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    Female students using computer while practicing experiment in lab — Stock Photo
    Female students using computer while practicing experiment in lab
    Female college student using digital tablet at desk in classroom — Stock Photo
    Female college student using digital tablet at desk in classroom
    Smiling girl conducting scientific experiment in laboratory classroom — Stock Photo
    Smiling girl conducting scientific experiment in laboratory classroom
    Male teacher leading physics lesson at whiteboard in classroom — Stock Photo
    Male teacher leading physics lesson at whiteboard in 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
    Side view of a teenage Caucasian male field hockey player in action on the pitch, preparing to hit a ball during a hockey game on a sunny day — Stock Photo
    Side view of a teenage Caucasian male field hockey player in action on the pitch, preparing to hit a ball during a hockey game on a sunny day
    Rear view of a multi-ethnic group of male and female teenage students talking as they walk through their school grounds — Stock Photo
    Rear view of a multi-ethnic group of male and female teenage students talking as they walk through their school grounds
    Thoughtful female college student at desk during exam in classroom — Stock Photo
    Thoughtful female college student at desk during exam in classroom
    Students practicing experiment in lab — Stock Photo
    Students practicing experiment in lab
    Teacher helping junior high students using computer in computer lab — Stock Photo
    Teacher helping junior high students using computer in computer lab
    Side view of a multi-ethnic group of high school teenage male and female school pupils hanging out, talking and looking at a smartphone together, sitting on steps in their school grounds — Stock Photo
    Side view of a multi-ethnic group of high school teenage male and female school pupils hanging out, talking and looking at a smartphone together, sitting on steps in their school grounds
    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
    Side view of a teenage Caucasian boy in a school classroom sitting at desk, concentrating and writing, with teenage mixed race male and African American female classmates sitting at desks working in the on either side of him — Stock Photo
    Side view of a teenage Caucasian boy in a school classroom sitting at desk, concentrating and writing, with teenage mixed race male and African American female classmates sitting at desks working in the on either side of him
    Portrait of confident teachers standing outside school building steps — Stock Photo
    Portrait of confident teachers standing outside school building steps
    Male teacher leading lesson in classroom — Stock Photo
    Male teacher leading lesson in classroom
    Over the shoulder view of a Caucasian male field hockey coach interacting with a group of female Caucasian field hockey players, sitting in a changing room, holding a digital tablet — Stock Photo
    Over the shoulder view of a Caucasian male field hockey coach interacting with a group of female Caucasian field hockey players, sitting in a changing room, holding a digital tablet
    Side view close up of a Caucasian female conductor directing a 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
    Side view close up of a Caucasian female conductor directing a 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
    Young college students studying at desk in calssroom — Stock Photo
    Young college students studying at desk in calssroom
    Junior high school students using computer in classroom — Stock Photo
    Junior high school students using computer in classroom
    Smiling high school students talking in debate class — Stock Photo
    Smiling high school students talking in debate class
    France, Limousin, triticale field, hybrid of wheat and rye, near Aubusson. — Stock Photo
    France, Limousin, triticale field, hybrid of wheat and rye, near Aubusson.
    Female teacher and girl students using laptop in classroom — Stock Photo
    Female teacher and girl students using laptop in classroom
    Front view of two teenage African American female school pupils in a classroom, sitting at a table working together and talking — Stock Photo
    Front view of two teenage African American female school pupils in a classroom, sitting at a table working together and talking
    Students talking at table in library — Stock Photo
    Students talking at table in library
    Portrait confident high school students on stair landing — Stock Photo
    Portrait confident high school students on stair landing
    Pensive, curious girl student examining molecular structure — Stock Photo
    Pensive, curious girl student examining molecular structure
    Focused high school girl student studying in classroom — Stock Photo
    Focused high school girl student studying in classroom
    Male teacher using laptop with students in the classroom at school — Stock Photo
    Male teacher using laptop with students in the classroom at school
    France, Normandy, Montmartin-sur Mer, Haystacks mechanically rolled at the time of harvest. — Stock Photo
    France, Normandy, Montmartin-sur Mer, Haystacks mechanically rolled at the time of harvest.
