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    Female teacher and girl students using laptop in classroom — Stock Photo
    Female teacher and girl students using laptop in classroom
    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
    Teenage boys in high school art class — Stock Photo
    Teenage boys in high school art class
    Rear view of a multi-ethnic group of teenage male and female school pupils with schoolbags hanging out, walking in their high school grounds, one carrying a skateboard — Stock Photo
    Rear view of a multi-ethnic group of teenage male and female school pupils with schoolbags hanging out, walking in their high school grounds, one carrying a skateboard
    Broom stem. Light micrograph (LM) of transverse section through stem of common broom (Salicornia europaea) plant. Broom is drought plant (xerophyte) with ribbed stems and branches to increase area for photosynthesis — Stock Photo
    Broom stem. Light micrograph (LM) of transverse section through stem of common broom (Salicornia europaea) plant. Broom is drought plant (xerophyte) with ribbed stems and branches to increase area for photosynthesis
    Smiling high school girl student leaving classroom — Stock Photo
    Smiling high school girl student leaving classroom
    High angle view of girl using computer while practicing experiment in lab — Stock Photo
    High angle view of girl using computer while practicing experiment in lab
    Junior high school students with hands raised during lesson in classroom — Stock Photo
    Junior high school students with hands raised during lesson in classroom
    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
    Rear view of a Caucasian female field hockey goalkeeper, during a field hockey game, standing in a goal, failing 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, failing to defend a penalty kick, with her teammates and opponents in the background, on a sunny day
    Portrait of happy junior high friends playing basketball in schoolyard — Stock Photo
    Portrait of happy junior high friends playing basketball in schoolyard
    Focused junior high school girl student doing homework in classroom — Stock Photo
    Focused junior high school girl student doing homework 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
    Sri Lanka. Mirissa, planting cinnamon. Cinnamon is the inner bark of the cinnamon tree. Artisanal preparation of cinnamon stick. — Stock Photo
    Sri Lanka. Mirissa, planting cinnamon. Cinnamon is the inner bark of the cinnamon tree. Artisanal preparation of cinnamon stick.
    Side view of a mixed race teenage male high school student in a classroom, working on a computer and concentrating, with other pupils working on computers in the background — Stock Photo
    Side view of a mixed race teenage male high school student in a classroom, working on a computer and concentrating, with other pupils working on computers in the background
    Group portrait of schoolchildren wearing school uniforms standing in corridor and smiling — Stock Photo
    Group portrait of schoolchildren wearing school uniforms standing in corridor and smiling
    Teenage female practicing chemistry experiment in lab — Stock Photo
    Teenage female practicing chemistry experiment in lab
    Front view of a multi-ethnic group of teenage female high school pupils with schoolbags hanging out, talking and looking at a smartphone together, sitting on steps in their school grounds — Stock Photo
    Front view of a multi-ethnic group of teenage female high school pupils with schoolbags hanging out, talking and looking at a smartphone together, sitting on steps in their school grounds
    Girl students studying at computers in library — Stock Photo
    Girl students studying at computers in library
    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
    Girl student using microscope in classroom — Stock Photo
    Girl student using microscope in classroom
    Side view of a Caucasian 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 Caucasian teenage girl in an empty high school theatre, sitting in the auditorium preparing for a performance, holding a script and learning lines
    Male teacher leading lesson at projection screen in classroom — Stock Photo
    Male teacher leading lesson at projection screen in classroom
    College students sitting at table during exam in classroom — Stock Photo
    College students sitting at table during exam in classroom
    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
    Side view of a group of female Caucasian field hockey players preparing before a game, sitting in a changing room, putting on their shoes and gaiters — Stock Photo
    Side view of a group of female Caucasian field hockey players preparing before a game, sitting in a changing room, putting on their shoes and gaiters
    Side view of a Caucasian sad teenage girl sitting on the ground alone in a schoolyard in a high school — Stock Photo
    Side view of a Caucasian sad teenage girl sitting on the ground alone in a schoolyard in a high school
    Digital molecular model of secondary structure of immunoglobulin G antibody. — Stock Photo
    Digital molecular model of secondary structure of immunoglobulin G antibody.
