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    Teenagers and teacher talking in community center — Stock Photo
    Teenagers and teacher talking in community center
    High school girl students talking at table in classroom during lesson — Stock Photo
    High school girl students talking at table in classroom during lesson
    Front view of a Caucasian male high school teacher, standing and talking with a teenage Caucasian girl in a school classroom sitting at desk, with teenage classmates sitting at desks working in the background — Stock Photo
    Front view of a Caucasian male high school teacher, standing and talking with a teenage Caucasian girl in a school classroom sitting at desk, with teenage classmates sitting at desks working in the background
    Portrait of smiling, confident junior high school girl writing in notebook in classroom — Stock Photo
    Portrait of smiling, confident junior high school girl writing in notebook in classroom
    Male teacher helping girl student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher helping girl student using microscope, conducting scientific experiment in laboratory classroom
    Front view of a group of female Caucasian field hockey players training before a game, standing on a hockey pitch, resting, on a sunny day — Stock Photo
    Front view of a group of female Caucasian field hockey players training before a game, standing on a hockey pitch, resting, on a sunny day
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    Female college student using microscope while practicing experiment in lab — Stock Photo
    Female college student using microscope while practicing experiment in lab
    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
    Teenage girl being interviewed for vlog — Stock Photo
    Teenage girl being interviewed for vlog
    Low angle side view of a group of female Caucasian field hockey players training before a game, running on a stand up and down, on a sunny day — Stock Photo
    Low angle side view of a group of female Caucasian field hockey players training before a game, running on a stand up and down, on a sunny day
    Close up of male student practicing experiment in lab — Stock Photo
    Close up of male student practicing experiment in lab
    France, French Basque Country, Pyrenees-Atlantiques, Saint Jean de Luz, closeup of fishing nets — Stock Photo
    France, French Basque Country, Pyrenees-Atlantiques, Saint Jean de Luz, closeup of fishing nets
    Schoolboy explaining about world map in classroom at school — Stock Photo
    Schoolboy explaining about world map in classroom at school
    Junior high students leaving school building, descending steps — Stock Photo
    Junior high students leaving school building, descending steps
    Portrait smiling high school girl in stairway — Stock Photo
    Portrait smiling high school girl in stairway
    Male teacher and students researching at laptop in library — Stock Photo
    Male teacher and students researching at laptop in library
    Female teacher and girl students examining molecular structure in classroom — Stock Photo
    Female teacher and girl students examining molecular structure in classroom
    Female body with cancer metastasis in abdomen, conceptual computer illustration. — Stock Photo
    Female body with cancer metastasis in abdomen, conceptual computer illustration.
    Smiling boy student assembling DNA model in classroom — Stock Photo
    Smiling boy student assembling DNA model in classroom
    Side view of a teenage Caucasian male field hockey player, training on the hockey pitch before a game, preparing to hit the ball with a hockey stick, with his teammates and coach in the background on a sunny day — Stock Photo
    Side view of a teenage Caucasian male field hockey player, training on the hockey pitch before a game, preparing to hit the ball with a hockey stick, with his teammates and coach in the background on a sunny day
    Smiling teenage girl being interviewed for vlog — Stock Photo
    Smiling teenage girl being interviewed for vlog
    Schoolboy writing on chalkboard in classroom at school — Stock Photo
    Schoolboy writing on chalkboard in classroom at school
    Students studying in the class at school — Stock Photo
    Students studying in the class at school
    Front view mid section of musician teenage boy with yellow t-shirt sitting and playing an acoustic guitar in a high school — Stock Photo
    Front view mid section of musician teenage boy with yellow t-shirt sitting and playing an acoustic guitar in a high school
    Students researching, using digital tablet at table in library — Stock Photo
    Students researching, using digital tablet at table in library
    Side view of a group of female Caucasian field hockey players and their Caucasian field hockey coach, training before a game, working out on a field hockey pitch, exercising, doing sit ups, on a sunny day — Stock Photo
    Side view of a group of female Caucasian field hockey players and their Caucasian field hockey coach, training before a game, working out on a field hockey pitch, exercising, doing sit ups, on a sunny day
    Teenage girl showing tablet computer to friend while standing in library — Stock Photo
    Teenage girl showing tablet computer to friend while standing in library
    France, Northern France, Pas de Calais, inland between Calais, Dunkerque and St-Omer. — Stock Photo
    France, Northern France, Pas de Calais, inland between Calais, Dunkerque and St-Omer.
