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    Boys with basketball ball on schoolyard — Stock Photo
    Boys with basketball ball on schoolyard
    High school teacher talking, leading lesson in classroom — Stock Photo
    High school teacher talking, leading lesson in classroom
    Smiling male science teacher leading lesson at whiteboard in classroom — Stock Photo
    Smiling male science teacher leading lesson at whiteboard in classroom
    Front view of a Caucasian teenage girl sitting in the empty auditorium of a school theatre watching her friends on stage during rehearsals for a performance — Stock Photo
    Front view of a Caucasian teenage girl sitting in the empty auditorium of a school theatre watching her friends on stage during rehearsals for a performance
    Eager junior high school students with hands raised in classroom — Stock Photo
    Eager junior high school students with hands raised in classroom
    Students programming and testing robotics in classroom — Stock Photo
    Students programming and testing robotics in classroom
    Side view close up of a multi-ethnic group of teenage male and female choristers holding sheet music and laughing, standing on the stage of a school theatre during a break in rehearsals for a performance — Stock Photo
    Side view close up of a multi-ethnic group of teenage male and female choristers holding sheet music and laughing, standing on the stage of a school theatre during a break in rehearsals for a performance
    Side view of a Caucasian teenage schoolboy sitting at a desk in class by a window using a smartphone and concentrating — Stock Photo
    Side view of a Caucasian teenage schoolboy sitting at a desk in class by a window using a smartphone and concentrating
    Male teacher and students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and students watching chemical reaction, conducting scientific experiment in laboratory classroom
    Teenage student using machinery in laboratory at college — Stock Photo
    Teenage student using machinery in laboratory at college
    Girl students assembling robotics in classroom — Stock Photo
    Girl students assembling robotics in classroom
    Focused junior high school girl student doing homework at desk in classroom — Stock Photo
    Focused junior high school girl student doing homework at desk in classroom
    High school students talking at table in debate class — Stock Photo
    High school students talking at table in debate class
    Front view close up of a teenage Caucasian girl 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
    Front view close up of a teenage Caucasian girl in a school classroom sitting at desk, concentrating and writing, with teenage male and female classmates sitting at desks working in the background
    Teenage girl holding pipette while practicing chemistry experiment at desk in lab — Stock Photo
    Teenage girl holding pipette while practicing chemistry experiment at desk in lab
    Male student practicing experiment in lab — Stock Photo
    Male student practicing experiment in lab
    Teenage girls reading book while standing in library seen through glass — Stock Photo
    Teenage girls reading book while standing in library seen through glass
    Male science teacher and students laughing, conducting scientific experiment in laboratory classroom — Stock Photo
    Male science teacher and students laughing, conducting scientific experiment in laboratory classroom
    Male teacher with students in classroom at school — Stock Photo
    Male teacher with students in classroom at school
    Side view of a Caucasian teenage boy in an empty high school theatre, sitting on steps of the front of the stage, preparing for a performance, holding a script and learning lines — Stock Photo
    Side view of a Caucasian teenage boy in an empty high school theatre, sitting on steps of the front of the stage, preparing for a performance, holding a script and learning lines
    Teenage girl performing chemistry experiment in lab — Stock Photo
    Teenage girl performing chemistry experiment in lab
    Schoolgirl writing on chalkboard in classroom at school — Stock Photo
    Schoolgirl writing on chalkboard in classroom at school
    University students practicing experiment in lab — Stock Photo
    University students practicing experiment in lab
    Students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Students watching chemical reaction, conducting scientific experiment in laboratory classroom
    Side view of a multi-ethnic 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 of a multi-ethnic 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
    Female student with arms crossed standing in lab — Stock Photo
    Female student with arms crossed standing in lab
    Junior high students walking around smiling female teacher — Stock Photo
    Junior high students walking around smiling female teacher
    Teenage female student using digital tablet in desk in classroom — Stock Photo
    Teenage female student using digital tablet in desk in classroom
    High angle view of college students studying at desk in classroom — Stock Photo
