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    University students sitting at table during exam in classroom — Stock Photo
    University students sitting at table during exam in classroom
    Group portrait of a multi-ethnic group of eight teenage male and female musicians sitting in a row in a classroom holding their instruments during a school band practice — Stock Photo
    Group portrait of a multi-ethnic group of eight teenage male and female musicians sitting in a row in a classroom holding their instruments during a school band practice
    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 junior high school students listening in classroom lesson — Stock Photo
    Smiling junior high school students listening in classroom lesson
    Side view of a Caucasian male high school teacher, standing and talking with a teenage Caucasian girl in a school classroom sitting a desk, with teenage classmates sitting at desks working in the background — Stock Photo
    Side view of a Caucasian male high school teacher, standing and talking with a teenage Caucasian girl in a school classroom sitting a desk, with teenage classmates sitting at desks working in the background
    Front view of a teenage Caucasian boy sitting a desk looking ahead and concentrating in a school classroom, with a row of teenage female classmates sitting at desks behind him — Stock Photo
    Front view of a teenage Caucasian boy sitting a desk looking ahead and concentrating in a school classroom, with a row of teenage female classmates sitting at desks behind him
    Side view of two teenage Caucasian girls talking in a school classroom, one turning around in her seat to talk to the other, sitting at a desk behind her, concentrating and writing — Stock Photo
    Side view of two teenage Caucasian girls talking in a school classroom, one turning around in her seat to talk to the other, sitting at a desk behind her, concentrating and writing
    Young college students practicing experiment in lab — Stock Photo
    Young college students practicing experiment in lab
    Smiling high school girl student leaving classroom — Stock Photo
    Smiling high school girl student leaving classroom
    Front view of a Caucasian teenage boy and a mixed race teenage girl sitting on a wall looking at a tablet computer together and smiling, in a school playing field with two teenage couple walking in the background — Stock Photo
    Front view of a Caucasian teenage boy and a mixed race teenage girl sitting on a wall looking at a tablet computer together and smiling, in a school playing field with two teenage couple walking in the background
    Junior high students using computer in computer lab — Stock Photo
    Junior high students using computer in computer lab
    High school teacher calling on students during lesson in classroom — Stock Photo
    High school teacher calling on students during lesson in 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
    High school students with hands raised asking questions during lesson in classroom — Stock Photo
    High school students with hands raised asking questions during lesson in classroom
    Portrait of smiling, confident junior high school student studying at desk in classroom — Stock Photo
    Portrait of smiling, confident junior high school student studying at desk in classroom
    Young university students at desk in classroom — Stock Photo
    Young university students at desk in classroom
    Side view of a Caucasian female conductor and a multi-ethnic group of teenage male and female choristers standing opposite, singing on the stage of a school theatre during rehearsals for a performance — Stock Photo
    Side view of a Caucasian female conductor and a multi-ethnic group of teenage male and female choristers standing opposite, singing on the stage of a school theatre during rehearsals for a performance
    Female teacher and students programming and assembling robotics in classroom — Stock Photo
    Female teacher and students programming and assembling robotics in classroom
    Curious boy examining molecule model in laboratory classroom — Stock Photo
    Curious boy examining molecule model in laboratory classroom
    Students conducting scientific experiment in laboratory classroom — Stock Photo
    Students conducting scientific experiment in laboratory classroom
    Rear view of multi-ethnic group of high school teenagers in a school classroom sitting at desks, all raising their hands to answer a question, their male teacher standing in the background — Stock Photo
    Rear view of multi-ethnic group of high school teenagers in a school classroom sitting at desks, all raising their hands to answer a question, their male teacher standing in the background
    Side view of male college student practicing chemistry experiment in lab — Stock Photo
    Side view of male college student practicing chemistry experiment in lab
    Portrait confident, smiling female teacher and girl students researching at computer in library — Stock Photo
    Portrait confident, smiling female teacher and girl students researching at computer in library
    High school teacher talking, leading lesson in classroom — Stock Photo
    High school teacher talking, leading lesson in classroom
    Thoughtful schoolkid sitting in the classroom at school — Stock Photo
    Thoughtful schoolkid sitting in the classroom at school
    Tween boys playing basketball on schoolyard — Stock Photo
    Tween boys playing basketball on schoolyard
    Schoolgirl writing on chalkboard in classroom at school — Stock Photo
    Schoolgirl writing on chalkboard in classroom at school
    Students researching at computers in library — Stock Photo
    Students researching at computers in library
    Side view of a Caucasian teenage girl in an empty high school theatre preparing before a performance, standing on the stage, holding a script and practicing her part — Stock Photo
