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    Junior high students discussing — Stock Photo
    Junior high students discussing
    Focused high school girl student taking exam — Stock Photo
    Focused high school girl student taking exam
    Man teaching little boy at home with family on background — Stock Photo
    Man teaching little boy at home with family on background
    Smiling college students studying in classroom — Stock Photo
    Smiling college students studying in classroom
    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
    Junior high students using computer in computer lab — Stock Photo
    Junior high students using computer in computer lab
    Teacher and students in classroom during lesson — Stock Photo
    Teacher and students in classroom during lesson
    Front view of a multi-ethnic group of teenage male field hockey players, training before a game, working out on a field hockey pitch, running on a sunny day — Stock Photo
    Front view of a multi-ethnic group of teenage male field hockey players, training before a game, working out on a field hockey pitch, running on a sunny day
    High angle view of rural female teacher and chinese pupils raising hands and smiling at camera in classroom — Stock Photo
    High angle view of rural female teacher and chinese pupils raising hands and smiling at camera in classroom
    Female teacher and junior high school girl students at desk in classroom — Stock Photo
    Female teacher and junior high school girl students at desk in classroom
    Young male basketball player dunking the ball into hoop with defenders below — Stock Photo
    Young male basketball player dunking the ball into hoop with defenders below
    College students taking test at desks in classroom — Stock Photo
    College students taking test at desks in classroom
    Girl students using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl students using microscope, conducting scientific experiment in laboratory classroom
    Portrait smiling, confident girl student next to DNA model in classroom — Stock Photo
    Portrait smiling, confident girl student next to DNA model in classroom
    Portrait of a Caucasian female field hockey players, training before a game, standing on a hockey pitch, looking at camera, with her teammates standing in a row behind her on a sunny day — Stock Photo
    Portrait of a Caucasian female field hockey players, training before a game, standing on a hockey pitch, looking at camera, with her teammates standing in a row behind her on a sunny day
    Two teenage boys with skateboard and backpack shaking hands and laughing on the street — Stock Photo
    Two teenage boys with skateboard and backpack shaking hands and laughing on the street
    Close up focused young male basketball player shooting the ball — Stock Photo
    Close up focused young male basketball player shooting the ball
    Teenage girl sitting on bed at home and studying — Stock Photo
    Teenage girl sitting on bed at home and studying
    Focused young male basketball player shooting the ball on court — Stock Photo
    Focused young male basketball player shooting the ball on court
    Asian mother hugging pre-teen daughter and making her laugh. — Stock Photo
    Asian mother hugging pre-teen daughter and making her laugh.
    High school teacher supervising students taking exam at desks — Stock Photo
    High school teacher supervising students taking exam at desks
    High school students and teacher clapping for student in debate class — Stock Photo
    High school students and teacher clapping for student in debate class
    Side view of a teenage Caucasian boy in a school classroom sitting at desk, concentrating and writing, with teenage mixed race male and African American female classmates sitting at desks working in the on either side of him — Stock Photo
    Side view of a teenage Caucasian boy in a school classroom sitting at desk, concentrating and writing, with teenage mixed race male and African American female classmates sitting at desks working in the on either side of him
    College students with coffee discussing homework — Stock Photo
    College students with coffee discussing homework
    Portrait smiling, confident young male basketball player team in red jerseys — Stock Photo
    Portrait smiling, confident young male basketball player team in red jerseys
    Portrait of a High School baseball player in maroon uniform holding his bat — Stock Photo
    Portrait of a High School baseball player in maroon uniform holding his bat
    Top view of plastic lunchbox with pasta, tomatoes, cheese and broccoli placed by black plastic fork and notepad with pencils on brown background — Stock Photo
    Top view of plastic lunchbox with pasta, tomatoes, cheese and broccoli placed by black plastic fork and notepad with pencils on brown background
    Female teacher and girl students examining molecular structure in classroom — Stock Photo
    Female teacher and girl students examining molecular structure in classroom
    Mixed race family of four walking on a cactus trail. — Stock Photo
    Mixed race family of four walking on a cactus trail.