    Junior high students using computer in library — Stock Photo
    Junior high students using computer in library
    Front view of a Caucasian female and male high school student couple hanging out, standing in their school grounds, the boy piggybacking the girl — Stock Photo
    Front view of a Caucasian female and male high school student couple hanging out, standing in their school grounds, the boy piggybacking the girl
    Portrait close up of a confident mixed race male field hockey player, wearing a red team strip, standing on a hockey pitch looking to camera on a sunny day — Stock Photo
    Portrait close up of a confident mixed race male field hockey player, wearing a red team strip, standing on a hockey pitch looking to camera on a sunny day
    Rear view of a multi-ethnic group of teenage male field hockey players, training before a game, working out on a field hockey pitch, sprinting on a sunny day — Stock Photo
    Rear view of a multi-ethnic group of teenage male field hockey players, training before a game, working out on a field hockey pitch, sprinting on a sunny day
    Central Asia, Kyrgyzstan, Issyk Kul Province (Ysyk-K?l), Juuku valley, the shepherd Gengibek Makanbietov leads his 24 horses in the mountains pasture — Stock Photo
    Central Asia, Kyrgyzstan, Issyk Kul Province (Ysyk-K?l), Juuku valley, the shepherd Gengibek Makanbietov leads his 24 horses in the mountains pasture
    Thoughtful schoolkid sitting in the classroom at school — Stock Photo
    Thoughtful schoolkid sitting in the classroom at school
    Junior high school students pointing at globe in geography teacher hands — Stock Photo
    Junior high school students pointing at globe in geography teacher hands
    Side view of a Caucasian female field hockey player preparing before a game, sitting in a changing room, holding a hockey helmet — Stock Photo
    Side view of a Caucasian female field hockey player preparing before a game, sitting in a changing room, holding a hockey helmet
    Side view of a multi-ethnic group of teenage male field hockey players and their Caucasian male field hockey coach, training before a game, working out on a field hockey pitch, doing sit ups with partners holding legs, on a sunny day — Stock Photo
    Side view of a multi-ethnic group of teenage male field hockey players and their Caucasian male field hockey coach, training before a game, working out on a field hockey pitch, doing sit ups with partners holding legs, on a sunny day
    Front view of a group of female Caucasian field hockey players, training before a game, working out on a field hockey pitch, doing push ups, with their coach in the foreground, on a sunny day — Stock Photo
    Front view of a group of female Caucasian field hockey players, training before a game, working out on a field hockey pitch, doing push ups, with their coach in the foreground, on a sunny day
    Girl students conducting chemistry experiment in classroom laboratory — Stock Photo
    Girl students conducting chemistry experiment in classroom laboratory
    Schoolgirl standing near chalkboard in classroom at school — Stock Photo
    Schoolgirl standing near chalkboard in classroom at school
    Portrait of smiling, confident junior high student carrying books — Stock Photo
    Portrait of smiling, confident junior high student carrying books
    Schoolkids using globe in classroom at school — Stock Photo
    Schoolkids using globe in classroom at school
    France, Southern France, Vileveyrac, Cistercian abbey of Holy Mary of Valmagne, 13th century, gothic style, nave turned into a wine storehouse after the Revolution — Stock Photo
    France, Southern France, Vileveyrac, Cistercian abbey of Holy Mary of Valmagne, 13th century, gothic style, nave turned into a wine storehouse after the Revolution
    Portrait confident high school students on stair landing — Stock Photo
    Portrait confident high school students on stair landing
    Rear view of a teenage multi-ethnic group of male field hockey players, preparing before a game, walking from the changing room to the pitch, backlit — Stock Photo
    Rear view of a teenage multi-ethnic group of male field hockey players, preparing before a game, walking from the changing room to the pitch, backlit
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    Male teacher leading lesson at touch screen in classroom — Stock Photo
    Male teacher leading lesson at touch screen in classroom
    Side view of a Caucasian female field hockey players, after a field hockey game, kneeling, leaning her head on a hockey stick with disappointment, with her teammates in the background, on a sunny day — Stock Photo
    Side view of a Caucasian female field hockey players, after a field hockey game, kneeling, leaning her head on a hockey stick with disappointment, with her teammates in the background, on a sunny day
    Side view of a teenage Caucasian boy and a teenage African American girl in a high school classroom sitting at desks, working together and reading, with teenage classmates sitting at desks working in the background — Stock Photo
    Side view of a teenage Caucasian boy and a teenage African American girl in a high school classroom sitting at desks, working together and reading, with teenage classmates sitting at desks working in the background
    Front view of a group of female Caucasian field hockey players preparing before a game, standing in a changing room, one is putting her hand on a shoulder of her teammate — Stock Photo
    Front view of a group of female Caucasian field hockey players preparing before a game, standing in a changing room, one is putting her hand on a shoulder of her teammate
    Smiling female science teacher and girl student reading textbook at microscope in laboratory classroom — Stock Photo
    Smiling female science teacher and girl student reading textbook at microscope in laboratory classroom
    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
    Students going out of classroom after lesson — Stock Photo
    Students going out of classroom after lesson
    Portrait close up of a Caucasian male field hockey player, wearing a white team strip, standing on a hockey pitch looking to camera on a sunny day — Stock Photo
    Portrait close up of a Caucasian male field hockey player, wearing a white team strip, standing on a hockey pitch looking to camera on a sunny day
    Portrait of teenage girl holding tablet while sitting by machinery in lab — Stock Photo
    Portrait of teenage girl holding tablet while sitting by machinery in lab
    Female college students practicing chemistry experiment at desk in lab — Stock Photo
    Female college students practicing chemistry experiment at desk in lab
    High school students studying at tables in classroom — Stock Photo
    High school students studying at tables in classroom
    Teacher and students in classroom during lesson — Stock Photo
    Teacher and students in classroom during lesson
    Portrait of a Caucasian female field hockey players, preparing before a game, standing in a changing room, with her teammates standing in a row behind her — Stock Photo
    Portrait of a Caucasian female field hockey players, preparing before a game, standing in a changing room, with her teammates standing in a row behind her