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    Woman using headphones while sitting in cafe — Stock Photo
    Woman using headphones while sitting in cafe
    Two beautiful women dancing on the beach, a girl with brown hair and a girl with Asian features — Stock Photo
    Two beautiful women dancing on the beach, a girl with brown hair and a girl with Asian features
    Curious students examining liquid in beaker, conducting scientific experiment in laboratory classroom — Stock Photo
    Curious students examining liquid in beaker, conducting scientific experiment in laboratory classroom
    Male teacher leading lesson at projection screen in classroom with students raising hands — Stock Photo
    Male teacher leading lesson at projection screen in classroom with students raising hands
    Front 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, with the arm of the female conductor in the foreground — Stock Photo
    Front 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, with the arm of the female conductor in the foreground
    Female teacher teaching class — Stock Photo
    Female teacher teaching class
    Young boy and girl — Stock Photo
    Young boy and girl
    Young asian college student holding papers against wall — Stock Photo
    Young asian college student holding papers against wall
    Young friends celebrating birthday with cake and candle high-fiving — Stock Photo
    Young friends celebrating birthday with cake and candle high-fiving
    Focused junior high school student doing homework in classroom — Stock Photo
    Focused junior high school student doing homework in classroom
    University professor with Muscular Dystrophy teaching students in a classroom — Stock Photo
    University professor with Muscular Dystrophy teaching students in a classroom
    Friends at table in cafe — Stock Photo
    Friends at table in cafe
    Students in a school library — Stock Photo
    Students in a school library
    Girl showing tablet computer to friend while studying at desk in classroom — Stock Photo
    Girl showing tablet computer to friend while studying at desk in classroom
    Mature teacher explaining student — Stock Photo
    Mature teacher explaining student
    Community college instructor helping students at computers in computer lab classroom — Stock Photo
    Community college instructor helping students at computers in computer lab classroom
    Young asian college student studying near campus — Stock Photo
    Young asian college student studying near campus
    Professor with muscular dystrophy working with students in a laboratory — Stock Photo
    Professor with muscular dystrophy working with students in a laboratory
    Curious junior high school boys using virtual reality simulators in classroom — Stock Photo
    Curious junior high school boys using virtual reality simulators in classroom
    Chinese college students using laptop in campus park in autumn — Stock Photo
    Chinese college students using laptop in campus park in autumn
    Young female entrepreneurs working at laptop — Stock Photo
    Young female entrepreneurs working at laptop
    Smiling young women friends texting with cell phone — Stock Photo
    Smiling young women friends texting with cell phone
    College students studying at laptop in classroom — Stock Photo
    College students studying at laptop in classroom
    Teacher assisting university students in their studies in classroom — Stock Photo
    Teacher assisting university students in their studies in classroom
    Community college instructor helping students using computers in computer lab — Stock Photo
    Community college instructor helping students using computers in computer lab
    Teacher with african american student using world map — Stock Photo
    Teacher with african american student using world map
    High school teacher supervising students taking exam at desks — Stock Photo
    High school teacher supervising students taking exam at desks
    Chinese instructor teaching children Taekwondo — Stock Photo
    Chinese instructor teaching children Taekwondo
    Portrait of serious boy — Stock Photo
    Portrait of serious boy
    Front view of a middle aged African school teacher standing in front of the blackboard showing her pupils a laptop during a lesson in a township elementary school classroom. — Stock Photo
    Front view of a middle aged African school teacher standing in front of the blackboard showing her pupils a laptop during a lesson in a township elementary school classroom.
    African american girl studying while sitting on her desk in the class at school. school and education concept — Stock Photo
    African american girl studying while sitting on her desk in the class at school. school and education concept
    Students and teachers smiling outdoors — Stock Photo
    Students and teachers smiling outdoors
    Female art students in art studio — Stock Photo
    Female art students in art studio
    Focused young multiracial female friends spending free time together in stadium — Stock Photo
    Focused young multiracial female friends spending free time together in stadium
    Portrait enthusiastic college graduates in cap and gown with diplomas — Stock Photo
    Portrait enthusiastic college graduates in cap and gown with diplomas
    Chinese children painting in art class with teacher — Stock Photo
    Chinese children painting in art class with teacher
    Eacher teaching mathematics to children — Stock Photo
    Eacher teaching mathematics to children
    Doctors practicing tracheal intubation on infant training dummies. — Stock Photo
    Doctors practicing tracheal intubation on infant training dummies.
    Instructor demonstrating air conditioner recharging manifold with gauges in HVAC classroom student in wheelchair — Stock Photo
    Instructor demonstrating air conditioner recharging manifold with gauges in HVAC classroom student in wheelchair
    Male and female friends discussing — Stock Photo
    Male and female friends discussing
    Chef helping students with Down Syndrome in baking class — Stock Photo
    Chef helping students with Down Syndrome in baking class
    Girls in a school library — Stock Photo
    Girls in a school library
    Junior high students raising hands — Stock Photo
    Junior high students raising hands
    Elementary students playing — Stock Photo
    Elementary students playing
    Students using computer in classroom — Stock Photo
    Students using computer in classroom
    Carefree youthful diverse women in casual clothes laughing and having friendly conversation while sitting in sport playground — Stock Photo
    Carefree youthful diverse women in casual clothes laughing and having friendly conversation while sitting in sport playground
    Happy chinese rural pupils coming home from school — Stock Photo
    Happy chinese rural pupils coming home from school
    Close-up view of students writing notes and working with digital tablet — Stock Photo
    Close-up view of students writing notes and working with digital tablet
    Front view close up of a young African schoolboy sitting at his desk looking at a tablet computer and smiling during a lesson in a township elementary school classroom, in the background classmates are sitting at their desks working — Stock Photo
    Front view close up of a young African schoolboy sitting at his desk looking at a tablet computer and smiling during a lesson in a township elementary school classroom, in the background classmates are sitting at their desks working
    Side view of a mixed race teenage male high school student in a classroom, working on a computer and concentrating, with other pupils working on computers in the background — Stock Photo
    Side view of a mixed race teenage male high school student in a classroom, working on a computer and concentrating, with other pupils working on computers in the background
    A group of Caucasian male and female chefs cooking, talking and looking at each other. Cookery class at a restaurant kitchen. — Stock Photo
    A group of Caucasian male and female chefs cooking, talking and looking at each other. Cookery class at a restaurant kitchen.
    Male student with friends — Stock Photo
    Male student with friends
    Front view of a multi-ethnic group of teenage pupils concentrating sitting at desks in class studying at school in a high school — Stock Photo
    Front view of a multi-ethnic group of teenage pupils concentrating sitting at desks in class studying at school in a high school
    Portrait of confident boy — Stock Photo
    Portrait of confident boy
    Happy junior high schoolgirl — Stock Photo
    Happy junior high schoolgirl
    Rural female teacher pointing with finger for chinese students standing outdoor — Stock Photo
    Rural female teacher pointing with finger for chinese students standing outdoor
    Male teacher using laptop with students in the classroom at school — Stock Photo
    Male teacher using laptop with students in the classroom at school
    A high school senior posing for her graduation portraits. — Stock Photo
    A high school senior posing for her graduation portraits.
    Female community college students talking, studying in classroom — Stock Photo
    Female community college students talking, studying in classroom
    Student examining globe in classroom — Stock Photo
    Student examining globe in classroom