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    Students watching geography teacher at projection screen in dark classroom — Stock Photo
    Students watching geography teacher at projection screen in dark 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 of teenage Caucasian female high school student with long blonde hair wearing a cap and gown, holding a diploma and looking to camera and smiling on her graduation day — Stock Photo
    Portrait of teenage Caucasian female high school student with long blonde hair wearing a cap and gown, holding a diploma and looking to camera and smiling on her graduation day
    Side view of a multi-ethnic group of teenage pupils sitting at desks in class studying at school with a Caucasian male teacher standing and talking to one Caucasian girl at her desk — Stock Photo
    Side view of a multi-ethnic group of teenage pupils sitting at desks in class studying at school with a Caucasian male teacher standing and talking to one Caucasian girl at her desk
    Focused young male basketball player shooting free throw — Stock Photo
    Focused young male basketball player shooting free throw
    Teacher watching student writing — Stock Photo
    Teacher watching student writing
    Teenagers playing pool at school — Stock Photo
    Teenagers playing pool at school
    Happy high school girl students studying in corridor — Stock Photo
    Happy high school girl students studying in corridor
    Students sitting on lecture with teacher in classroom — Stock Photo
    Students sitting on lecture with teacher in classroom
    College students talking and walking in corridor — Stock Photo
    College students talking and walking in corridor
    Portrait smiling, confident junior high school girl studying in classroom — Stock Photo
    Portrait smiling, confident junior high school girl studying in classroom
    Teacher and students reading in classroom — Stock Photo
    Teacher and students reading in classroom
    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
    Portrait enthusiastic female high school student in corridor — Stock Photo
    Portrait enthusiastic female high school student in corridor
    High school boy student with backpack leaving classroom — Stock Photo
    High school boy student with backpack leaving classroom
    Front view of a multi-ethnic group of teenage pupils sitting at desks in class studying at school with a Caucasian male teacher standing and talking to one Caucasian boy at his desk — Stock Photo
    Front view of a multi-ethnic group of teenage pupils sitting at desks in class studying at school with a Caucasian male teacher standing and talking to one Caucasian boy at his desk
    Front view of a multi-ethnic group of teenage male and female high school students with schoolbags hanging out, standing and hand stacking in their school grounds — Stock Photo
    Front view of a multi-ethnic group of teenage male and female high school students with schoolbags hanging out, standing and hand stacking in their school grounds
    Focused high school girl student taking exam at desk in classroom — Stock Photo
    Focused high school girl student taking exam at desk 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
    Boy drawing bar graph — Stock Photo
    Boy drawing bar graph
    Side view low section of male field hockey player in action on the pitch, preparing to hit a ball from the middle line on a sunny day, backlit — Stock Photo
    Side view low section of male field hockey player in action on the pitch, preparing to hit a ball from the middle line on a sunny day, backlit
    Sleeping teenage boy — Stock Photo
    Sleeping teenage boy
    Girl student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student using microscope, conducting scientific experiment in laboratory classroom
    Side view of a Caucasian sad teenage girl sitting on the ground alone in a schoolyard in a high school — Stock Photo
    Side view of a Caucasian sad teenage girl sitting on the ground alone in a schoolyard in a high school
    Side view of two teenage Caucasian male field hockey players from opposing teams in action on the pitch during a hockey game on a sunny day — Stock Photo
    Side view of two teenage Caucasian male field hockey players from opposing teams in action on the pitch during a hockey game 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
    Girl students conducting chemistry experiment in classroom laboratory — Stock Photo
    Girl students conducting chemistry experiment in classroom laboratory
    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
    Curious girl student examining molecular structure — Stock Photo
    Curious girl student examining molecular structure
    Happy schoolgirls sitting at desk — Stock Photo
    Happy schoolgirls sitting at desk
    Boys Cover their Noses to avoid the Sulphur Smell at Great Salt Lake. — Stock Photo
    Boys Cover their Noses to avoid the Sulphur Smell at Great Salt Lake.
