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    Side view of a teenage Caucasian girl 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 girl in a school classroom sitting at desk, concentrating and writing, with teenage male and female classmates sitting at desks working in the background
    Male teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and students conducting scientific experiment in laboratory classroom
    High school students talking and walking in corridor — Stock Photo
    High school students talking and walking in corridor
    Front view of a male Caucasian teacher standing, using a laptop and talking to a multi-ethnic group of teenagers in a school high school classroom sitting at desks and listening — Stock Photo
    Front view of a male Caucasian teacher standing, using a laptop and talking to a multi-ethnic group of teenagers in a school high school classroom sitting at desks and listening
    A Group Of Friends At The Classroom Corridor. — Stock Photo
    A Group Of Friends At The Classroom Corridor.
    Surprised students conducting scientific experiment, watching chemical reaction in classroom laboratory — Stock Photo
    Surprised students conducting scientific experiment, watching chemical reaction in classroom laboratory
    Junior high school students with backpacks in classroom — Stock Photo
    Junior high school students with backpacks in classroom
    Side view of a teenage Caucasian girl 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 of a teenage Caucasian girl in a school classroom sitting at desk, concentrating, with teenage male and female classmates sitting at desks working in the background
    Junior high students in library — Stock Photo
    Junior high students in library
    University student using microscope — Stock Photo
    University student using microscope
    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
    High school students talking during debate class in classroom — Stock Photo
    High school students talking during debate class in classroom
    Portrait confident college students in shop class — Stock Photo
    Portrait confident college students in shop class
    Teacher explaining students in classroom — Stock Photo
    Teacher explaining students in classroom
    Two teenage boys standing and greeting on the urban basket court — Stock Photo
    Two teenage boys standing and greeting on the urban basket court
    Wniversity students discussing by whiteboard — Stock Photo
    Wniversity students discussing by whiteboard
    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
    Female teacher and students watching scientific experiment chemical reaction in laboratory classroom — Stock Photo
    Female teacher and students watching scientific experiment chemical reaction in laboratory classroom
    High school students clapping for teacher in debate class — Stock Photo
    High school students clapping for teacher in debate class
    Young students studying in classroom — Stock Photo
    Young students studying in classroom
    Portrait confident junior high school boy student doing homework in classroom — Stock Photo
    Portrait confident junior high school boy student doing homework in classroom
    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 confident college students in lobby — Stock Photo
    Portrait confident college students in lobby
    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
    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 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
    Front view of a male Caucasian teacher holding a tablet and talking to a multi-ethnic group of teenagers in a school high school classroom sitting at desks and listening — Stock Photo
    Front view of a male Caucasian teacher holding a tablet and talking to a multi-ethnic group of teenagers in a school high school classroom sitting at desks and listening
    Junior high school students participating with hands raised in classroom — Stock Photo
    Junior high school students participating with hands raised in classroom
    Young college students studying together — Stock Photo
    Young college students studying together
    High school students doing arts and crafts — Stock Photo
    High school students doing arts and crafts
    Junior high students leaving school building, descending steps — Stock Photo
    Junior high students leaving school building, descending steps
    Portrait enthusiastic junior high girl students waving on steps — Stock Photo
    Portrait enthusiastic junior high girl students waving on steps
    Male teacher leading lesson at projection screen in classroom — Stock Photo
    Male teacher leading lesson at projection screen in classroom
    Female teacher helping junior high school students doing homework at desk in classroom — Stock Photo
    Female teacher helping junior high school students doing homework at desk in classroom
    Front view close up of a Caucasian teenage girl and boy embracing and smiling in their school grounds, the girl looking to camera — Stock Photo
    Front view close up of a Caucasian teenage girl and boy embracing and smiling in their school grounds, the girl looking to camera
    Side view of a mixed race teenage male high school student in an empty school theatre during rehearsals for a performance, standing on the stage holding a script and practicing his part, with other pupils holding scripts in the background — Stock Photo
    Side view of a mixed race teenage male high school student in an empty school theatre during rehearsals for a performance, standing on the stage holding a script and practicing his part, with other pupils holding scripts in the background
    High school students hanging out — Stock Photo
    High school students hanging out
    Happy college students taking selfie with digital tablet in park — Stock Photo
    Happy college students taking selfie with digital tablet in park
    Side view of a teenage African American male high school student reading to a multi-ethnic class of teenagers sitting at desks in a school classroom listening and concentrating — Stock Photo
    Side view of a teenage African American male high school student reading to a multi-ethnic class of teenagers sitting at desks in a school classroom listening and concentrating
    High angle side view of a Caucasian male teacher sitting in a classroom conducting a multi-ethnic group of teenage male and female musicians at a school band practice — Stock Photo
    High angle side view of a Caucasian male teacher sitting in a classroom conducting a multi-ethnic group of teenage male and female musicians at a school band practice
    Junior high students using computer in computer lab — Stock Photo
    Junior high students using computer in computer lab
    Enthusiastic female teacher and junior high school students in classroom — Stock Photo
    Enthusiastic female teacher and junior high school students in classroom
    Junior high boy students and male teacher taking selfie with smart phone — Stock Photo
    Junior high boy students and male teacher taking selfie with smart phone
    College students studying and using digital tablet in park — Stock Photo
    College students studying and using digital tablet in park
    Portrait happy junior high students and teachers in library — Stock Photo
    Portrait happy junior high students and teachers in library
    Elevated view of students writing their GCSE exam — Stock Photo
    Elevated view of students writing their GCSE exam
    Happy high school students with digital tablet studying — Stock Photo
    Happy high school students with digital tablet studying
    Side view of a teenage Caucasian girl 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 of a teenage Caucasian girl in a school classroom sitting at desk, concentrating, with teenage male and female classmates sitting at desks working in the background
    Happy young female college students studying in park — Stock Photo
    Happy young female college students studying in park
    High school students taking exam at tables — Stock Photo
    High school students taking exam at tables
    Happy high school girl students studying in corridor — Stock Photo
    Happy high school girl students studying in corridor
    Students writing their GCSE exam — Stock Photo
    Students writing their GCSE exam
    Focused junior high school girl student doing homework at desk in classroom — Stock Photo
    Focused junior high school girl student doing homework at desk in classroom
    Focused junior high school girl student doing homework in classroom — Stock Photo
    Focused junior high school girl student doing homework in classroom
    High school teacher supervising students taking exam at desks — Stock Photo
    High school teacher supervising students taking exam at desks
    Front view of two Caucasian teenage boys and a mixed race teenage girl in discussion, holding scripts and smiling in the auditorium of an empty school theatre during rehearsals for a performance — Stock Photo
    Front view of two Caucasian teenage boys and a mixed race teenage girl in discussion, holding scripts and smiling in the auditorium of an empty school theatre during rehearsals for a performance
    High school teacher supervising students taking exam at desks — Stock Photo
    High school teacher supervising students taking exam at desks
    High school teacher supervising students taking exam at desks — Stock Photo
    High school teacher supervising students taking exam at desks
    Female students performing science experiment — Stock Photo
    Female students performing science experiment
    High school students with hands raised in classroom — Stock Photo
    High school students with hands raised in classroom