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    High school students clapping for teacher in debate class — Stock Photo
    High school students clapping for teacher in debate class
    Smiling teacher leading lesson at projection screen in classroom — Stock Photo
    Smiling teacher leading lesson at projection screen in classroom
    Focused teenage boy with clipboard vlogging — Stock Photo
    Focused teenage boy with clipboard vlogging
    Secondary tuberculosis lungs infection and close-up of Mycobacterium tuberculosis bacteria. — Stock Photo
    Secondary tuberculosis lungs infection and close-up of Mycobacterium tuberculosis bacteria.
    Girl student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student using microscope, conducting scientific experiment in laboratory 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
    Schoolkids using globe in classroom at school — Stock Photo
    Schoolkids using globe in classroom at school
    Girl student conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student conducting scientific experiment in laboratory classroom
    Digital molecular model of secondary structure of immunoglobulin G antibodies. — Stock Photo
    Digital molecular model of secondary structure of immunoglobulin G antibodies.
    Portrait of smiling, confident junior high school student doing homework in classroom — Stock Photo
    Portrait of smiling, confident junior high school student doing homework 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
    Tween boys playing basketball in schoolyard — Stock Photo
    Tween boys playing basketball in schoolyard
    Schoolboy writing on chalkboard in classroom at school — Stock Photo
    Schoolboy writing on chalkboard in classroom at school
    Students programming at computer in computer lab classroom — Stock Photo
    Students programming at computer in computer lab classroom
    France, French Basque Country, Pyrenees-Atlantiques, Saint Jean de Luz, closeup of fishing nets — Stock Photo
    France, French Basque Country, Pyrenees-Atlantiques, Saint Jean de Luz, closeup of fishing nets
    Front view of a multi-ethnic group of high school teenage male and female high school pupils in a classroom, sitting at desks working together and talking — Stock Photo
    Front view of a multi-ethnic group of high school teenage male and female high school pupils in a classroom, sitting at desks working together and talking
    Portrait of smiling, confident junior high school students studying in classroom — Stock Photo
    Portrait of smiling, confident junior high school students studying in classroom
    College students looking at tablet computer while studying at desk in library — Stock Photo
    College students looking at tablet computer while studying at desk in library
    Portrait smiling, confident male teacher in classroom — Stock Photo
    Portrait smiling, confident male teacher in classroom
    Schoolkids studying in the classroom at school — Stock Photo
    Schoolkids studying in the classroom at school
    Side view of a mixed race teenage male high school student in an empty school theatre during rehearsals for a performance, standing on the stage holding a script and practicing his part, with other pupils holding scripts in the background — Stock Photo
    Side view of a mixed race teenage male high school student in an empty school theatre during rehearsals for a performance, standing on the stage holding a script and practicing his part, with other pupils holding scripts in the background
    Students studying in the class at school — Stock Photo
    Students studying in the class at school
    Curious junior high school student using virtual reality simulator in classroom — Stock Photo
    Curious junior high school student using virtual reality simulator in classroom
    Teacher leading lesson at touch screen in classroom — Stock Photo
    Teacher leading lesson at touch screen in 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
    Side view of a multi-ethnic group of teenage male and female high school pupils with schoolbags hanging out, walking and talking in their high school grounds — Stock Photo
    Side view of a multi-ethnic group of teenage male and female high school pupils with schoolbags hanging out, walking and talking in their high school grounds
    Curious junior high school student looking at map on computer in classroom — Stock Photo
    Curious junior high school student looking at map on computer in classroom
    Teenagers playing pool in community center — Stock Photo
    Teenagers playing pool in community center
    Focused girl students soldering circuit boards in classroom — Stock Photo
    Focused girl students soldering circuit boards in classroom
    Junior high students using computer in computer lab — Stock Photo
    Junior high students using computer in computer lab
    Pensive, curious girl student examining molecular structure — Stock Photo
    Pensive, curious girl student examining molecular structure
    Junior high students talking — Stock Photo
    Junior high students talking
    LAOS, 4000 ISLANDS AREA: Group of children in uniform walking together from school. — Stock Photo
    LAOS, 4000 ISLANDS AREA: Group of children in uniform walking together from school.
    Female science teacher and girl student writing at whiteboard in classroom — Stock Photo
    Female science teacher and girl student writing at whiteboard in classroom
    Teacher helping junior high school students at desk in classroom — Stock Photo
    Teacher helping junior high school students at desk in classroom
    Portrait confident female high school teacher at projection screen in classroom — Stock Photo
    Portrait confident female high school teacher at projection screen in classroom
    University students practicing science experiment in lab — Stock Photo
    University students practicing science experiment in lab
    Schoolboy explaining about world map in classroom at school — Stock Photo
    Schoolboy explaining about world map in classroom at school
    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
    High school students with hands raised in debate class — Stock Photo
    High school students with hands raised in debate class
    Focused junior high school boy with headphones in classroom — Stock Photo
    Focused junior high school boy with headphones in classroom
    Female students reading book while standing by shelf in library — Stock Photo
    Female students reading book while standing by shelf in library
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    College students writing on book while sitting at desks during exam in classroom — Stock Photo
    College students writing on book while sitting at desks during exam in classroom
    Attentive high school students listening in classroom — Stock Photo
    Attentive high school students listening in classroom
    Side view of a group of female Caucasian field hockey players, training before a game, working out on a field hockey pitch, exercising, stretching their arms, 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, exercising, stretching their arms, on a sunny day
    High school girl students studying in classroom — Stock Photo
    High school girl students studying in classroom
    Schoolkids studying in the classroom at school — Stock Photo
    Schoolkids studying in the classroom at school
    Young male student using microscope in lab — Stock Photo
    Young male student using microscope in lab
    Junior high students using computers in computer lab — Stock Photo
    Junior high students using computers in computer lab
    Smiling boy wearing goggles and lab coat in laboratory classroom — Stock Photo
    Smiling boy wearing goggles and lab coat in laboratory classroom
    Female student using microscope while practicing experiment in lab — Stock Photo
    Female student using microscope while practicing experiment in lab
    Portrait of enthusiastic junior high students and teachers cheering — Stock Photo
    Portrait of enthusiastic junior high students and teachers cheering
    Happy, confident high school girl student studying in classroom — Stock Photo
    Happy, confident high school girl student studying in classroom
    Male teacher leading lesson at projection screen in classroom with students raising hands — Stock Photo
    Male teacher leading lesson at projection screen in classroom with students raising hands
    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 Caucasian male field hockey coach interacting with a multi-ethnic group of female 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 multi-ethnic group of female field hockey players, sitting in a changing room, showing them a game plan
    High school students clapping for classmate in debate class — Stock Photo
    High school students clapping for classmate in debate class
    Side view of a mixed race teenage boy and African American teenage girl high school student sitting on chairs in an empty school theatre preparing before a performance, holding scripts and rehearsing together — Stock Photo
    Side view of a mixed race teenage boy and African American teenage girl high school student sitting on chairs in an empty school theatre preparing before a performance, holding scripts and rehearsing together
    Side view of a Caucasian teenage female high school student and a Caucasian male teacher sitting on chairs on the stage in an empty school theatre preparing before a performance, holding scripts and practicing together — Stock Photo
    Side view of a Caucasian teenage female high school student and a Caucasian male teacher sitting on chairs on the stage in an empty school theatre preparing before a performance, holding scripts and practicing together