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    Side view of a teenage Caucasian boy in a school classroom sitting at desk, concentrating, looking out of the window and leaning his head on his hand — Stock Photo
    Side view of a teenage Caucasian boy in a school classroom sitting at desk, concentrating, looking out of the window and leaning his head on his hand
    Female teacher and junior high school students studying at desk in classroom — Stock Photo
    Female teacher and junior high school students studying at desk 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 confident high school boy student in classroom — Stock Photo
    Portrait confident high school boy student in classroom
    Front view of a Caucasian teenage female high school student using a smartphone and walking in the school grounds — Stock Photo
    Front view of a Caucasian teenage female high school student using a smartphone and walking in the school grounds
    High angle view of female university student practicing diagram while studying at desk in classroom — Stock Photo
    High angle view of female university student practicing diagram while studying at desk in classroom
    Female teacher and girl student conducting scientific experiment at microscope in laboratory — Stock Photo
    Female teacher and girl student conducting scientific experiment at microscope in laboratory
    Junior high students talking in library — Stock Photo
    Junior high students talking in library
    Junior high school students using futuristic touch screen in classroom — Stock Photo
    Junior high school students using futuristic touch screen in classroom
    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
    Focused boy student programming at computer in dark classroom — Stock Photo
    Focused boy student programming at computer in dark classroom
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    Portrait of teenage girl holding clipboard while standing in lab — Stock Photo
    Portrait of teenage girl holding clipboard while standing in lab
    Side view of a multi-ethnic group of teenage male and female choristers holding sheet music and singing standing on the stage of a school theatre during rehearsals for a performance — Stock Photo
    Side view of a multi-ethnic group of teenage male and female choristers holding sheet music and singing standing on the stage of a school theatre during rehearsals for a performance
    Students studying in the classroom at school — Stock Photo
    Students studying in the classroom at school
    Portrait of confident teachers standing outside school building steps — Stock Photo
    Portrait of confident teachers standing outside school building steps
    Male teacher leading lesson at touch screen in classroom — Stock Photo
    Male teacher leading lesson at touch screen in classroom
    Girl student programming and assembling robotics in classroom — Stock Photo
    Girl student programming and assembling robotics in classroom
    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
    Students conducting scientific experiment in laboratory classroom — Stock Photo
    Students conducting scientific experiment in laboratory classroom
    Female students performing chemistry experiment in lab — Stock Photo
    Female students performing chemistry experiment in lab
    Portrait of playful junior high girl student wearing virtual reality glasses — Stock Photo
    Portrait of playful junior high girl student wearing virtual reality glasses
    Focused high school girl student studying in classroom — Stock Photo
    Focused high school girl student studying in classroom
    Front view of a multi-ethnic group of teenage male and female choristers holding sheet music and singing standing on the stage of a school theatre during rehearsals for a performance — Stock Photo
    Front view of a multi-ethnic group of teenage male and female choristers holding sheet music and singing standing on the stage of a school theatre during rehearsals for a performance
    Smiling, eager girl student asking a question in classroom — Stock Photo
    Smiling, eager girl student asking a question in classroom
    Young student studying at desk om classroom — Stock Photo
    Young student studying at desk om classroom
    Male teacher teaching students in the classroom at school — Stock Photo
    Male teacher teaching students in the classroom at school
    Portrait of a Caucasian musician young pretty teenage girl sitting by a window playing the violin in a high school — Stock Photo
    Portrait of a Caucasian musician young pretty teenage girl sitting by a window playing the violin in a high school
    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
    Portrait of smiling, confident female teacher — Stock Photo
    Portrait of smiling, confident female teacher
    Smiling junior high school students at desk in classroom — Stock Photo
    Smiling junior high school students at desk in classroom
    Focused high school girl student studying in classroom — Stock Photo
    Focused high school girl student studying in classroom
    Students studying in the classroom at school — Stock Photo
    Students studying in the classroom at school
    Girl students researching, using computer in library — Stock Photo
    Girl students researching, using computer in library
    Junior high school students talking in classroom — Stock Photo
    Junior high school students talking in classroom
    Portrait confident tween boy with basketball in schoolyard — Stock Photo
    Portrait confident tween boy with basketball in schoolyard
    Students using digital tablet and laptop in library — Stock Photo
    Students using digital tablet and laptop in library
    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 Caucasian teenage boy in an empty high school theatre, sitting on steps of the front of the stage, preparing for a performance, holding a script and learning lines — Stock Photo
    Side view of a Caucasian teenage boy in an empty high school theatre, sitting on steps of the front of the stage, preparing for a performance, holding a script and learning lines
    Female science teacher and girl student writing at whiteboard in classroom — Stock Photo
    Female science teacher and girl student writing at whiteboard in classroom
    Junior high school girl student doing homework at desk in classroom — Stock Photo
    Junior high school girl student doing homework at desk in classroom
    Female university student using digital tablet while studying at desk in classroom — Stock Photo
    Female university student using digital tablet while studying at desk in classroom
    Front view of a teenage mixed-race boy in a school classroom sitting at desk, raising his hand to answer a question, 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, raising his hand to answer a question, with teenage male and female classmates sitting at desks working in the background
    Rear view of a Caucasian male high school teacher sitting on a chair on the stage in an empty school theatre and pointing during rehearsals for a performance, preparing a multi-ethnic group of teenage high school students for a performance — Stock Photo
    Rear view of a Caucasian male high school teacher sitting on a chair on the stage in an empty school theatre and pointing during rehearsals for a performance, preparing a multi-ethnic group of teenage high school students for a performance
    Teacher helping junior high school students at desk in classroom — Stock Photo
    Teacher helping junior high school students at desk in classroom
    Schoolgirl explaining about world map in classroom at school — Stock Photo
    Schoolgirl explaining about world map in classroom at school
    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
    Front view of multi-ethnic group of teenagers in a high school classroom sitting at desks, all raising their hands to answer a question — Stock Photo
    Front view of multi-ethnic group of teenagers in a high school classroom sitting at desks, all raising their hands to answer a question
    Happy elementary school boy using digital tablet in classroom — Stock Photo
    Happy elementary school boy using digital tablet in classroom
    High angle view of a Caucasian teenage boy playing a trombone during a school band practice, with a Caucasian teenage girl and other teenage musicians sitting in the background — Stock Photo
    High angle view of a Caucasian teenage boy playing a trombone during a school band practice, with a Caucasian teenage girl and other teenage musicians sitting in the background
    Female high school teacher helping girl student doing homework in classroom — Stock Photo
    Female high school teacher helping girl student doing homework in classroom
    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
    Male science teacher and students laughing, conducting scientific experiment in laboratory classroom — Stock Photo
    Male science teacher and students laughing, conducting scientific experiment in laboratory classroom
    Male teacher helping girl student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher helping girl student using microscope, conducting scientific experiment in laboratory classroom
    Male teacher teaching students in the classroom at school — Stock Photo
    Male teacher teaching students in the classroom at school
    Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom — Stock Photo
    Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom
    Smiling students researching, using digital tablet at table in library — Stock Photo
    Smiling students researching, using digital tablet at table in library
    Side view of a multi-ethnic group of male and female teenager students sitting on a wall talking and using tablet computers in their school grounds — Stock Photo
    Side view of a multi-ethnic group of male and female teenager students sitting on a wall talking and using tablet computers in their school grounds
    Junior high students leaving school building, descending steps — Stock Photo
    Junior high students leaving school building, descending steps
    Teenage girl performing chemistry experiment in lab — Stock Photo
    Teenage girl performing chemistry experiment in lab