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    Mature female professor teaching students — Stock Photo
    Mature female professor teaching students
    Side view of a Caucasian teenage male high school student and a Caucasian male teacher standing on the stage in an empty school theatre preparing before a performance, holding scripts and practicing together, backlit by spotlights — Stock Photo
    Side view of a Caucasian teenage male high school student and a Caucasian male teacher standing on the stage in an empty school theatre preparing before a performance, holding scripts and practicing together, backlit by spotlights
    Front view of a multi-ethnic group of teenage school pupils and their Caucasian male teacher standing in a classroom looking at laptop computers together, the pupils listening while the teacher talks — Stock Photo
    Front view of a multi-ethnic group of teenage school pupils and their Caucasian male teacher standing in a classroom looking at laptop computers together, the pupils listening while the teacher talks
    Smiling high school girl student clapping in classroom — Stock Photo
    Smiling high school girl student clapping in classroom
    View from above kids playing at interactive exhibit in science center — Stock Photo
    View from above kids playing at interactive exhibit in science center
    Portrait confident young male basketball player holding basketball on court — Stock Photo
    Portrait confident young male basketball player holding basketball on court
    Cropped view of hands of man writing in book with female classmate in background — Stock Photo
    Cropped view of hands of man writing in book with female classmate in background
    Side view low section of female field hockey player, during a field hockey game, shooting a ball, holding a hockey stick, with her teammates and opponents in the background, on a sunny day — Stock Photo
    Side view low section of female field hockey player, during a field hockey game, shooting a ball, holding a hockey stick, with her teammates and opponents in the background, on a sunny day
    Portrait confident young male college student in shop class — Stock Photo
    Portrait confident young male college student in shop class
    Teacher helping junior high students using computers in library — Stock Photo
    Teacher helping junior high students using computers in library
    Side view of a mixed race male field hockey player, training on a field hockey pitch before a game, kneeling and trying to hit a ball with a hockey stick, with his teammates in the background on a sunny day — Stock Photo
    Side view of a mixed race male field hockey player, training on a field hockey pitch before a game, kneeling and trying to hit a ball with a hockey stick, with his teammates in the background on a sunny day
    Two students standing with coffee by railing in front of lockers — Stock Photo
    Two students standing with coffee by railing in front of lockers
    Students putting books in drawe — Stock Photo
    Students putting books in drawe
    Happy young male college students studying and talking in classroom — Stock Photo
    Happy young male college students studying and talking in classroom
    Female geography teacher with globe teaching lesson in classroom — Stock Photo
    Female geography teacher with globe teaching lesson in classroom
    Smiling girl conducting scientific experiment in laboratory classroom — Stock Photo
    Smiling girl conducting scientific experiment in laboratory classroom
    Front view of a multi-ethnic group of teenage school pupils and their Caucasian male teacher standing in a classroom looking at laptop computers together, the pupils listening while the teacher talks — Stock Photo
    Front view of a multi-ethnic group of teenage school pupils and their Caucasian male teacher standing in a classroom looking at laptop computers together, the pupils listening while the teacher talks
    Portrait of smiling, confident junior high school students studying in classroom — Stock Photo
    Portrait of smiling, confident junior high school students studying in classroom
    Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom — Stock Photo
    Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom
    Girl student holding molecular structure at microscope in laboratory classroom — Stock Photo
    Girl student holding molecular structure at microscope in laboratory classroom
    Side view of a teenage Caucasian male field hockey player, preparing to hit a ball on the pitch during a hockey game between two multi-ethnic teenage male teams, on a sunny day — Stock Photo
    Side view of a teenage Caucasian male field hockey player, preparing to hit a ball on the pitch during a hockey game between two multi-ethnic teenage male teams, on a sunny day
    A mother and daughter laugh while looking at a tablet together — Stock Photo
    A mother and daughter laugh while looking at a tablet together
    Rear view of a multi-ethnic group of teenage male and female school pupils with schoolbags hanging out, walking in their high school grounds — Stock Photo
    Rear view of a multi-ethnic group of teenage male and female school pupils with schoolbags hanging out, walking in their high school grounds
    Girl drawing bar graph — Stock Photo
    Girl drawing bar graph
    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
    Girl drawing bar graph — Stock Photo
    Girl drawing bar graph
    Playful happy college student friends digital tablet selfie park — Stock Photo
    Playful happy college student friends digital tablet selfie park
    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
    Asian mother kissing pre-teen daughter on the cheek. — Stock Photo
    Asian mother kissing pre-teen daughter on the cheek.
    Focused high school girl student taking exam at desk — Stock Photo
    Focused high school girl student taking exam at desk
    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
    Mature teacher explaining student — Stock Photo
    Mature teacher explaining student
    Surprised students conducting scientific experiment, watching chemical reaction in classroom laboratory — Stock Photo
    Surprised students conducting scientific experiment, watching chemical reaction in classroom laboratory
    High school students clapping for teacher in debate class — Stock Photo
    High school students clapping for teacher in debate class
    Happy female teenage student standing and holding books — Stock Photo
    Happy female teenage student standing and holding books
    Portrait smiling, confident young male basketball player team in red jerseys — Stock Photo
    Portrait smiling, confident young male basketball player team in red jerseys
    High school girl students studying in classroom — Stock Photo
    High school girl students studying in classroom
    Girl students conducting chemistry experiment in classroom laboratory — Stock Photo
    Girl students conducting chemistry experiment in classroom laboratory
    Focused junior high boy student using computer in computer lab — Stock Photo
    Focused junior high boy student using computer in computer lab
    Female high school teacher helping girl student doing homework in classroom — Stock Photo
    Female high school teacher helping girl student doing homework in classroom
    Teenagers and teacher talking in community center — Stock Photo
    Teenagers and teacher talking in community center
    Happy high school students and teacher clapping in debate class — Stock Photo
    Happy high school students and teacher clapping in debate class
    Student with professor teaching in background — Stock Photo
    Student with professor teaching in background
    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
    High school teacher supervising students taking exam desks classroom — Stock Photo
    High school teacher supervising students taking exam desks classroom
    Junior high school student using digital tablet in classroom — Stock Photo
    Junior high school student using digital tablet in classroom
    Children painting in class indoors — Stock Photo
    Children painting in class indoors
    Junior high students studying — Stock Photo
    Junior high students studying
    Brother and sister playing tag at a cactus garden. — Stock Photo
    Brother and sister playing tag at a cactus garden.
    Young students studying in classroom — Stock Photo
    Young students studying in classroom
    Teacher and student sitting together with laptop and tablet — Stock Photo
    Teacher and student sitting together with laptop and tablet
    Smiling college students talking in corridor — Stock Photo
    Smiling college students talking in corridor
    Focused high school boy student taking exam at desk in classroom — Stock Photo
    Focused high school boy student taking exam at desk in classroom
    Junior high students talking — Stock Photo
    Junior high students talking
    College students talking and studying in classroom — Stock Photo
    College students talking and studying in classroom
    Front view close up of a Caucasian teenage boy sitting at a desk in a school classroom writing in a notebook, with a classmate sitting at a desk in the background — Stock Photo
    Front view close up of a Caucasian teenage boy sitting at a desk in a school classroom writing in a notebook, with a classmate sitting at a desk in the background
    Portrait of thoughtful female student holding book standing against gray wall — Stock Photo
    Portrait of thoughtful female student holding book standing against gray wall
    Happy, confident high school girl student studying in classroom — Stock Photo
    Happy, confident high school girl student studying in classroom
    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
    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