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    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
    Smiling students using digital tablet in classroom — Stock Photo
    Smiling students using digital tablet in classroom
    Junior high school boy students using digital tablets at desk in classroom — Stock Photo
    Junior high school boy students using digital tablets at desk in classroom
    Smiling boy wearing goggles and lab coat in laboratory classroom — Stock Photo
    Smiling boy wearing goggles and lab coat in laboratory classroom
    Female college students practicing chemistry experiment in lab — Stock Photo
    Female college students practicing chemistry experiment in lab
    Students writing their GCSE exam in classroom — Stock Photo
    Students writing their GCSE exam in classroom
    Students researching at computers in library — Stock Photo
    Students researching at computers in library
    Smiling junior high girl student with braces — Stock Photo
    Smiling junior high girl student with braces
    Junior high school students enjoying lesson at desks in classroom — Stock Photo
    Junior high school students enjoying lesson at desks in classroom
    Teenage girl using laptop computer while sitting in classroom — Stock Photo
    Teenage girl using laptop computer while sitting in classroom
    Front view of a multi-ethnic group of male and female teenager students sitting on a wall talking and using tablet computers in their school grounds — Stock Photo
    Front view of a multi-ethnic group of male and female teenager students sitting on a wall talking and using tablet computers in their school grounds
    Portrait confident girl student using computer in library — Stock Photo
    Portrait confident girl student using computer in library
    Side view mid section of musician teenage girl sitting by a window in a shadow and playing a ukulele — Stock Photo
    Side view mid section of musician teenage girl sitting by a window in a shadow and playing a ukulele
    High school students studying at tables in classroom — Stock Photo
    High school students studying at tables in classroom
    University students sitting at table during exam in classroom — Stock Photo
    University students sitting at table during exam in classroom
    Female university student studying at desk in classroom — Stock Photo
    Female university student studying at desk 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
    Tables in empty classroom — Stock Photo
    Tables in empty classroom
    Side view of a mixed race teenage boy and African American teenage 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 of a mixed race teenage boy and African American teenage girl high school student sitting on chairs in an empty school theatre preparing before a performance, holding scripts and rehearsing together
    Male teacher relaxing in classroom at school — Stock Photo
    Male teacher relaxing in classroom at school
    Portrait close up of a Caucasian teenage boy with short dark hair and grey 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 dark hair and grey eyes standing in a school classroom smiling to camera, with classmates talking in the background
    Students using computer in classroom — Stock Photo
    Students using computer in classroom
    Junior high school girl student with hand raised in classroom — Stock Photo
    Junior high school girl student with hand raised in classroom
    Schoolkids looking at world map in classroom at school — Stock Photo
    Schoolkids looking at world map in classroom at school
    Teenage girl showing tablet computer to friend while standing in library — Stock Photo
    Teenage girl showing tablet computer to friend while standing in library
    Rear view of a multi-ethnic group of male and female teenage students with schoolbags walking between buildings in their school grounds — Stock Photo
    Rear view of a multi-ethnic group of male and female teenage students with schoolbags walking between buildings in their school grounds
    Smiling female students studying at desk in classroom — Stock Photo
    Smiling female students studying at desk in classroom
    Smiling male science teacher helping girl students conducting scientific experiment at microscope in laboratory — Stock Photo
    Smiling male science teacher helping girl students conducting scientific experiment at microscope in laboratory
    Side view of a teenage African American girl in a high school classroom sitting on a desk, concentrating and writing, with teenage male and female classmates sitting at desks working in the background — Stock Photo
    Side view of a teenage African American girl in a high school classroom sitting on a desk, concentrating and writing, with teenage male and female classmates sitting at desks working in the background
    Side view of a Caucasian male high school teacher, standing and talking with a multi-ethnic group of female high school students in a school classroom sitting at a desk — Stock Photo
    Side view of a Caucasian male high school teacher, standing and talking with a multi-ethnic group of female high school students in a school classroom sitting at a desk
