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    Students conducting scientific experiment, pouring liquid in beaker in laboratory classroom — Stock Photo
    Students conducting scientific experiment, pouring liquid in beaker in laboratory classroom
    Girl students conducting scientific experiment behind test tubes and bottles in laboratory classroom — Stock Photo
    Girl students conducting scientific experiment behind test tubes and bottles in laboratory classroom
    University female african student wearing protective face mask studying sitting on stairs outside on campus. New normal in college. — Stock Photo
    University female african student wearing protective face mask studying sitting on stairs outside on campus. New normal in college.
    Smiling young female college student studying with classmates — Stock Photo
    Smiling young female college student studying with classmates
    Side view of a Caucasian female field hockey player preparing before a game, sitting in a changing room, wearing a hockey helmet — Stock Photo
    Side view of a Caucasian female field hockey player preparing before a game, sitting in a changing room, wearing a hockey helmet
    Bleachers at high school sports field — Stock Photo
    Bleachers at high school sports field
    Focused boy student reading textbook at microscope in laboratory classroom — Stock Photo
    Focused boy student reading textbook at microscope in laboratory classroom
    Male teacher and students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and students watching chemical reaction, conducting scientific experiment in laboratory classroom
    Portrait confident young female college student in library — Stock Photo
    Portrait confident young female college student in library
    Young woman reading book by locker — Stock Photo
    Young woman reading book by locker
    Mature teacher explaining student — Stock Photo
    Mature teacher explaining student
    Female high school teacher helping girl student doing homework in classroom — Stock Photo
    Female high school teacher helping girl student doing homework in classroom
    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
    Teacher explaining students in classroom — Stock Photo
    Teacher explaining students in classroom
    Young woman looking away — Stock Photo
    Young woman looking away
    Side view of 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
    Side view of 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
    Curious junior high school student using virtual reality simulator in classroom — Stock Photo
    Curious junior high school student using virtual reality simulator in classroom
    Portrait confident young male college student in shop class — Stock Photo
    Portrait confident young male college student in shop class
    Front view close up of a teenage Caucasian girl in a school classroom sitting at desk, concentrating and writing, with teenage male and female classmates sitting at desks working in the background — Stock Photo
    Front view close up of a teenage Caucasian girl in a school classroom sitting at desk, concentrating and writing, with teenage male and female classmates sitting at desks working in the background
    Junior high school student removing headphones from backpack in classroom — Stock Photo
    Junior high school student removing headphones from backpack in classroom
    Happy, smiling high school girl student talking with classmate in classroom — Stock Photo
    Happy, smiling high school girl student talking with classmate 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
    Side view of a teenage Caucasian male field hockey player, preparing to hit a ball on the pitch during a hockey game between two multi-ethnic teenage male teams, on a sunny day — Stock Photo
    Side view of a teenage Caucasian male field hockey player, preparing to hit a ball on the pitch during a hockey game between two multi-ethnic teenage male teams, on a sunny day
    Side view of a Caucasian male high school teacher, standing and talking with a teenage Caucasian girl in a school classroom sitting a desk, with teenage classmates sitting at desks working in the background — Stock Photo
    Side view of a Caucasian male high school teacher, standing and talking with a teenage Caucasian girl in a school classroom sitting a desk, with teenage 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
    Focused high school girl student studying in classroom — Stock Photo
    Focused high school girl student studying in classroom
    Side view of a group of female Caucasian field hockey players, preparing before a game, huddling, with one player talking to her Caucasian male coach in the foreground, on a sunny day — Stock Photo
    Side view of a group of female Caucasian field hockey players, preparing before a game, huddling, with one player talking to her Caucasian male coach in the foreground, on a sunny day
    High school students clapping in debate class — Stock Photo
    High school students clapping in debate class
    Front entrance to high school of Bradenton, Florida, United States — Stock Photo
    Front entrance to high school of Bradenton, Florida, United States