    Curious girl students conducting scientific experiment in laboratory classroom — Stock Photo
    Curious girl students conducting scientific experiment in laboratory classroom
    Female college students practicing chemistry experiment in lab — Stock Photo
    Female college students practicing chemistry experiment in lab
    Side view of a group of female Caucasian field hockey players preparing before a game, huddling around their Caucasian male coach, on a hockey pitch, who gives them game plan, and points at something, on a sunny day — Stock Photo
    Side view of a group of female Caucasian field hockey players preparing before a game, huddling around their Caucasian male coach, on a hockey pitch, who gives them game plan, and points at something, on a sunny day
    Portrait playful girl student holding molecular structure on head at microscope in laboratory classroom — Stock Photo
    Portrait playful girl student holding molecular structure on head at microscope in laboratory classroom
    Female science teacher and girl student writing at whiteboard in classroom — Stock Photo
    Female science teacher and girl student writing at whiteboard in classroom
    Portrait confident junior high female students on steps — Stock Photo
    Portrait confident junior high female students on steps
    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
    Female student writing at desk in classroom — Stock Photo
    Female student writing at desk in classroom
    Junior high school students with backpacks in classroom — Stock Photo
    Junior high school students with backpacks 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
    Side view of a group of female Caucasian field hockey players, preparing before a game, huddling, interacting, motivating, bending down, on a sunny day — Stock Photo
    Side view of a group of female Caucasian field hockey players, preparing before a game, huddling, interacting, motivating, bending down, on a sunny day
    Secondary follicles in an ovary — Stock Photo
    Secondary follicles in an ovary
    Schoolkids looking at each other in school campus on a sunny day — Stock Photo
    Schoolkids looking at each other in school campus on a sunny day
    Smiling female university students studying at desk in classroom — Stock Photo
    Smiling female university students studying at desk in classroom
    Side view close up of a Caucasian teenage girl sitting in front of a window playing a flute, selective focus — Stock Photo
    Side view close up of a Caucasian teenage girl sitting in front of a window playing a flute, selective focus
    Low section front view close up of female high school student, using a smartphone and sitting on steps in the school grounds — Stock Photo
    Low section front view close up of female high school student, using a smartphone and sitting on steps in the school grounds
    High angle view of teenage girl studying at desk in classroom — Stock Photo
    High angle view of teenage girl studying at desk in classroom
    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
    Rear view of a Caucasian female field hockey goalkeeper, during a field hockey game, standing in a goal, failing to defend a penalty kick, with her teammates and opponents in the background, on a sunny day — Stock Photo
    Rear view of a Caucasian female field hockey goalkeeper, during a field hockey game, standing in a goal, failing to defend a penalty kick, with her teammates and opponents in the background, on a sunny day
    Junior high school girl student using digital tablets at desk in classroom — Stock Photo
    Junior high school girl student using digital tablets at desk in classroom
    Junior high school boys using digital tablet in classroom — Stock Photo
    Junior high school boys using digital tablet in classroom
    Side view of a Caucasian male field hockey coach interacting with a group of female Caucasian field hockey players, sitting in a changing room, holding a digital tablet — 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, holding a digital tablet
    Front view of a multi-ethnic group of teenage school pupils sitting at desks in a classroom and raising their hands — Stock Photo
    Front view of a multi-ethnic group of teenage school pupils sitting at desks in a classroom and raising their hands
    Front view of a group of female Caucasian field hockey players preparing before a game, walking on a hokey pitch, holding hockey sticks — Stock Photo
    Front view of a group of female Caucasian field hockey players preparing before a game, walking on a hokey pitch, holding hockey sticks
    High angle view of girl using computer while practicing experiment in lab — Stock Photo
    High angle view of girl using computer while practicing experiment in lab
    Portrait happy junior high students and teachers in library — Stock Photo
    Portrait happy junior high students and teachers in library
    Boy student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Boy student using microscope, conducting scientific experiment in laboratory classroom
    Students studying in the classroom at school — Stock Photo
    Students studying in the classroom at school
    Bridal high-heeled shoes with flowers — Stock Photo
    Bridal high-heeled shoes with flowers
    Teenagers playing pool in community center — Stock Photo
    Teenagers playing pool in community center
    Digital molecular model of secondary structure of immunoglobulin G antibodies. — Stock Photo
    Digital molecular model of secondary structure of immunoglobulin G antibodies.