    Teenage girls reading book while standing in library seen through glass — Stock Photo
    Teenage girls reading book while standing in library seen through glass
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    Portrait confident african american boy playing basketball in schoolyard — Stock Photo
    Portrait confident african american boy playing basketball in schoolyard
    Junior high school boy student doing homework in classroom — Stock Photo
    Junior high school boy student doing homework in classroom
    Schoolkids walking in school campus on a sunny day — Stock Photo
    Schoolkids walking in school campus on a sunny day
    Female student holding equipment while practicing experiment in laboratory — Stock Photo
    Female student holding equipment while practicing experiment in laboratory
    Curious students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Curious students watching chemical reaction, conducting scientific experiment in laboratory classroom
    Junior high school students studying in classroom — Stock Photo
    Junior high school students studying in classroom
    Portrait confident high school students on stair landing — Stock Photo
    Portrait confident high school students on stair landing
    Male teacher teaching students in the class at school — Stock Photo
    Male teacher teaching students in the class at school
    Schoolkids studying in the classroom at school — Stock Photo
    Schoolkids studying in the classroom at school
    Front view of a multi-ethnic group of teenage female high school pupils with schoolbags hanging out, talking and looking at a smartphone together, sitting on steps in their school grounds — Stock Photo
    Front view of a multi-ethnic group of teenage female high school pupils with schoolbags hanging out, talking and looking at a smartphone together, sitting on steps in their school grounds
    Male teacher and boy student conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and boy student conducting scientific experiment in laboratory classroom
    Portrait smiling, confident male teacher in classroom — Stock Photo
    Portrait smiling, confident male teacher in classroom
    Junior high boy students walking in library — Stock Photo
    Junior high boy students walking in library
    Front view of a multi-ethnic group of teenagers in discussion, holding scripts and smiling in the auditorium of an empty school theatre during rehearsals for a performance — Stock Photo
    Front view of a multi-ethnic group of teenagers in discussion, holding scripts and smiling in the auditorium of an empty school theatre during rehearsals for a performance
    Side view close up of two Caucasian teenage girls with long dark hair sitting in front of a window playing a flute and a ukulele — Stock Photo
    Side view close up of two Caucasian teenage girls with long dark hair sitting in front of a window playing a flute and a ukulele
    Portrait confident male high school teacher in classroom — Stock Photo
    Portrait confident male high school teacher in classroom
    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 girl students walking in library — Stock Photo
    Junior high girl students walking in library
    Side view of teenage girl reading book while sitting by shelf in library — Stock Photo
    Side view of teenage girl reading book while sitting by shelf in library
    Curious girl student holding molecule model in classroom — Stock Photo
    Curious girl student holding molecule model in classroom
    Side view of a Caucasian male high school teacher sitting on a chair on the stage in an empty school theatre during rehearsals for a performance, preparing a multi-ethnic group of teenager high school students for a performance — Stock Photo
    Side view of a Caucasian male high school teacher sitting on a chair on the stage in an empty school theatre during rehearsals for a performance, preparing a multi-ethnic group of teenager high school students for a performance
    Teenage student using machinery in laboratory at college — Stock Photo
    Teenage student using machinery in laboratory at college
    High school girls talking on stairs — Stock Photo
    High school girls talking on stairs
    Male teacher and students researching at laptop in library — Stock Photo
    Male teacher and students researching at laptop in library
    Schoolkids studying in the classroom at school — Stock Photo
    Schoolkids studying in the classroom at school
    Side view of two Caucasian teenage girls with long dark hair sitting in front of a window playing a flute and a ukulele and looking to camera — Stock Photo
    Side view of two Caucasian teenage girls with long dark hair sitting in front of a window playing a flute and a ukulele and looking to camera
    Young students practicing chemistry experiment in lab — Stock Photo
    Young students practicing chemistry experiment in lab
    Young college students practicing chemistry experiment in lab — Stock Photo
    Young college students practicing chemistry experiment in lab