    High school students talking at table in debate class — Stock Photo
    High school students talking at table in debate class
    High school students studying in classroom — Stock Photo
    High school students studying in classroom
    Pensive relaxed kid hanging on rope climbing net on playground in bright light — Stock Photo
    Pensive relaxed kid hanging on rope climbing net on playground in bright light
    Smiling teacher talking to high school students on street — Stock Photo
    Smiling teacher talking to high school students on street
    College students talking and studying together — Stock Photo
    College students talking and studying together
    Students studying at desk in classroom — Stock Photo
    Students studying at desk in classroom
    Female teacher and girl students using microscope and laptop, conducting scientific experiment in laboratory classroom — Stock Photo
    Female teacher and girl students using microscope and laptop, conducting scientific experiment in laboratory classroom
    Young students studying in classroom — Stock Photo
    Young students studying 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
    Portrait confident young female college student in library — Stock Photo
    Portrait confident young female college student in library
    Empty seats in a school theatre auditorium, with the house lights on in a high school — Stock Photo
    Empty seats in a school theatre auditorium, with the house lights on in a high school
    High school teacher helping students studying in classroom — Stock Photo
    High school teacher helping students studying in classroom
    Low angle 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
    Low angle 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
    Curious junior high school students looking at globe in classroom — Stock Photo
    Curious junior high school students looking at globe in classroom
    Mature female professor writing on book — Stock Photo
    Mature female professor writing on book
    High school teacher supervising students taking exam at desks — Stock Photo
    High school teacher supervising students taking exam at desks
    Front view of a Caucasian male high school teacher, standing and talking with a teenage Caucasian girl in a school classroom sitting at desk, with teenage classmates sitting at desks working in the background — Stock Photo
    Front view of a Caucasian male high school teacher, standing and talking with a teenage Caucasian girl in a school classroom sitting at desk, with teenage classmates sitting at desks working in the background
    Learning, education and school concept. Young woman and man studying for a test or an exam. Tutor books with friends. Young students campus helps friend catching up and learning. — Stock Photo
    Learning, education and school concept. Young woman and man studying for a test or an exam. Tutor books with friends. Young students campus helps friend catching up and learning.
    Front view close up of a Caucasian teenage boy sitting at a desk in a school classroom looking out of the window, with classmates sitting at desks working in the background — Stock Photo
    Front view close up of a Caucasian teenage boy sitting at a desk in a school classroom looking out of the window, with classmates sitting at desks working in the background
    Group of students in class — Stock Photo
    Group of students in class
    Two teenage boys with skateboard and back pack hugging and laughing on the street — Stock Photo
    Two teenage boys with skateboard and back pack hugging and laughing on the street
    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
    Front view of a teenage African American female high school student reading to a multi-ethnic class of teenagers in a school classroom sitting at desks listening and concentrating, their male Caucasian teacher standing and listening in the background — Stock Photo
    Front view of a teenage African American female high school student reading to a multi-ethnic class of teenagers in a school classroom sitting at desks listening and concentrating, their male Caucasian teacher standing and listening in the background
    Portrait confident young male college student in library — Stock Photo
    Portrait confident young male college student in library
    Portrait confident junior high female students on steps — Stock Photo
    Portrait confident junior high female students on steps
    Side view of a multi-ethnic group of teenage male field hockey players training before a game, working out on a field hockey pitch, running on the spot on a sunny day — Stock Photo
    Side view of a multi-ethnic group of teenage male field hockey players training before a game, working out on a field hockey pitch, running on the spot on a sunny day
    Mature teacher explaining student — Stock Photo
    Mature teacher explaining student
    Eager junior high school students with hands raised in classroom — Stock Photo
    Eager junior high school students with hands raised in classroom
    Young female college student listening to classmate in classroom — Stock Photo
    Young female college student listening to classmate in classroom
    Empty running track and bleachers on sport stadium — Stock Photo
    Empty running track and bleachers on sport stadium
    Student finger painting in classroom — Stock Photo
    Student finger painting in classroom