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    Male teacher leading lesson at touch screen in classroom — Stock Photo
    Male teacher leading lesson at touch screen in classroom
    Rear view of a group of female Caucasian field hockey players, preparing before a game, standing in a row embracing, concentrating, on a sunny day — Stock Photo
    Rear view of a group of female Caucasian field hockey players, preparing before a game, standing in a row embracing, concentrating, on a sunny day
    Schoolkids walking in school campus on a sunny day — Stock Photo
    Schoolkids walking in school campus on a sunny day
    Side view close up of a Caucasian teenage girl sitting in front of a window playing a flute, selective focus — Stock Photo
    Side view close up of a Caucasian teenage girl sitting in front of a window playing a flute, selective focus
    Teenage girl using digital tablet while standing by desk in lab — Stock Photo
    Teenage girl using digital tablet while standing by desk in lab
    Front view mid section of musician teenage boy sitting and playing an acoustic guitar. Shot in music school. — Stock Photo
    Front view mid section of musician teenage boy sitting and playing an acoustic guitar. Shot in music school.
    Students researching, using digital tablet at table in library — Stock Photo
    Students researching, using digital tablet at table in library
    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
    Schoolkids having fun in school campus on a sunny day — Stock Photo
    Schoolkids having fun in school campus on a sunny day
    Side 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
    Side 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
    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 close up of a teenage mixed-race boy in a school classroom sitting at desk, concentrating and using tablet computer, with teenage male and female classmates sitting at desks working in the background — Stock Photo
    Front view close up of a teenage mixed-race boy in a school classroom sitting at desk, concentrating and using tablet computer, with teenage male and female classmates sitting at desks working in the background
    Elegant wedding rings on table — Stock Photo
    Elegant wedding rings on table
    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
    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
    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
    Side view of a multi-ethnic group of teenage male and female high school pupils in a classroom, working on computers and concentrating — Stock Photo
    Side view of a multi-ethnic group of teenage male and female high school pupils in a classroom, working on computers and concentrating
    Junior high students with backpacks walking in school corridor — Stock Photo
    Junior high students with backpacks walking in school corridor
    Rear view of a multi-ethnic group of teenage male field hockey players and a Caucasian male field hockey coach, motivating before a game, high fiving in a huddle, interacting on the pitch on a sunny day — Stock Photo
    Rear view of a multi-ethnic group of teenage male field hockey players and a Caucasian male field hockey coach, motivating before a game, high fiving in a huddle, interacting on the pitch on a sunny day
    Front view of a multi-ethnic group of teenage school pupils and their Caucasian male teacher standing in a classroom looking at laptop computers together, the pupils listening while the teacher talks — Stock Photo
    Front view of a multi-ethnic group of teenage school pupils and their Caucasian male teacher standing in a classroom looking at laptop computers together, the pupils listening while the teacher talks
    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
    High school students clapping for classmate in debate class — Stock Photo
    High school students clapping for classmate in debate class
    Male teacher leading lesson in classroom — Stock Photo
    Male teacher leading lesson in classroom
    High angle view of students practicing diagram while studyhing at desk in classroom — Stock Photo
    High angle view of students practicing diagram while studyhing at desk in classroom
    Students studying at desk in classroom — Stock Photo
    Students studying at desk in classroom
    Female teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Female teacher and students conducting scientific experiment in laboratory classroom
    Junior high students using computer in computer lab — Stock Photo
    Junior high students using computer in computer lab
    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
    Tween boys playing basketball in schoolyard — Stock Photo
    Tween boys playing basketball in schoolyard
    Front view of a multi-ethnic group of teenage school pupils sitting in a classroom looking at a laptop computer together and smiling at break time — Stock Photo
    Front view of a multi-ethnic group of teenage school pupils sitting in a classroom looking at a laptop computer together and smiling at break time
    Front 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
    Front 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
    Young college students practicing experiment in lab — Stock Photo
    Young college students practicing experiment in lab
    Female teacher in hijab leading lesson at projection screen in classroom — Stock Photo
