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    Chairs in a vaulted stone room for lectures meetings or seminars at a university — Stock Photo
    Chairs in a vaulted stone room for lectures meetings or seminars at a university
    Portrait of rural primary school teachers — Stock Photo
    Portrait of rural primary school teachers
    Students on a science lesson — Stock Photo
    Students on a science lesson
    Schoolboy playing with building blocks — Stock Photo
    Schoolboy playing with building blocks
    Girl looking at books — Stock Photo
    Girl looking at books
    Portrait of schoolgirl in corridor — Stock Photo
    Portrait of schoolgirl in corridor
    Happy schoolgirl standing at playground — Stock Photo
    Happy schoolgirl standing at playground
    Chinese parents with schoolboy on street in morning — Stock Photo
    Chinese parents with schoolboy on street in morning
    Schoolchildren sitting in corridor — Stock Photo
    Schoolchildren sitting in corridor
    Male teacher assisting boy in writing on whiteboard at classroom — Stock Photo
    Male teacher assisting boy in writing on whiteboard at classroom
    Young people in meeting with advisor in office — Stock Photo
    Young people in meeting with advisor in office
    Rural female teacher and chinese pupils laughing in the classroom — Stock Photo
    Rural female teacher and chinese pupils laughing in the classroom
    Boys writing on whiteboard — Stock Photo
    Boys writing on whiteboard
    Primary school girls in rural primary schools — Stock Photo
    Primary school girls in rural primary schools
    Schoolboy writing on whiteboard — Stock Photo
    Schoolboy writing on whiteboard
    Aid settlement in poor district Arequipas, school and polyclinic buildings, Arequipa, Peru — Stock Photo
    Aid settlement in poor district Arequipas, school and polyclinic buildings, Arequipa, Peru
    Tower of atoms bonded together — Stock Photo
    Tower of atoms bonded together
    Thoughtful schoolboy sitting in classroom — Stock Photo
    Thoughtful schoolboy sitting in classroom
    Teacher talking to schoolboy in classroom — Stock Photo
    Teacher talking to schoolboy in classroom
    Portrait of schoolboy leaning on tree — Stock Photo
    Portrait of schoolboy leaning on tree
    Chinese business couple with children walking hand in hand at street — Stock Photo
    Chinese business couple with children walking hand in hand at street
    Students at a Green Science Fair event. — Stock Photo
    Students at a Green Science Fair event.
    Rural female teacher and happy chinese pupils in classroom — Stock Photo
    Rural female teacher and happy chinese pupils in classroom
    Boy in a library reading a book. — Stock Photo
    Boy in a library reading a book.
    Happy boy using digital tablet — Stock Photo
    Happy boy using digital tablet
    Chinese school students studying with textbooks in rural primary school — Stock Photo
    Chinese school students studying with textbooks in rural primary school
    Two girls sitting on driftwood on the beach with sun flare behind them — Stock Photo
    Two girls sitting on driftwood on the beach with sun flare behind them
    Group making scientific models — Stock Photo
    Group making scientific models
    Rural chinese female teacher and pupil in the classroom — Stock Photo
    Rural chinese female teacher and pupil in the classroom
    Group of students using laptops — Stock Photo
    Group of students using laptops
    Rural female teacher and pupils using laptop computer together in school — Stock Photo
    Rural female teacher and pupils using laptop computer together in school
    Primary school students sitting at desks in rural primary school, selective focus — Stock Photo
    Primary school students sitting at desks in rural primary school, selective focus
    One room school house building by a road on the prairie. — Stock Photo
    One room school house building by a road on the prairie.
    Boy shoveling snow in the garden — Stock Photo
    Boy shoveling snow in the garden
    Girls looking at smartphone — Stock Photo
    Girls looking at smartphone
    Three children standing behind presentations — Stock Photo
    Three children standing behind presentations
    Students holding a trophy together — Stock Photo
    Students holding a trophy together
    Close-up view of chinese primary school students studying in rural school — Stock Photo
    Close-up view of chinese primary school students studying in rural school
    Girl standing on beach with sun behind her looking out — Stock Photo
    Girl standing on beach with sun behind her looking out
    Schoolboys standing in front of building — Stock Photo
    Schoolboys standing in front of building
    College students talking outside sunny building — Stock Photo
    College students talking outside sunny building
    Portrait of teenage student girl holding book standing against gray wall — Stock Photo
    Portrait of teenage student girl holding book standing against gray wall
    Portrait of schoolboy in classroom — Stock Photo
    Portrait of schoolboy in classroom
    High angle view of rural female teacher and chinese pupils smiling at camera in the classroom — Stock Photo
    High angle view of rural female teacher and chinese pupils smiling at camera in the classroom
    Rear view of schoolboy standing and looking at school building — Stock Photo
    Rear view of schoolboy standing and looking at school building
    Boy standing at a podium — Stock Photo
    Boy standing at a podium
    Two beautiful asian women together at new york, usa — Stock Photo
    Two beautiful asian women together at new york, usa
    Abstract wooden building facade with multiply stacks, Tartu, Estonia — Stock Photo
    Abstract wooden building facade with multiply stacks, Tartu, Estonia
    Teacher standing in front of students — Stock Photo
    Teacher standing in front of students
    First grade boy building volcano in homeschool — Stock Photo
    First grade boy building volcano in homeschool
    Portrait of schoolboy looking at camera — Stock Photo
    Portrait of schoolboy looking at camera
    Chinese primary school students sitting at desk in rural school — Stock Photo
    Chinese primary school students sitting at desk in rural school
    Happy junior high schoolgirl — Stock Photo
    Happy junior high schoolgirl
    Chinese rural female teacher and pupils smiling at camera in the classroom — Stock Photo
    Chinese rural female teacher and pupils smiling at camera in the classroom
    Bay horse standing in wooden stall and resting in stable of equestrian school in countryside — Stock Photo
    Bay horse standing in wooden stall and resting in stable of equestrian school in countryside
    Junior high students leaving school building, descending steps — Stock Photo
    Junior high students leaving school building, descending steps
    Boy writing in book — Stock Photo
    Boy writing in book
    Young asian college students standing against campus — Stock Photo
    Young asian college students standing against campus
    Rural chinese female teacher and pupils smiling at camera in the classroom — Stock Photo
    Rural chinese female teacher and pupils smiling at camera in the classroom
    Chinese school students studying with textbooks in rural primary school — Stock Photo
    Chinese school students studying with textbooks in rural primary school