    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
    Portrait of smiling, confident junior high school student using digital tablet in classroom — Stock Photo
    Portrait of smiling, confident junior high school student using digital tablet in classroom
    Teacher talking to high school students sitting in common room — Stock Photo
    Teacher talking to high school students sitting in common room
    Portrait of two cheerful female students sitting on steps with arms around — Stock Photo
    Portrait of two cheerful female students sitting on steps with arms around
    Happy college students talking and studying in library — Stock Photo
    Happy college students talking and studying in library
    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
    Pens and index cards on desks in empty classroom — Stock Photo
    Pens and index cards on desks in empty classroom
    Side view of a Caucasian teenage girl playing a violin at a school band practice, with a saxophonist playing in the background — Stock Photo
    Side view of a Caucasian teenage girl playing a violin at a school band practice, with a saxophonist playing in the background
    Mature female professor teaching students — Stock Photo
    Mature female professor teaching students
    Close up focused, attentive high school girl student listening in classroom — Stock Photo
    Close up focused, attentive high school girl student listening in classroom
    Smiling boy student assembling DNA model in classroom — Stock Photo
    Smiling boy student assembling DNA model in classroom
    Focused high school girl student taking exam at desk — Stock Photo
    Focused high school girl student taking exam at desk
    Male teacher helping girl student at microscope in laboratory classroom — Stock Photo
    Male teacher helping girl student at microscope in laboratory classroom
    Low angle close up of a group of female Caucasian field hockey players and their Caucasian male coach, preparing before a game, huddling, hands stacking, on a sunny day — Stock Photo
    Low angle close up of a group of female Caucasian field hockey players and their Caucasian male coach, preparing before a game, huddling, hands stacking, on a sunny day
    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
    Side view close up of a Caucasian female field hockey players, preparing before a game, standing in a changing room, wearing a hockey helmet, with her teammates standing in a row behind her — Stock Photo
    Side view close up of a Caucasian female field hockey players, preparing before a game, standing in a changing room, wearing a hockey helmet, with her teammates standing in a row behind her
    Side view of a Caucasian male field hockey coach interacting with a group of female Caucasian field hockey players, sitting in a changing room, showing them a game plan — Stock Photo
    Side view of a Caucasian male field hockey coach interacting with a group of female Caucasian field hockey players, sitting in a changing room, showing them a game plan
    Boy student examining DNA model in laboratory classroom — Stock Photo
    Boy student examining DNA model in laboratory classroom
    Girl writing in book — Stock Photo
    Girl writing in book
    College students talking and walking in corridor — Stock Photo
    College students talking and walking in corridor
    Mixed race girl walking on a cactus trail with her long hair flying. — Stock Photo
    Mixed race girl walking on a cactus trail with her long hair flying.
    Front view of a multi-ethnic team of teenage male field hockey players preparing before a game, standing on the pitch in a row, wearing their team strip, with their hands behind their backs, looking to camera on a sunny day — Stock Photo
    Front view of a multi-ethnic team of teenage male field hockey players preparing before a game, standing on the pitch in a row, wearing their team strip, with their hands behind their backs, looking to camera on a sunny day
    Female friends using smart phone in park — Stock Photo
    Female friends using smart phone in park
    Portrait enthusiastic junior high students and teachers cheering with arms raised — Stock Photo
    Portrait enthusiastic junior high students and teachers cheering with arms raised
    Portrait confident teenage girl wearing hijab — Stock Photo
    Portrait confident teenage girl wearing hijab
    Side view of two Caucasian teenage girls with long dark hair sitting in front of a window holding a flute and a ukulele looking at each other and smiling — Stock Photo
    Side view of two Caucasian teenage girls with long dark hair sitting in front of a window holding a flute and a ukulele looking at each other and smiling
    Mature teacher explaining students — Stock Photo
    Mature teacher explaining students
    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
    Boy playing guitar — Stock Photo
    Boy playing guitar