    Side view of a Caucasian teenage girl in an empty high school theatre preparing before a performance, standing on the stage, holding a script and practicing her part
    Happy high school students and teacher clapping in debate class — Stock Photo
    Happy high school students and teacher clapping in debate class
    Side view of a multi-ethnic group of high school teenage male and female school pupils in a classroom, sitting at a table working together, talking and smiling — Stock Photo
    Side view of a multi-ethnic group of high school teenage male and female school pupils in a classroom, sitting at a table working together, talking and smiling
    Italian Garden Through Columns — Stock Photo
    Italian Garden Through Columns
    Junior high students talking in library — Stock Photo
    Junior high students talking in library
    High angle view of a multi-ethnic group of teenage school pupils sitting and standing around a table in a classroom looking at laptop and tablet computers together and talking at break time — Stock Photo
    High angle view of a multi-ethnic group of teenage school pupils sitting and standing around a table in a classroom looking at laptop and tablet computers together and talking at break time
    Female teacher and girl students using microscope and laptop, conducting scientific experiment in laboratory classroom — Stock Photo
    Female teacher and girl students using microscope and laptop, conducting scientific experiment in laboratory classroom
    Young female using tablet computer while studying at desk with classmates at desk in classroom — Stock Photo
    Young female using tablet computer while studying at desk with classmates at desk in classroom
    LAOS, 4000 ISLANDS AREA: Group of children in uniform walking together from school. — Stock Photo
    LAOS, 4000 ISLANDS AREA: Group of children in uniform walking together from school.
    Teenage girls practicing experiment while standing in lab — Stock Photo
    Teenage girls practicing experiment while standing in lab
    Happy, smiling high school girl student talking with classmate in classroom — Stock Photo
    Happy, smiling high school girl student talking with classmate in classroom
    Male teacher and girl students conducting scientific experiment at microscope in laboratory classroom — Stock Photo
    Male teacher and girl students conducting scientific experiment at microscope in laboratory classroom
    Teenage female college student using digital tablet in desk in classroom — Stock Photo
    Teenage female college student using digital tablet in desk 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
    Schoolkids holding sketch pens in classroom at school — Stock Photo
    Schoolkids holding sketch pens in classroom at school
    Surprised students conducting scientific experiment, watching chemical reaction in classroom laboratory — Stock Photo
    Surprised students conducting scientific experiment, watching chemical reaction in classroom laboratory
    Front view of a teenage mixed-race boy in a school classroom sitting at desk, raising his hand to answer a question, with teenage male and female classmates sitting at desks working in the background — Stock Photo
    Front view of a teenage mixed-race boy in a school classroom sitting at desk, raising his hand to answer a question, with teenage male and female classmates sitting at desks working in the background
    Female teacher helping junior high school students doing homework at desk in classroom — Stock Photo
    Female teacher helping junior high school students doing homework at desk in classroom
    Portrait confident female high school teacher at projection screen in classroom — Stock Photo
    Portrait confident female high school teacher at projection screen in classroom
    High school students with hands raised in debate class — Stock Photo
    High school students with hands raised in debate class
    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 students using computer in computer lab — Stock Photo
    Junior high students using computer in computer lab
    Male student showing tablet computer to friend while standing in lab — Stock Photo
    Male student showing tablet computer to friend while standing in lab
    Schoolkid using digital tablet in classroom at school — Stock Photo
    Schoolkid using digital tablet in classroom at school
    Girl student using microscope in classroom — Stock Photo
    Girl student using microscope in classroom
    Girl students assembling computer in classroom — Stock Photo
    Girl students assembling computer in classroom
    Side view of a Caucasian musician teenage girl sitting by a window playing a ukulele alone in a high school — Stock Photo
    Side view of a Caucasian musician teenage girl sitting by a window playing a ukulele alone in a high school
    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
    Smiling female science teacher leading lesson at whiteboard in classroom — Stock Photo
    Smiling female science teacher leading lesson at whiteboard in classroom
    Junior high school students enjoying lesson at desks in classroom — Stock Photo
    Junior high school students enjoying lesson at desks in classroom
    Male teacher teaching students in the class at school — Stock Photo
    Male teacher teaching students in the class at school
    Front view of two Caucasian teenage female school pupils with schoolbags hanging out, walking and looking at a smartphone together in their high school grounds, with classmates hanging out in the background — Stock Photo
    Front view of two Caucasian teenage female school pupils with schoolbags hanging out, walking and looking at a smartphone together in their high school grounds, with classmates hanging out in the background