    High angle view of college students studying at desk in classroom
    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
    Focused boy student programming at computer in dark classroom — Stock Photo
    Focused boy student programming at computer in dark classroom
    Female student sitting alone in classroom during GCSE exam — Stock Photo
    Female student sitting alone in classroom during GCSE exam
    Side view of a male Caucasian teacher standing and talking with a teenage Caucasian girl working on a computer and concentrating in a classroom, with teenage male and female classmates sitting at desks working in the background and foreground — Stock Photo
    Side view of a male Caucasian teacher standing and talking with a teenage Caucasian girl working on a computer and concentrating in a classroom, with teenage male and female classmates sitting at desks working in the background and foreground
    Smiling teenage girl keeping book in shelf in library — Stock Photo
    Smiling teenage girl keeping book in shelf in library
    Female teacher and students examining DNA model in classroom — Stock Photo
    Female teacher and students examining DNA model in classroom
    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
    Female student using desktop computer while sitting at desk in classroom — Stock Photo
    Female student using desktop computer while sitting at desk in classroom
    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
    Junior high school boys watching teacher during lesson in classroom — Stock Photo
    Junior high school boys watching teacher during lesson in classroom
    Focused junior high school boys doing homework in classroom — Stock Photo
    Focused junior high school boys doing homework 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.
    High angle mid section of musician teenage girl wearing a striped sweater sitting and playing a ukulele alone — Stock Photo
    High angle mid section of musician teenage girl wearing a striped sweater sitting and playing a ukulele alone
    Female high school teacher helping girl student doing homework in classroom — Stock Photo
    Female high school teacher helping girl student doing homework in classroom
    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
    Teenagers playing pool indoors — Stock Photo
    Teenagers playing pool indoors
    Students conducting scientific experiment, pouring liquid in beaker in laboratory classroom — Stock Photo
    Students conducting scientific experiment, pouring liquid in beaker in laboratory classroom
    Portrait of smiling, confident male teacher in classroom — Stock Photo
    Portrait of smiling, confident male teacher in 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
    Male teacher helping junior high school student using digital tablet in classroom — Stock Photo
    Male teacher helping junior high school student using digital tablet in classroom
    Side view close up of multi-ethnic group of smiling high school teenagers in a school classroom sitting at desks, all raising their hands to answer a question — Stock Photo
    Side view close up of multi-ethnic group of smiling high school teenagers in a school classroom sitting at desks, all raising their hands to answer a question
    Portrait close up of a Caucasian musician teenage girl sitting by a window playing the violin in a high school — Stock Photo
    Portrait close up of a Caucasian musician teenage girl sitting by a window playing the violin in a high school
    Male teacher helping students assembling robotics in classroom — Stock Photo
    Male teacher helping students assembling robotics in classroom
    Focused boy students using digital tablet and microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Focused boy students using digital tablet and microscope, conducting scientific experiment in laboratory classroom
    Junior high school girl student with hand raised in classroom — Stock Photo
    Junior high school girl student with hand raised in classroom
    Front view close up of a Caucasian teenage boy musician with brown shirt sitting in front of a window playing a French horn alone at school — Stock Photo
    Front view close up of a Caucasian teenage boy musician with brown shirt sitting in front of a window playing a French horn alone at school
    Focused boy student reading textbook at microscope in laboratory classroom — Stock Photo
    Focused boy student reading textbook at microscope in laboratory classroom
    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
    High school students with hands raised during lesson in classroom — Stock Photo
    High school students with hands raised during lesson in classroom
    Front view close up of a Caucasian teenage girl sitting at a desk in a school classroom writing in a notebook, with classmates sitting at desks working in the background — Stock Photo
    Front view close up of a Caucasian teenage girl sitting at a desk in a school classroom writing in a notebook, with classmates sitting at desks working in the background
    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