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    Happy young female college students studying in park — Stock Photo
    Happy young female college students studying in park
    High school students clapping for classmate in debate class — Stock Photo
    High school students clapping for classmate in debate class
    Smiling college students descending staircase — Stock Photo
    Smiling college students descending staircase
    Side view of a teenage Caucasian boy in a school classroom sitting at desk, looking for a pen in his pencil case, 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, looking for a pen in his pencil case, with teenage male and female classmates sitting at desks working in the background
    Female teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Female teacher and students conducting scientific experiment in laboratory classroom
    Portrait from above of enthusiastic junior high students and teachers cheering — Stock Photo
    Portrait from above of enthusiastic junior high students and teachers cheering
    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
    Front view of a multi-ethnic group of teenage male and female musicians sitting in a classroom holding their instruments during a break in school band practice session — Stock Photo
    Front view of a multi-ethnic group of teenage male and female musicians sitting in a classroom holding their instruments during a break in school band practice session
    Girl drawing bar graph — Stock Photo
    Girl drawing bar graph
    Front view of a teenage Caucasian boy sitting a desk looking ahead and raising his hand in a school classroom, with a row of teenage female classmates sitting at desks behind him also raising their hands — Stock Photo
    Front view of a teenage Caucasian boy sitting a desk looking ahead and raising his hand in a school classroom, with a row of teenage female classmates sitting at desks behind him also raising their hands
    Portrait of smiling, confident junior high school student doing homework in classroom — Stock Photo
    Portrait of smiling, confident junior high school student doing homework in classroom
    College students studying in computer lab — Stock Photo
    College students studying in computer lab
    Side view of a teenage Caucasian boy in a school classroom sitting at desk, concentrating and writing, 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 writing, with teenage male and female classmates sitting at desks working in the background
    Junior high school students using smartphone at desk in classroom — Stock Photo
    Junior high school students using smartphone at desk in classroom
    High school students doing arts and crafts — Stock Photo
    High school students doing arts and crafts
    High school students taking exam at desks in classroom — Stock Photo
    High school students taking exam at desks in classroom
    Portrait of smiling, confident male teacher in classroom — Stock Photo
    Portrait of smiling, confident male teacher in classroom
    Smiling girl students examining liquid in test tube, conducting scientific experiment in laboratory classroom — Stock Photo
    Smiling girl students examining liquid in test tube, conducting scientific experiment in laboratory classroom
    Students writing their GCSE exam — Stock Photo
    Students writing their GCSE exam
    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
    High school students with digital tablet and notebooks studying — Stock Photo
    High school students with digital tablet and notebooks studying
    Side view of a male Caucasian teacher standing and talking with a teenage Caucasian girl working on a computer and concentrating in a classroom, with teenage male and female classmates sitting at desks working in the background and foreground — Stock Photo
    Side view of a male Caucasian teacher standing and talking with a teenage Caucasian girl working on a computer and concentrating in a classroom, with teenage male and female classmates sitting at desks working in the background and foreground
    Happy young male college students studying and talking in classroom — Stock Photo
    Happy young male college students studying and talking in classroom
    Happy junior high schoolgirl — Stock Photo
    Happy junior high schoolgirl
    Portrait of playful, exuberant junior high student smiling — Stock Photo
    Portrait of playful, exuberant junior high student smiling
    Side view close up of a teenage mixed-race boy 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 close up of a teenage mixed-race boy in a school classroom sitting at desk, concentrating, with teenage male and female classmates sitting at desks working in the background
    High school students talking at table in debate class — Stock Photo
    High school students talking at table in debate class
    Smiling teenage girl studying with friends — Stock Photo
    Smiling teenage girl studying with friends
    Students painting in class over table — Stock Photo
    Students painting in class over table
    University students studying in library — Stock Photo
    University students studying in library
    Male teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and students conducting scientific experiment in laboratory 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
    Students writing their GCSE exam in classroom — Stock Photo
    Students writing their GCSE exam in classroom
    Happy, laughing junior high school students in classroom — Stock Photo
    Happy, laughing junior high school students in classroom
    Junior high schoolgirls — Stock Photo
    Junior high schoolgirls
    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
    Female students performing science experiment — Stock Photo
    Female students performing science experiment
    Junior high students talking in library — Stock Photo
    Junior high students talking in library
    High school teacher supervising students taking exam at tables — Stock Photo
    High school teacher supervising students taking exam at tables
    Students going out of classroom after lesson — Stock Photo
    Students going out of classroom after lesson
    High angle view of a multi-ethnic group of teenage concentrating pupils sitting at desks in class studying at school in a high school — Stock Photo
    High angle view of a multi-ethnic group of teenage concentrating pupils sitting at desks in class studying at school in a high school
    College students talking and walking in corridor — Stock Photo
    College students talking and walking in corridor
    Smiling college students studying in classroom — Stock Photo
    Smiling college students studying in classroom
    Boy students conducting scientific experiment, examining liquid in test tube in laboratory classroom — Stock Photo
    Boy students conducting scientific experiment, examining liquid in test tube in laboratory classroom
    Junior high school students pointing at globe in geography teacher hands — Stock Photo
    Junior high school students pointing at globe in geography teacher hands
    Schoolgirl raising hand — Stock Photo
    Schoolgirl raising hand
    Female friends talking in locker room — Stock Photo
    Female friends talking in locker room
    Junior high school boy student doing homework in classroom — Stock Photo
    Junior high school boy student doing homework in classroom
    Front view of a multi-ethnic group of teenage male and female high school pupils with schoolbags hanging out, talking and walking down steps in their school grounds — Stock Photo
    Front view of a multi-ethnic group of teenage male and female high school pupils with schoolbags hanging out, talking and walking down steps in their school grounds
    Front view of two Caucasian teenage male musicians rehearsing, one playing the French horn and one playing the trombone. High school education concept. — Stock Photo
    Front view of two Caucasian teenage male musicians rehearsing, one playing the French horn and one playing the trombone. High school education concept.
    Front view of a multi-ethnic group of teenage male and female musicians sitting in a classroom playing their instruments during a school band practice — Stock Photo
    Front view of a multi-ethnic group of teenage male and female musicians sitting in a classroom playing their instruments during a school band practice
    Side view mid section of boy and 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 mid section of boy and girl high school student sitting on chairs in an empty school theatre preparing before a performance, holding scripts and rehearsing together
    Students conducting scientific experiment in laboratory classroom — Stock Photo
    Students conducting scientific experiment in laboratory classroom
    Students putting books in drawer — Stock Photo
    Students putting books in drawer
    Young students studying in classroom — Stock Photo
    Young students studying in classroom
    Male student looking away while sitting with female classmates in classroom — Stock Photo
    Male student looking away while sitting with female classmates in classroom
    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 close up of a Caucasian teenage girl sitting at a desk in a school classroom writing in a notebook, with classmates sitting at desks working in the background — Stock Photo
    Front view close up of a Caucasian teenage girl sitting at a desk in a school classroom writing in a notebook, with classmates sitting at desks working in the background
    Mature female professor teaching students — Stock Photo
    Mature female professor teaching students
    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