    Front 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 — Stock Photo
    Front 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
    Teenage female student looking at laptop while studying at desk in classroom — Stock Photo
    Teenage female student looking at laptop while studying at desk in classroom
    Front view of a mixed race teenage girl standing on stage holding a script in an empty school theatre during rehearsals for a performance — Stock Photo
    Front view of a mixed race teenage girl standing on stage holding a script in an empty school theatre during rehearsals for a performance
    Front view of a Caucasian teenage boy sitting by a window holding an acoustic guitar, with a Caucasian teenage boy sitting behind him playing the saxophone in a high school — Stock Photo
    Front view of a Caucasian teenage boy sitting by a window holding an acoustic guitar, with a Caucasian teenage boy sitting behind him playing the saxophone in a high school
    Side view close up of a multi-ethnic group of teenage male and female choristers holding sheet music and laughing, standing on the stage of a school theatre during a break in rehearsals for a performance — Stock Photo
    Side view close up of a multi-ethnic group of teenage male and female choristers holding sheet music and laughing, standing on the stage of a school theatre during a break in rehearsals for a performance
    Side view of a Caucasian female field hockey player, during a field hockey game, running with a ball, holding a hockey stick, with her teammates and opponents in the background, on a sunny day — Stock Photo
    Side view of a Caucasian female field hockey player, during a field hockey game, running with a ball, holding a hockey stick, with her teammates and opponents in the background, on a sunny day
    Teenage girl using laptop computer while sitting in classroom — Stock Photo
    Teenage girl using laptop computer while sitting in classroom
    High school students clapping for teacher in debate class — Stock Photo
    High school students clapping for teacher in debate class
    Teenagers playing pool in community center — Stock Photo
    Teenagers playing pool in community center
    Schoolgirl explaining about world map in classroom at school — Stock Photo
    Schoolgirl explaining about world map in classroom at school
    Digital illustration of solid node in right lung near lung apex while secondary tuberculosis infection. — Stock Photo
    Digital illustration of solid node in right lung near lung apex while secondary tuberculosis infection.
    Portrait from above of enthusiastic junior high students and teachers cheering — Stock Photo
    Portrait from above of enthusiastic junior high students and teachers cheering
    Schoolboy looking at globe in classroom at school — Stock Photo
    Schoolboy looking at globe in classroom at school
    Low angle side view of a group of female Caucasian field hockey players, before a game, standing in a row, greeting the opponents, on a sunny day — Stock Photo
    Low angle side view of a group of female Caucasian field hockey players, before a game, standing in a row, greeting the opponents, on a sunny day
    Schoolkids studying in the classroom at school — Stock Photo
    Schoolkids studying in the classroom at school
    Junior high students using computer in computer lab — Stock Photo
    Junior high students using computer in computer lab
    Female teacher and students programming and assembling robotics in classroom — Stock Photo
    Female teacher and students programming and assembling robotics in classroom
    Boys with basketball ball on schoolyard — Stock Photo
    Boys with basketball ball on schoolyard
    Teenagers playing pool indoors — Stock Photo
    Teenagers playing pool indoors
    Smiling female students studying at desk in classroom — Stock Photo
    Smiling female students studying at desk 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
    Curious junior high school student using virtual reality simulator in classroom — Stock Photo
    Curious junior high school student using virtual reality simulator in classroom
    Male teacher at touch screen leading lesson in classroom — Stock Photo
    Male teacher at touch screen leading lesson in classroom
    Portrait of a Caucasian male field hockey coach, preparing his team for a game, standing on a hockey pitch, looking at camera, with his team playing with a ball in the background on a sunny day — Stock Photo
    Portrait of a Caucasian male field hockey coach, preparing his team for a game, standing on a hockey pitch, looking at camera, with his team playing with a ball 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
    Side view of a multi-ethnic group of male field hokey players and a Caucasian male field hokey coach, preparing before a game, huddling, interacting on a sunny day — Stock Photo
    Side view of a multi-ethnic group of male field hokey players and a Caucasian male field hokey coach, preparing before a game, huddling, interacting on a sunny day
    Schoolkids using globe in classroom at school — Stock Photo
    Schoolkids using globe in classroom at school
    Students writing their GCSE exam in classroom — Stock Photo
    Students writing their GCSE exam in classroom
    Students working at computers in laboratory — Stock Photo
    Students working at computers in laboratory
    Female student with arms crossed standing in lab — Stock Photo
    Female student with arms crossed standing in lab
    Students conducting scientific experiment in laboratory classroom — Stock Photo
    Students conducting scientific experiment in laboratory classroom
    Front view close up of a Caucasian teenage female high school pupil, using a tablet and sitting on steps in the school grounds — Stock Photo
    Front view close up of a Caucasian teenage female high school pupil, using a tablet and sitting on steps in the school grounds