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23804980 results

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    Young woman reading book — Stock Photo
    Young woman reading book
    Junior high boy student talking to girl in corridor — Stock Photo
    Junior high boy student talking to girl in corridor
    53966 — Stock Photo
    53966
    Chinese woman reading book in cafe — Stock Photo
    Chinese woman reading book in cafe
    University student using laptop — Stock Photo
    University student using laptop
    Junior high school students using computer in classroom — Stock Photo
    Junior high school students using computer in classroom
    Man using holding laptop — Stock Photo
    Man using holding laptop
    Side view of multi-ethnic group of high school teenagers in a school classroom sitting at desks, all raising their hands to answer a question — Stock Photo
    Side view of multi-ethnic group of high school teenagers in a school classroom sitting at desks, all raising their hands to answer a question
    Pensive African American female student with bunch of textbooks looking away while standing on street near university building — Stock Photo
    Pensive African American female student with bunch of textbooks looking away while standing on street near university building
    Four students sitting in a row on a steps using their wireless devices on the university campus — Stock Photo
    Four students sitting in a row on a steps using their wireless devices on the university campus
    Teenage friends using smart phone outside sunny school building — Stock Photo
    Teenage friends using smart phone outside sunny school building
    Happy teen jockeys in helmets communicating with each other while riding obedient horses on sandy dressage arena during lesson in equestrian school — Stock Photo
    Happy teen jockeys in helmets communicating with each other while riding obedient horses on sandy dressage arena during lesson in equestrian school
    Women tasting food in cooking class kitchen — Stock Photo
    Women tasting food in cooking class kitchen
    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
    Good and bad student desk — Stock Photo
    Good and bad student desk
    Student examining electrical control system on furnace with professor in HVAC classroom one student in wheelchair — Stock Photo
    Student examining electrical control system on furnace with professor in HVAC classroom one student in wheelchair
    Anatomy of human skeleton back bones, computer illustration. — Stock Photo
    Anatomy of human skeleton back bones, computer illustration.
    Portrait smiling brother and sister doing homework — Stock Photo
    Portrait smiling brother and sister doing homework
    Anatomy of human skeleton hand bones, computer illustration. — Stock Photo
    Anatomy of human skeleton hand bones, computer illustration.
    Stylish guitarist on couch in living room — Stock Photo
    Stylish guitarist on couch in living room
    Chinese business couple with children walking hand in hand at street — Stock Photo
    Chinese business couple with children walking hand in hand at street
    Illustration of human muscles on white background. — Stock Photo
    Illustration of human muscles on white background.
    Portrait of happy Caucasian female conservation volunteer cleaning up forest in the countryside, smiling to camera. Ecology and social responsibility in rural environment. — Stock Photo
    Portrait of happy Caucasian female conservation volunteer cleaning up forest in the countryside, smiling to camera. Ecology and social responsibility in rural environment.
    Student setting up generator experiment with professor while student in wheelchair examines HVAC system — Stock Photo
    Student setting up generator experiment with professor while student in wheelchair examines HVAC system
    Illustration of senior woman blue silhouette with highlighted gallbladder on white background. — Stock Photo
    Illustration of senior woman blue silhouette with highlighted gallbladder on white background.
    Schoolgirl sitting on steps and eating pain au chocolat — Stock Photo
    Schoolgirl sitting on steps and eating pain au chocolat
    Smiling, eager girl student asking a question in classroom — Stock Photo
    Smiling, eager girl student asking a question in classroom
    Thoughtful girl sitting at table and studying at home — Stock Photo
    Thoughtful girl sitting at table and studying at home
    Side view of father and son playing with construction pieces in the dining room of the house — Stock Photo
    Side view of father and son playing with construction pieces in the dining room of the house
    Teacher explaining schoolchildren task — Stock Photo
    Teacher explaining schoolchildren task
    Myanmar (Burma), Mandalay Region, Taungtha, Taung Ba, Mandalay Province, Taung Ba Primary School — Stock Photo
    Myanmar (Burma), Mandalay Region, Taungtha, Taung Ba, Mandalay Province, Taung Ba Primary School
    Female community college students discussing paperwork in classroom — Stock Photo
    Female community college students discussing paperwork in classroom
    Illustration of Earth planet surface from space. — Stock Photo
    Illustration of Earth planet surface from space.
    Front view of a young African American male and a young mixed race female fashion student holding a pattern while working on a design in a studio at fashion college, with mannequins in the background — Stock Photo
    Front view of a young African American male and a young mixed race female fashion student holding a pattern while working on a design in a studio at fashion college, with mannequins in the background
    Blood stream and artery walls — Stock Photo
    Blood stream and artery walls
    Realistic skeleton model showing female anatomy on white background, computer illustration. — Stock Photo
    Realistic skeleton model showing female anatomy on white background, computer illustration.
    Teacher and students on campus — Stock Photo
    Teacher and students on campus
    Happy women choir with sheet music singing and clapping in music recording studio — Stock Photo
    Happy women choir with sheet music singing and clapping in music recording studio
    Illustration of stomach in human body silhouette. — Stock Photo
    Illustration of stomach in human body silhouette.
    Chinese school students sitting at desks and studying in rural primary school — Stock Photo
    Chinese school students sitting at desks and studying in rural primary school
    Abstract male silhouette with visible brain and nerves of nervous system, computer illustration. — Stock Photo
    Abstract male silhouette with visible brain and nerves of nervous system, computer illustration.
    Father assisting her daughter in doing homework at home — Stock Photo
    Father assisting her daughter in doing homework at home
    Portrait confident junior high boy student — Stock Photo
    Portrait confident junior high boy student
    3d illustration of running human shaped colorful sculpture. — Stock Photo
    3d illustration of running human shaped colorful sculpture.
    Young carpenter using plane tool in workshop — Stock Photo
    Young carpenter using plane tool in workshop
    Mechanic working on engine in auto repair shop — Stock Photo
    Mechanic working on engine in auto repair shop
    Illustration of human shoulder bones on white background. — Stock Photo
    Illustration of human shoulder bones on white background.
    Red colored mammary glands in female abstract body on blue background, digital illustration. — Stock Photo
    Red colored mammary glands in female abstract body on blue background, digital illustration.
    African american boy studying while sitting on his desk in the class at school. school and education concept — Stock Photo
    African american boy studying while sitting on his desk in the class at school. school and education concept
    Chinese father helping cheerful son with homework — Stock Photo
    Chinese father helping cheerful son with homework
    College students with books and coffee walking in park — Stock Photo
    College students with books and coffee walking in park
    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
    Male student showing tablet computer to friend while standing in lab — Stock Photo
    Male student showing tablet computer to friend while standing in lab
    Businessman and son holding hands in urban park — Stock Photo
    Businessman and son holding hands in urban park
    Female community college instructor leading lesson at laptop and projection screen — Stock Photo
    Female community college instructor leading lesson at laptop and projection screen
    Audience using camera phones — Stock Photo
    Audience using camera phones
    Young female student — Stock Photo
    Young female student
    Leaning on bench female silhouette with leg pain, digital illustration. — Stock Photo
    Leaning on bench female silhouette with leg pain, digital illustration.
    Laughing active seniors talking in community center — Stock Photo
    Laughing active seniors talking in community center
    Happy female student choosing book — Stock Photo
    Happy female student choosing book