    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
    Side view of a Caucasian female field hockey player preparing before a game, sitting in a changing room, holding a hockey helmet — Stock Photo
    Side view of a Caucasian female field hockey player preparing before a game, sitting in a changing room, holding a hockey helmet
    Portrait confident young female college student in corridor — Stock Photo
    Portrait confident young female college student in corridor
    Side view of a Caucasian teenage boy standing on stage holding a script in an empty school theatre during rehearsals for a performance — Stock Photo
    Side view of a Caucasian teenage boy standing on stage holding a script in an empty school theatre during rehearsals for a performance
    Rear view of a teenage Caucasian male field hockey goalkeeper in action on the pitch, diving to stop a ball with a hockey stick, during a hockey match between two multi-ethnic teenage male teams on a sunny day, seen through the goal net — Stock Photo
    Rear view of a teenage Caucasian male field hockey goalkeeper in action on the pitch, diving to stop a ball with a hockey stick, during a hockey match between two multi-ethnic teenage male teams on a sunny day, seen through the goal net
    Portrait confident college students in shop class — Stock Photo
    Portrait confident college students in shop class
    Girl student examining pink liquid, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student examining pink liquid, conducting scientific experiment in laboratory classroom
    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
    Portrait smiling teenage girls designing denim jacket in fashion design class — Stock Photo
    Portrait smiling teenage girls designing denim jacket in fashion design class
    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
    Tables in empty classroom — Stock Photo
    Tables in empty classroom
    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
    College students talking and studying in classroom — Stock Photo
    College students talking and studying in classroom
    Smiling college students descending staircase — Stock Photo
    Smiling college students descending staircase
    Junior high school girl student using digital tablets at desk in classroom — Stock Photo
    Junior high school girl student using digital tablets at desk in classroom
    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
    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 talking in sunny corridor — Stock Photo
    College students talking in sunny corridor
    Happy young college students using computer together in library — Stock Photo
    Happy young college students using computer together in library
    Bleachers at high school sports field — Stock Photo
    Bleachers at high school sports field
    Portrait of a Caucasian female field hockey player, training before a game, working out on a hockey pitch, looking at camera, with her teammates in the background on a sunny day — Stock Photo
    Portrait of a Caucasian female field hockey player, training before a game, working out on a hockey pitch, looking at camera, with her teammates in the background on a sunny day
    Side view of a Caucasian female field hockey player preparing before a game, sitting in a changing room, focusing — Stock Photo
    Side view of a Caucasian female field hockey player preparing before a game, sitting in a changing room, focusing
    Side view of a teenage mixed race male field hockey player taking a shot at goal during a field hockey match, with player form both teams in the background and the goalkeeper preparing to block the shot, on a sunny day — Stock Photo
    Side view of a teenage mixed race male field hockey player taking a shot at goal during a field hockey match, with player form both teams in the background and the goalkeeper preparing to block the shot, on a sunny day
    Side view of a Caucasian and a mixed race teenage girls holding scripts and laughing, sitting on the stage of a school theatre during rehearsals for a performance — Stock Photo
    Side view of a Caucasian and a mixed race teenage girls holding scripts and laughing, sitting on the stage of a school theatre during rehearsals for a performance
    Teenage girls designing denim jacket in fashion design class — Stock Photo
    Teenage girls designing denim jacket in fashion design class
    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
    Side view close up of a teenage Caucasian boy in a school classroom sitting at desk, concentrating, looking out of the window, leaning his head on his hand — Stock Photo
    Side view close up of a teenage Caucasian boy in a school classroom sitting at desk, concentrating, looking out of the window, leaning his head on his hand
    Mature teacher explaining student — Stock Photo
    Mature teacher explaining student
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    High school teacher calling on students during lesson in classroom — Stock Photo
    High school teacher calling on students during lesson in classroom
    Happy college students talking in corridor — Stock Photo
    Happy college students talking in corridor