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    View from above high school students finishing exam at desks — Stock Photo
    View from above high school students finishing exam at desks
    Side view of a multi-ethnic group of male field hokey players and a Caucasian male field hokey coach, preparing before a game, huddling, interacting on a sunny day — Stock Photo
    Side view of a multi-ethnic group of male field hokey players and a Caucasian male field hokey coach, preparing before a game, huddling, interacting on a sunny day
    Front view of a Caucasian teenage girl sitting in a classroom playing a violin at a school band practice, with other teenage musicians sitting in the foreground — Stock Photo
    Front view of a Caucasian teenage girl sitting in a classroom playing a violin at a school band practice, with other teenage musicians sitting in the foreground
    Front view of a multi-ethnic group of teenage male field hockey players preparing before a game, in a huddle on the pitch, interacting on a sunny day — Stock Photo
    Front view of a multi-ethnic group of teenage male field hockey players preparing before a game, in a huddle on the pitch, interacting on a sunny day
    Curious, smiling students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Curious, smiling students watching chemical reaction, conducting scientific experiment in laboratory classroom
    Rear view of a Caucasian woman conductor directing 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
    Rear view of a Caucasian woman conductor directing 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 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
    Curious boy examining DNA model in classroom — Stock Photo
    Curious boy examining DNA model in classroom
    Close up focused young male basketball player shooting free throw — Stock Photo
    Close up focused young male basketball player shooting free throw
    Smiling junior high school students listening in classroom lesson — Stock Photo
    Smiling junior high school students listening in classroom lesson
    Junior high students talking — Stock Photo
    Junior high students talking
    Junior high girl students entering library — Stock Photo
    Junior high girl students entering library
    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
    Female friends talking in locker room — Stock Photo
    Female friends talking in locker room
    Girl drawing bar graph — Stock Photo
    Girl drawing bar graph
    Pensive girl student conducting science experiment in classroom laboratory — Stock Photo
    Pensive girl student conducting science experiment in classroom laboratory
    Young women friends in hijabs talking outside sunny building — Stock Photo
    Young women friends in hijabs talking outside sunny building
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    High school teacher supervising students taking exam in classroom — Stock Photo
    High school teacher supervising students taking exam in classroom
    Portrait of confident junior high school student leaving classroom — Stock Photo
    Portrait of confident junior high school student leaving classroom
    Asian mother and daughter touching a cactus. — Stock Photo
    Asian mother and daughter touching a cactus.
    Mature teacher explaining students — Stock Photo
    Mature teacher explaining students
    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
    Teacher helping junior high students using computer in computer lab — Stock Photo
    Teacher helping junior high students using computer in computer lab
    Side view of a group of female Caucasian field hockey players, preparing before a game, huddling, interacting, motivating, bending down, on a sunny day — Stock Photo
    Side view of a group of female Caucasian field hockey players, preparing before a game, huddling, interacting, motivating, bending down, on a sunny day
    Side view of a Caucasian female field hockey player, during a field hockey game, executing a penalty kick, with a goal protected by a goalkeeper in the background, on a sunny day — Stock Photo
    Side view of a Caucasian female field hockey player, during a field hockey game, executing a penalty kick, with a goal protected by a goalkeeper in the background, on a sunny day
    Professor collecting test from students in classroom — Stock Photo
    Professor collecting test from students in classroom
    Student holding painted fish in classroom — Stock Photo
    Student holding painted fish in classroom
    Focused high school girl student taking exam at desk in classroom — Stock Photo
    Focused high school girl student taking exam at desk in classroom
    Phases of chocolate cooking — Stock Photo
    Phases of chocolate cooking
    Portrait confident student in adult education classroom — Stock Photo
    Portrait confident student in adult education classroom
    Mixed race family of four walking on a cactus trail. — Stock Photo
    Mixed race family of four walking on a cactus trail.
    Portrait of confident, smiling junior high student — Stock Photo
    Portrait of confident, smiling junior high student
    Portrait close up of a Caucasian musician teenage girl sitting by a window playing the violin in a high school — Stock Photo
    Portrait close up of a Caucasian musician teenage girl sitting by a window playing the violin in a high school
    Front view mid section of female and male high school student couple hanging out and holding hands, standing in their school playing field — Stock Photo
    Front view mid section of female and male high school student couple hanging out and holding hands, standing in their school playing field
    Focused high school girl students taking exam at desks in classroom — Stock Photo
    Focused high school girl students taking exam at desks in classroom
    Middle Schooler boy applying grip tape to his skateboard. — Stock Photo
    Middle Schooler boy applying grip tape to his skateboard.
    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
    Focused college students studying together in classroom — Stock Photo
    Focused college students studying together in classroom
    Mother hugging son in front of a big cactus with back light sun. — Stock Photo
    Mother hugging son in front of a big cactus with back light sun.
    Junior high students talking in library — Stock Photo
    Junior high students talking in library
    High school students studying at tables in classroom — Stock Photo
    High school students studying at tables in classroom
    Portrait confident young male college student in corridor — Stock Photo
    Portrait confident young male college student in corridor
    Aerial view of Wuming Buddhist College at night of Seda County, Sichuan province, China — Stock Photo
    Aerial view of Wuming Buddhist College at night of Seda County, Sichuan province, China
    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
    Mother with arm around teen daughter smiling and looking at tablet — Stock Photo
    Mother with arm around teen daughter smiling and looking at tablet
    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
    Portrait smiling, confident male teacher in classroom — Stock Photo
    Portrait smiling, confident male teacher 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
    Happy young male basketball players hugging and celebrating after victory — Stock Photo
    Happy young male basketball players hugging and celebrating after victory
    Female teacher and students examining DNA model in classroom — Stock Photo
    Female teacher and students examining DNA model in classroom
    Student showing off drawings in classroom — Stock Photo
    Student showing off drawings in classroom
    Overhead view high school students taking exam at desks in classroom — Stock Photo
    Overhead view high school students taking exam at desks in classroom
    High school teacher supervising students taking exam at desks — Stock Photo
    High school teacher supervising students taking exam at desks
    Junior high school students doing homework at desks in classroom — Stock Photo
    Junior high school students doing homework at desks in classroom
    Two handsome teenage boys with skateboard standing on the bridge — Stock Photo
    Two handsome teenage boys with skateboard standing on the bridge
    Close-up of white ceramic pots with selection of paintbrushes in various sizes. — Stock Photo
    Close-up of white ceramic pots with selection of paintbrushes in various sizes.
    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
    Focused high school girl student studying in classroom — Stock Photo
    Focused high school girl student studying in classroom
    Curious boy examining molecule model in laboratory classroom — Stock Photo
    Curious boy examining molecule model in laboratory classroom