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    Teachers talking at library — Stock Photo
    Teachers talking at library
    High school students and teacher clapping debate class — Stock Photo
    High school students and teacher clapping debate class
    Portrait of confident junior high school student doing homework in classroom — Stock Photo
    Portrait of confident junior high school student doing homework in classroom
    Junior high school students at desks in classroom — Stock Photo
    Junior high school students at desks in classroom
    Girl student programming and assembling robotics in classroom — Stock Photo
    Girl student programming and assembling robotics in classroom
    Male teacher and girl students conducting scientific experiment at microscope and laptop in laboratory classroom — Stock Photo
    Male teacher and girl students conducting scientific experiment at microscope and laptop in laboratory classroom
    Students soldering circuit board in classroom — Stock Photo
    Students soldering circuit board in classroom
    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
    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
    Students studying in the class at school — Stock Photo
    Students studying in the class at school
    Front view of a teenage mixed-race boy in a school classroom sitting at desk, concentrating and using laptop computer, with teenage male and female classmates sitting at desks working in the background — Stock Photo
    Front view of a teenage mixed-race boy in a school classroom sitting at desk, concentrating and using laptop computer, with teenage male and female classmates sitting at desks working in the background
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    Portrait of confident teachers in library with students — Stock Photo
    Portrait of confident teachers in library with students
    Front view of a multi-ethnic group of teenage pupils sitting at desks in class studying at school with a Caucasian male teacher standing and talking to one Caucasian boy at his desk — Stock Photo
    Front view of a multi-ethnic group of teenage pupils sitting at desks in class studying at school with a Caucasian male teacher standing and talking to one Caucasian boy at his desk
    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
    Teenagers playing pool in community center — Stock Photo
    Teenagers playing pool in community center
    Low angle view, looking up at a multi-ethnic team of teenage male field hockey players and their Caucasian male field hockey coach preparing before a game, in a huddle on the pitch, interacting on a sunny day — Stock Photo
    Low angle view, looking up at a multi-ethnic team of teenage male field hockey players and their Caucasian male field hockey coach preparing before a game, in a huddle on the pitch, interacting on a sunny day
    Portrait smiling, confident girl student researching at computer in library — Stock Photo
    Portrait smiling, confident girl student researching at computer in library
    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
    Confident junior high school girl student doing homework in classroom — Stock Photo
    Confident junior high school girl student doing homework in classroom
    Focused girl student programming robotics at laptop in classroom — Stock Photo
    Focused girl student programming robotics at laptop in classroom
    Front view of two teenage African American female school pupils in a classroom, sitting at a table working together and talking — Stock Photo
    Front view of two teenage African American female school pupils in a classroom, sitting at a table working together and talking
    High angle view of young male student studying at desk in classroom — Stock Photo
    High angle view of young male student studying at desk in classroom
    Ovary. Light micrograph (LM) of section through whole ovary. Cortex (outer region) contains numerous corpora lutea (pink) and follicles (purple) at various stages of development — Stock Photo
    Ovary. Light micrograph (LM) of section through whole ovary. Cortex (outer region) contains numerous corpora lutea (pink) and follicles (purple) at various stages of development
    Female college student using microscope while practicing experiment in lab — Stock Photo
    Female college student using microscope while practicing experiment in lab
    Side view of college students studying at desk in classroom — Stock Photo
    Side view of college students studying at desk in classroom
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    Junior high students hanging out — Stock Photo
    Junior high students hanging out
    Female teacher and girl student programming robotics at laptop in classroom — Stock Photo
    Female teacher and girl student programming robotics at laptop in classroom
    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
    Side 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 exercises, preparing for shooting training on a sunny day — Stock Photo
    Side 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 exercises, preparing for shooting training on a sunny day
    Front view of an male Caucasian teacher standing and talking to a Caucasian male student in a multi-ethnic class of teenagers in a high school classroom sitting at desks and working — Stock Photo
    Front view of an male Caucasian teacher standing and talking to a Caucasian male student in a multi-ethnic class of teenagers in a high school classroom sitting at desks and working
    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
    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
    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
    Schoolboy explaining about world map in classroom at school — Stock Photo
    Schoolboy explaining about world map in classroom at school
    Male student showing tablet computer to friend while standing in lab — Stock Photo
    Male student showing tablet computer to friend while standing in lab
    Side view of two Caucasian teenage girls with long dark hair sitting in front of a window playing a flute and a ukulele and looking to camera — Stock Photo
    Side view of two Caucasian teenage girls with long dark hair sitting in front of a window playing a flute and a ukulele and looking to camera
    Smiling female science teacher leading lesson at projection screen in classroom — Stock Photo
    Smiling female science teacher leading lesson at projection screen in classroom
    Boy student examining DNA model in laboratory classroom — Stock Photo
    Boy student examining DNA model in laboratory classroom
    Coloured X-ray of the chest of a 52 year old female patient with metastatic (secondary) lung cancer (yellow). — Stock Photo
    Coloured X-ray of the chest of a 52 year old female patient with metastatic (secondary) lung cancer (yellow).
    Human ovary structure — Stock Photo
    Human ovary structure
    Teenage girl looking at computer while sitting at desk in lab — Stock Photo
    Teenage girl looking at computer while sitting at desk in lab
    Students programming at computer in computer lab classroom — Stock Photo
    Students programming at computer in computer lab 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, running, 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, running, on a sunny day
    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.
    High school students clapping in debate class — Stock Photo
    High school students clapping in debate class
    Portrait of a Caucasian teenage girl sitting at a desk in a school classroom writing in a notebook 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 writing in a notebook and looking to camera smiling, with classmates sitting at desks working in the background
    Curious students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Curious students watching chemical reaction, conducting scientific experiment in laboratory classroom
    Female high school teacher helping girl student doing homework in classroom — Stock Photo
    Female high school teacher helping girl student doing homework in classroom
    Female student reading book while standing by shelf in library — Stock Photo
    Female student reading book while standing by shelf in library
    Girl students studying at computers in library — Stock Photo
    Girl students studying at computers in library
    Front view of a multi-ethnic group of teenage male and female school pupils with schoolbags hanging out, walking and talking in their high school grounds — Stock Photo
    Front view of a multi-ethnic group of teenage male and female school pupils with schoolbags hanging out, walking and talking in their high school grounds
    Female teacher in hijab answering student questions in classroom — Stock Photo
    Female teacher in hijab answering student questions in classroom
    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
    Close up of human hands holding shining garland — Stock Photo
    Close up of human hands holding shining garland
    High school boy student taking notes, writing in notebook in classroom — Stock Photo
    High school boy student taking notes, writing in notebook in classroom
    Portrait smiling, confident girl student holding robot — Stock Photo
    Portrait smiling, confident girl student holding robot
    Junior high students using computers in computer lab — Stock Photo
    Junior high students using computers in computer lab
    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
    Schoolkids using globe in classroom at school — Stock Photo
    Schoolkids using globe in classroom at school