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    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
    High school students clapping for classmate in debate class — Stock Photo
    High school students clapping for classmate in debate class
    Female students performing chemistry experiment in lab — Stock Photo
    Female students performing chemistry experiment in lab
    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
    High school students watching female teacher leading lesson at projection screen in classroom — Stock Photo
    High school students watching female teacher leading lesson at projection screen in classroom
    Side view of a teenage Caucasian boy in a school classroom sitting at desk, concentrating and smiling, with teenage male and female classmates sitting at desks working in the background — Stock Photo
    Side view of a teenage Caucasian boy in a school classroom sitting at desk, concentrating and smiling, with teenage male and female classmates sitting at desks working in the background
    High angle view of teenage girl using smartphone at desk in classroom — Stock Photo
    High angle view of teenage girl using smartphone at desk in classroom
    Schoolkids standing in school campus on a sunny day — Stock Photo
    Schoolkids standing in school campus on a sunny day
    Schoolgirl standing near chalkboard in classroom at school — Stock Photo
    Schoolgirl standing near chalkboard in classroom at school
    University students sitting at table during exam in classroom — Stock Photo
    University students sitting at table during exam in classroom
    Teenage female practicing chemistry experiment in lab — Stock Photo
    Teenage female practicing chemistry experiment in lab
    Male science teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Male science teacher and students conducting scientific experiment in laboratory classroom
    Front view of a teenage mixed-race boy in a school classroom sitting at desk, concentrating and reading, with teenage male and female classmates sitting at desks working around him — Stock Photo
    Front view of a teenage mixed-race boy in a school classroom sitting at desk, concentrating and reading, with teenage male and female classmates sitting at desks working around him
    Male teacher with students in classroom at school — Stock Photo
    Male teacher with students in classroom at school
    Portrait of teenage girl holding tablet while sitting by machinery in lab — Stock Photo
    Portrait of teenage girl holding tablet while sitting by machinery in lab
    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
    Junior high school students watching teacher give lesson at projection screen in classroom — Stock Photo
    Junior high school students watching teacher give lesson at projection screen in classroom
    Portrait playful girl student holding molecular structure on head at microscope in laboratory classroom — Stock Photo
    Portrait playful girl student holding molecular structure on head at microscope in laboratory classroom
    Teenage girl using digital tablet while standing by desk in lab — Stock Photo
    Teenage girl using digital tablet while standing by desk in lab
    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
    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
    Group portrait of a multi-ethnic group of eight teenage male and female musicians sitting in a row in a classroom holding their instruments during a school band practice — Stock Photo
    Group portrait of a multi-ethnic group of eight teenage male and female musicians sitting in a row in a classroom holding their instruments during a school band practice
    College students using microscope while practicing experiment in lab — Stock Photo
    College students using microscope while practicing experiment in lab
    Side view of male college student practicing chemistry experiment in lab — Stock Photo
    Side view of male college student practicing chemistry experiment in lab
    Female teacher and students examining DNA model in classroom — Stock Photo
    Female teacher and students examining DNA model in classroom
    Side view of a Caucasian teenage girl in an empty high school theatre preparing before a performance, standing on the stage, holding a script and practicing her part — Stock Photo
    Side view of a Caucasian teenage girl in an empty high school theatre preparing before a performance, standing on the stage, holding a script and practicing her part
    Portrait close up of a mixed race teenage girl with dark hair and brown eyes standing in a school classroom smiling to camera, with classmates talking in the background — Stock Photo
    Portrait close up of a mixed race teenage girl with dark hair and brown eyes standing in a school classroom smiling to camera, with classmates talking in the background
    Curious, focused boy examining computer chip in classroom — Stock Photo
    Curious, focused boy examining computer chip in classroom
    Smiling female high school teacher leading lesson in classroom — Stock Photo
    Smiling female high school teacher leading lesson 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
    Smiling male teacher and students programming robotics at laptop in classroom — Stock Photo
    Smiling male teacher and students programming robotics at laptop in classroom
    Schoolkids studying in the classroom at school — Stock Photo
    Schoolkids studying in the classroom at school
    Junior high school girl student using computer in classroom — Stock Photo
    Junior high school girl student using computer in classroom
    Female science teacher and students in laboratory classroom — Stock Photo
    Female science teacher and students in laboratory classroom
    Smiling high school students listening in debate class — Stock Photo
    Smiling high school students listening in debate class
    Portrait of smiling female student wearing school uniform standing in corridor — Stock Photo
    Portrait of smiling female student wearing school uniform standing in corridor
    Front view of a multi-ethnic group of high school teenage male and female school pupils in a classroom, sitting at a table working together, looking at a laptop computer — Stock Photo
    Front view of a multi-ethnic group of high school teenage male and female school pupils in a classroom, sitting at a table working together, looking at a laptop computer
    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
    Smiling male teacher leading lesson in classroom — Stock Photo
    Smiling male teacher leading lesson in classroom
    Junior high school students in classroom — Stock Photo
    Junior high school students in classroom
    Schoolgirl standing near chalkboard in classroom at school — Stock Photo
    Schoolgirl standing near chalkboard in classroom at school
    Side view of a Caucasian teenage boy sitting on the edge of the stage holding a script in an empty school theatre during rehearsals for a performance — Stock Photo
    Side view of a Caucasian teenage boy sitting on the edge of the stage holding a script in an empty school theatre during rehearsals for a performance
    High angle view of a multi-ethnic group of teenage school pupils sitting and standing around a table in a classroom looking at laptop and tablet computers together and talking at break time — Stock Photo
    High angle view of a multi-ethnic group of teenage school pupils sitting and standing around a table in a classroom looking at laptop and tablet computers together and talking at break time
    Front view of a multi-ethnic group of teenage pupils standing together in a classroom and smiling to camera at break time — Stock Photo
    Front view of a multi-ethnic group of teenage pupils standing together in a classroom and smiling to camera at break time
    Female university student holding equipment while practicing experiment in laboratory — Stock Photo
    Female university student holding equipment while practicing experiment in laboratory
    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
    Low angle view of young college students at desk while sitting classroom — Stock Photo
    Low angle view of young college students at desk while sitting classroom
    Girl students studying at computer in library — Stock Photo
    Girl students studying at computer in library
    Schoolboy writing on chalkboard in classroom at school — Stock Photo
    Schoolboy writing on chalkboard in classroom at school
    Junior high students using computers in computer lab — Stock Photo
    Junior high students using computers in computer lab
    Junior high school boy students using digital tablets at desk in classroom — Stock Photo
    Junior high school boy students using digital tablets at desk in classroom
    Surprised, curious students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Surprised, curious students watching chemical reaction, conducting scientific experiment in laboratory classroom
    Portrait confident junior high school boy studying in classroom — Stock Photo
    Portrait confident junior high school boy studying in classroom
    Portrait smiling girl student using computer in computer lab — Stock Photo
    Portrait smiling girl student using computer in computer lab
    Students writing their GCSE exam in classroom — Stock Photo
    Students writing their GCSE exam in classroom
    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
    Side view of a African American 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 African American teenage girl in an empty high school theatre, sitting in the auditorium preparing for a performance, holding a script and learning lines
    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
    Schoolkids holding sketch pens in classroom at school — Stock Photo
    Schoolkids holding sketch pens in classroom at school
    Junior high school students using virtual reality simulators in dark classroom — Stock Photo
    Junior high school students using virtual reality simulators in dark classroom