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17437205 results

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    Mature teacher explaining student — Stock Photo
    Mature teacher explaining student
    Female college student taking test at desk in classroom — Stock Photo
    Female college student taking test at desk in classroom
    College students entering in college — Stock Photo
    College students entering in college
    Teacher with girls using tablet computer — Stock Photo
    Teacher with girls using tablet computer
    Rural female teacher and happy chinese pupils smiling at camera in the classroom — Stock Photo
    Rural female teacher and happy chinese pupils smiling at camera in the classroom
    Doctors undertaking automated external defibrillator training. — Stock Photo
    Doctors undertaking automated external defibrillator training.
    Two teenage boys with skateboard and backpack using phone on the street — Stock Photo
    Two teenage boys with skateboard and backpack using phone on the street
    College students taking test at desks in classroom — Stock Photo
    College students taking test at desks in classroom
    Rear view of a Caucasian teenage boy standing in the auditorium directing a teenage girl on stage in an empty school theatre during rehearsals for a performance — Stock Photo
    Rear view of a Caucasian teenage boy standing in the auditorium directing a teenage girl on stage in an empty school theatre during rehearsals for a performance
    Students sitting on tables in class — Stock Photo
    Students sitting on tables in class
    Curious students examining DNA model in classroom — Stock Photo
    Curious students examining DNA model in classroom
    Caucasian male teacher using laptop while sitting in the class at elementary school. school and education concept — Stock Photo
    Caucasian male teacher using laptop while sitting in the class at elementary school. school and education concept
    High school teacher supervising students taking exam at desks — Stock Photo
    High school teacher supervising students taking exam at desks
    Three female students playing piano, clarinet and violin in a studio — Stock Photo
    Three female students playing piano, clarinet and violin in a studio
    College students experimenting on microscope in laboratory at university — Stock Photo
    College students experimenting on microscope in laboratory at university
    Novice monks children studying — Stock Photo
    Novice monks children studying
    High school teacher supervising students taking exam at desks — Stock Photo
    High school teacher supervising students taking exam at desks
    Students discussing together over model aeroplane in training institute — Stock Photo
    Students discussing together over model aeroplane in training institute
    Attentive university students doing a experiment in laboratory — Stock Photo
    Attentive university students doing a experiment in laboratory
    Junior high students using computer in library — Stock Photo
    Junior high students using computer in library
    Portrait smiling mother helping young adult daughter move into new apartment — Stock Photo
    Portrait smiling mother helping young adult daughter move into new apartment
    Young male and female scientists working in laboratory. — Stock Photo
    Young male and female scientists working in laboratory.
    Photography students with digital camera and memory card at computer — Stock Photo
    Photography students with digital camera and memory card at computer
    Students talking at table in library — Stock Photo
    Students talking at table in library
    Portrait of university student sitting at desk with hand on chin — Stock Photo
    Portrait of university student sitting at desk with hand on chin
    Portrait happy, confident junior female students — Stock Photo
    Portrait happy, confident junior female students
    Young female teacher and happy chinese school students playing outdoor — Stock Photo
    Young female teacher and happy chinese school students playing outdoor
    Young couple cooking in kitchen together — Stock Photo
    Young couple cooking in kitchen together
    Young friends celebrating birthday opening gift — Stock Photo
    Young friends celebrating birthday opening gift
    Human organs in container on desk — Stock Photo
    Human organs in container on desk
    University professor with Muscular Dystrophy teaching students in a classroom — Stock Photo
    University professor with Muscular Dystrophy teaching students in a classroom
    Student holding painting in classroom — Stock Photo
    Student holding painting in classroom
    Children having sack race at campsite — Stock Photo
    Children having sack race at campsite
    University professor with Muscular Dystrophy teaching students in a classroom — Stock Photo
    University professor with Muscular Dystrophy teaching students in a classroom
    Boys arm wrestling in a classroom — Stock Photo
    Boys arm wrestling in a classroom
    Cheerful young multiracial female friends enjoying free time in street — Stock Photo
    Cheerful young multiracial female friends enjoying free time in street
    Students drawing on chalkboard in classroom — Stock Photo
    Students drawing on chalkboard in classroom
    Smiling high school students talking in debate class — Stock Photo
    Smiling high school students talking in debate class
    Young female teacher and rural chinese school students playing outdoor — Stock Photo
    Young female teacher and rural chinese school students playing outdoor
    High school teacher calling on students with hands raised during lesson in classroom — Stock Photo
    High school teacher calling on students with hands raised during lesson in classroom
    Female teacher and girl students using laptop in classroom — Stock Photo
    Female teacher and girl students using laptop in classroom
    Community college instructor helping students at computers in computer lab classroom — Stock Photo
    Community college instructor helping students at computers in computer lab classroom
    Outdoor activities for chinese rural female teacher and students — Stock Photo
    Outdoor activities for chinese rural female teacher and students
    Male doctors practicing tracheal intubation on training dummy. — Stock Photo
    Male doctors practicing tracheal intubation on training dummy.
    Enthusiastic college students high-fiving in stairway — Stock Photo
    Enthusiastic college students high-fiving in stairway
    Teacher and Young Students — Stock Photo
    Teacher and Young Students
    Happy students walking on street — Stock Photo
    Happy students walking on street
    Rear view of caucasian male teacher using digital tablet while teaching in the class at school. school and education concept — Stock Photo
    Rear view of caucasian male teacher using digital tablet while teaching in the class at school. school and education concept
    Students on a science lesson — Stock Photo
    Students on a science lesson
    A group of friends on the beach gather their pieces of watermelon — Stock Photo
    A group of friends on the beach gather their pieces of watermelon
    Focused junior high school student using digital tablet in classroom — Stock Photo
    Focused junior high school student using digital tablet in classroom
    Focused high school girl students taking exam at desks in classroom — Stock Photo
    Focused high school girl students taking exam at desks in classroom
    Teenage girls studying on bed — Stock Photo
    Teenage girls studying on bed
    Male instructor helping students in shop class workshop — Stock Photo
    Male instructor helping students in shop class workshop
    Students looking at a book — Stock Photo
    Students looking at a book
    Teacher and students on campus — Stock Photo
    Teacher and students on campus
    Portrait confident young female college students studying in cafe — Stock Photo
    Portrait confident young female college students studying in cafe
    College student reading book for friend — Stock Photo
    College student reading book for friend
    Male teacher teaching students in the classroom at school — Stock Photo
    Male teacher teaching students in the classroom at school
    Students holding long rocket — Stock Photo
    Students holding long rocket