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    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
    Portrait of smiling schoolgirls — Stock Photo
    Portrait of smiling schoolgirls
    Portrait of smiling, confident junior high school student studying at desk in classroom — Stock Photo
    Portrait of smiling, confident junior high school student studying at desk in classroom
    Junior high students discussing — Stock Photo
    Junior high students discussing
    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
    Front view of a teenage mixed-race boy in a school classroom sitting at desk, concentrating and using laptop computer, 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, concentrating and using laptop computer, with teenage male and female classmates sitting at desks working in the background
    Two handsome teenage boys with skateboard standing on the bridge — Stock Photo
    Two handsome teenage boys with skateboard standing on the bridge
    Student holding globe in classroom — Stock Photo
    Student holding globe in classroom
    Smiling female chemistry teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Smiling female chemistry teacher and students conducting scientific experiment in laboratory 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
    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
    Front view of a teenage Caucasian boy in a high school classroom sitting at desk, raising his hand to answer a question, with teenage male classmates sitting at desks working in the background — Stock Photo
    Front view of a teenage Caucasian boy in a high school classroom sitting at desk, raising his hand to answer a question, with teenage male classmates sitting at desks working in the background
    Student holding painting in class — Stock Photo
    Student holding painting in class
    Teacher talking with students in classroom — Stock Photo
    Teacher talking with students in classroom
    Mature teacher explaining student — Stock Photo
    Mature teacher explaining student
    Young college students studying together — Stock Photo
    Young college students studying together
    Front view of a multi-ethnic group of high school teenage male and female school pupils with schoolbags hanging out and talking, sitting on steps in their school grounds — Stock Photo
    Front view of a multi-ethnic group of high school teenage male and female school pupils with schoolbags hanging out and talking, sitting on steps in their school grounds
    Serious schoolboy sitting at desk — Stock Photo
    Serious schoolboy sitting at desk
    College students taking test at desks in classroom — Stock Photo
    College students taking test at desks in classroom
    High school students doing arts and crafts — Stock Photo
    High school students doing arts and crafts
    Focused college students studying in classroom — Stock Photo
    Focused college students studying in classroom
    Students writing their GCSE exam in classroom — Stock Photo
    Students writing their GCSE exam in classroom
    Junior high school students using virtual reality simulators in dark classroom — Stock Photo
    Junior high school students using virtual reality simulators in dark classroom
    College students talking in sunny corridor — Stock Photo
    College students talking in sunny corridor
    High school students talking and studying at table in classroom — Stock Photo
    High school students talking and studying at table in classroom
    Schoolgirl raising hand — Stock Photo
    Schoolgirl raising hand
    Teacher standing with student — Stock Photo
    Teacher standing with student
    Man sitting on lockers with female friend in university — Stock Photo
    Man sitting on lockers with female friend in university
    Portrait of a Caucasian teenage girl sitting at a desk in a school classroom writing in a notebook and looking to camera smiling, with classmates sitting at desks working in the background — Stock Photo
    Portrait of a Caucasian teenage girl sitting at a desk in a school classroom writing in a notebook and looking to camera smiling, with classmates sitting at desks working in the background
    University student using microscope — Stock Photo
    University student using microscope
    Front view of a teenage mixed-race boy in a school classroom sitting at desk, concentrating and reading, with teenage male and female classmates sitting at desks working around him — Stock Photo
    Front view of a teenage mixed-race boy in a school classroom sitting at desk, concentrating and reading, with teenage male and female classmates sitting at desks working around him
    Students studying in adult education classroom — Stock Photo
    Students studying in adult education classroom
    High angle view of a multi-ethnic group of teenage school pupils sitting and standing around a table in a classroom using laptop and tablet computers together at break time looking up to camera and smiling — Stock Photo
    High angle view of a multi-ethnic group of teenage school pupils sitting and standing around a table in a classroom using laptop and tablet computers together at break time looking up to camera and smiling
    Rear view of a multi-ethnic group of teenage male and female high school pupils in a classroom, working on computers and concentrating — Stock Photo
    Rear view of a multi-ethnic group of teenage male and female high school pupils in a classroom, working on computers and concentrating
    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
    Portrait close up of a Caucasian teenage boy with short blonde hair and blue eyes standing in a school classroom smiling to camera, with classmates talking in the background — Stock Photo
    Portrait close up of a Caucasian teenage boy with short blonde hair and blue eyes standing in a school classroom smiling to camera, with classmates talking in the background
    Mature teacher explaining student — Stock Photo
    Mature teacher explaining student
    Junior high students studying — Stock Photo
    Junior high students studying
    Front view of a Caucasian teenage girl and boy embracing and smiling at each other standing in their school grounds — Stock Photo
    Front view of a Caucasian teenage girl and boy embracing and smiling at each other standing in their school grounds
    High angle front 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 front 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
    Wniversity students discussing by whiteboard — Stock Photo
    Wniversity students discussing by whiteboard
    Female teacher and students examining DNA model in classroom — Stock Photo
    Female teacher and students examining DNA model in classroom
    Students examining liquid in test tube, conducting scientific experiment in laboratory classroom — Stock Photo
    Students examining liquid in test tube, conducting scientific experiment in laboratory classroom
    Portrait of confident schoolgirl — Stock Photo
    Portrait of confident schoolgirl
    Junior high students hanging out — Stock Photo
    Junior high students hanging out
    Female geography teacher with globe teaching lesson in classroom — Stock Photo
    Female geography teacher with globe teaching lesson in classroom
    Portrait close up of a Caucasian teenage boy with dark hair and grey eyes sitting at a desk in a school classroom wearing headphones and looking at of a window — Stock Photo
    Portrait close up of a Caucasian teenage boy with dark hair and grey eyes sitting at a desk in a school classroom wearing headphones and looking at of a window
    Female teacher and curious girl students examining molecular structure in laboratory classroom — Stock Photo
    Female teacher and curious girl students examining molecular structure in laboratory classroom
    Happy college students talking and studying in library — Stock Photo
    Happy college students talking and studying in library
    Science professor and college students using microscopes in science laboratory classroom — Stock Photo
    Science professor and college students using microscopes in science laboratory classroom
    Female students performing science experiment — Stock Photo
    Female students performing science experiment
    Male teacher and students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and students watching chemical reaction, conducting scientific experiment in laboratory classroom
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    Female science teacher and students in laboratory classroom — Stock Photo
    Female science teacher and students in laboratory classroom
    High school girl students with hands raised during lesson in classroom — Stock Photo
    High school girl students with hands raised during lesson in classroom
    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 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
    Portrait smiling college student using laptop — Stock Photo
    Portrait smiling college student using laptop
    Female teacher in hijab leading lesson, calling on students in classroom — Stock Photo
    Female teacher in hijab leading lesson, calling on students in classroom
    Male science teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Male science teacher and students conducting scientific experiment in laboratory classroom