    Female teacher in hijab leading lesson at projection screen in classroom
    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, holding hockey sticks 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, holding hockey sticks on a sunny day
    High angle view of university students studying at desk in classroom — Stock Photo
    High angle view of university students studying at desk in classroom
    Students writing their GCSE exam in classroom — Stock Photo
    Students writing their GCSE exam in classroom
    Curious students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Curious students watching chemical reaction, conducting scientific experiment in laboratory classroom
    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
    Male high school teacher helping boy student with homework in classroom — Stock Photo
    Male high school teacher helping boy student with homework in classroom
    Secondary liver cancer — Stock Photo
    Secondary liver cancer
    Smiling boy student assembling DNA model in classroom — Stock Photo
    Smiling boy student assembling DNA model in classroom
    Smiling female chemistry teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Smiling female chemistry teacher and students conducting scientific experiment in laboratory classroom
    Teenage girl holding clipboard while practicing experiment in lab — Stock Photo
    Teenage girl holding clipboard while practicing experiment in lab
    Junior high school students using computer in classroom — Stock Photo
    Junior high school students using computer 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
    Science teacher helping girl student at microscope in classroom laboratory — Stock Photo
    Science teacher helping girl student at microscope in classroom laboratory
    Front view of a Caucasian teenage male and female musician rehearsing, the girl playing the violin and the boy playing the saxophone — Stock Photo
    Front view of a Caucasian teenage male and female musician rehearsing, the girl playing the violin and the boy playing the saxophone
    Side view of a Caucasian female field hockey player training before a game, working out on a hockey pitch, shading her eyes from the sun, with her teammates in the background, on a sunny day — Stock Photo
    Side view of a Caucasian female field hockey player training before a game, working out on a hockey pitch, shading her eyes from the sun, with her teammates in the background, on a sunny day
    Side view of a Caucasian female director and a multi-ethnic group of teenage male and female choristers standing opposite each other holding sheet music and singing on the stage of a school theatre during rehearsals for a performance — Stock Photo
    Side view of a Caucasian female director and a multi-ethnic group of teenage male and female choristers standing opposite each other holding sheet music and singing on the stage of a school theatre during rehearsals for a performance
    Teenagers playing pool in community center — Stock Photo
    Teenagers playing pool in community center
    Students using laptop in the classroom at school — Stock Photo
    Students using laptop in the classroom at school
    Thoughtful schoolkid sitting in the classroom at school — Stock Photo
    Thoughtful schoolkid sitting in the classroom at school
    Female university student studying at desk in classroom — Stock Photo
    Female university student studying at desk in classroom
    Female student using desktop computer while sitting at desk in classroom — Stock Photo
    Female student using desktop computer while sitting at desk in classroom
    Portrait close up of a Caucasian teenage boy with short hair and grey eyes standing in a school classroom smiling to camera, with classmates talking in the background — Stock Photo
    Portrait close up of a Caucasian teenage boy with short hair and grey eyes standing in a school classroom smiling to camera, with classmates talking in the background
    Smiling boy wearing goggles and lab coat in laboratory classroom — Stock Photo
    Smiling boy wearing goggles and lab coat in laboratory classroom
    Side view of a multi-ethnic group of high school teenage male and female school pupils in a classroom, sitting at a table working together — Stock Photo
    Side view of a multi-ethnic group of high school teenage male and female school pupils in a classroom, sitting at a table working together
    Curious girl student holding molecule model in classroom — Stock Photo
    Curious girl student holding molecule model in classroom
    Front view of a multi-ethnic team of teenage male field hockey players preparing before a game, standing on the pitch in a row, wearing their team strip, with their hands behind their backs, looking to camera on a sunny day — Stock Photo
    Front view of a multi-ethnic team of teenage male field hockey players preparing before a game, standing on the pitch in a row, wearing their team strip, with their hands behind their backs, looking to camera on a sunny day
    Side view of a multi-ethnic group of teenage male field hockey players and their Caucasian field hockey coach, training before a game, working out on a field hokey pitch, doing sit ups with their coach on a sunny day — Stock Photo
    Side view of a multi-ethnic group of teenage male field hockey players and their Caucasian field hockey coach, training before a game, working out on a field hokey pitch, doing sit ups with their coach on a sunny day