sitting at desk, with teenage classmates sitting at desks working in the background — Stock Photo
    Front view of a Caucasian male high school teacher, standing and talking with a teenage Caucasian girl in a school classroom sitting at desk, with teenage classmates sitting at desks working in the background
    Happy female teacher talking with colleague — Stock Photo
    Happy female teacher talking with colleague
    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, writing on a whiteboard — 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, writing on a whiteboard
    Portrait confident junior high school boy student doing homework in classroom — Stock Photo
    Portrait confident junior high school boy student doing homework in classroom
    High school students and teacher clapping debate class — Stock Photo
    High school students and teacher clapping debate class
    Side view of a group of female Caucasian field hockey players preparing before a game, huddling around their Caucasian male coach, on a hockey pitch, who gives them game plan, on a sunny day — Stock Photo
    Side view of a group of female Caucasian field hockey players preparing before a game, huddling around their Caucasian male coach, on a hockey pitch, who gives them game plan, on a sunny day
    Happy, confident high school girl student studying in classroom — Stock Photo
    Happy, confident high school girl student studying in classroom
    Boy student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Boy student using microscope, conducting scientific experiment in laboratory classroom
    Side view of a African American 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 African American teenage girl in an empty high school theatre, sitting in the auditorium preparing for a performance, holding a script and learning lines
    Front view close up of a Caucasian teenage boy musician with grey t-shirt sitting in front of a window playing a trombone at school — Stock Photo
    Front view close up of a Caucasian teenage boy musician with grey t-shirt sitting in front of a window playing a trombone at school
    Schoolgirl standing near chalkboard in classroom at school — Stock Photo
    Schoolgirl standing near chalkboard in classroom at school
    Female high school teacher leading lesson at projection screen in classroom — Stock Photo
    Female high school teacher leading lesson at projection screen in classroom
    Student using laptop in the classroom at school — Stock Photo
    Student using laptop in the classroom at school
    Portrait of smiling, confident junior high student carrying books — Stock Photo
    Portrait of smiling, confident junior high student carrying books
    Male teacher helping girl student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher helping girl student using microscope, conducting scientific experiment in laboratory classroom
    Portrait confident girl student using computer in library — Stock Photo
    Portrait confident girl student using computer in library
    Schoolkids holding sketch pens in classroom at school — Stock Photo
    Schoolkids holding sketch pens in classroom at school
    Smiling high school students talking in debate class — Stock Photo
    Smiling high school students talking in debate class
    Junior high girl students entering library — Stock Photo
    Junior high girl students entering library
    Students going out of classroom after lesson — Stock Photo
    Students going out of classroom after lesson
    Thoughtful schoolkid sitting in the classroom at school — Stock Photo
    Thoughtful schoolkid sitting in the classroom at school
    Junior high school boy opening notebook at desk in classroom — Stock Photo
    Junior high school boy opening notebook at desk in classroom
    Side view close up of a Caucasian female field hockey players, preparing before a game, standing in a changing room, wearing a hockey helmet, with her teammates standing in a row behind her — Stock Photo
    Side view close up of a Caucasian female field hockey players, preparing before a game, standing in a changing room, wearing a hockey helmet, with her teammates standing in a row behind her
    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
    Junior high students talking — Stock Photo
    Junior high students talking
    Students researching at computers in library — Stock Photo
    Students researching at computers in library
    Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom — Stock Photo
    Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom
    Side view close up of multi-ethnic group of smiling high school teenagers in a school classroom sitting at desks, all raising their hands to answer a question — Stock Photo
    Side view close up of multi-ethnic group of smiling high school teenagers in a school classroom sitting at desks, all raising their hands to answer a question
    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