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    Girl scratching head — Stock Photo
    Girl scratching head
    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
    Portrait playful girl playing at construction exhibit in science center — Stock Photo
    Portrait playful girl playing at construction exhibit in science center
    Teacher and students using touch screen computers — Stock Photo
    Teacher and students using touch screen computers
    Teacher and children in math class — Stock Photo
    Teacher and children in math class
    Kids playing at interactive exhibit in science center — Stock Photo
    Kids playing at interactive exhibit in science center
    Eacher teaching mathematics to children — Stock Photo
    Eacher teaching mathematics to children
    View from above kids playing at interactive exhibit in science center — Stock Photo
    View from above kids playing at interactive exhibit in science center
    Teacher showing toy airplane to kids in science center — Stock Photo
    Teacher showing toy airplane to kids in science center
    Portrait affectionate, cute schoolgirls hugging — Stock Photo
    Portrait affectionate, cute schoolgirls hugging
    Kids playing, stacking bricks at interactive construction exhibit in science center — Stock Photo
    Kids playing, stacking bricks at interactive construction exhibit in science center
    Portrait cute boy playing on slide — Stock Photo
    Portrait cute boy playing on slide
    Playful father lifting son — Stock Photo
    Playful father lifting son
    Kids playing in science center — Stock Photo
    Kids playing in science center
    Girls studying in classroom — Stock Photo
    Girls studying in classroom
    Girl drawing with colored pencils — Stock Photo
    Girl drawing with colored pencils
    Portrait cute boys hugging in science center — Stock Photo
    Portrait cute boys hugging in science center
    Boy playing guitar — Stock Photo
    Boy playing guitar
    Chinese school students studying in rural primary school — Stock Photo
    Chinese school students studying in rural primary school
    Female teacher teaching class — Stock Photo
    Female teacher teaching class
    Science teacher and curious students with anatomical models — Stock Photo
    Science teacher and curious students with anatomical models
    Primary school girls in rural primary schools — Stock Photo
    Primary school girls in rural primary schools
    Girl coloring at desk in classroom — Stock Photo
    Girl coloring at desk in classroom
    Portrait smiling boy stacking foam bricks at interactive construction exhibit in science center — Stock Photo
    Portrait smiling boy stacking foam bricks at interactive construction exhibit in science center
    Teacher and schoolgirl using laptop — Stock Photo
    Teacher and schoolgirl using laptop
    Curious kids stacking large dominos at interactive exhibit in science center — Stock Photo
    Curious kids stacking large dominos at interactive exhibit in science center
    Portrait of focused chinese schoolgirl studying in rural primary school — Stock Photo
    Portrait of focused chinese schoolgirl studying in rural primary school
    Girl using digital tablet in classroom — Stock Photo
    Girl using digital tablet in classroom
    Teacher watching girl writing on whiteboard — Stock Photo
    Teacher watching girl writing on whiteboard
    Kids playing with large dice in science center — Stock Photo
    Kids playing with large dice in science center
    Curious kids looking at rocks in display case in science center — Stock Photo
    Curious kids looking at rocks in display case in science center
    Curious kids watching exhibit in science center — Stock Photo
    Curious kids watching exhibit in science center
    Teacher and curious students with anatomical model in science center — Stock Photo
    Teacher and curious students with anatomical model in science center
    Schoolgirl scribbling on paper — Stock Photo
    Schoolgirl scribbling on paper
    Primary school students in rural primary school — Stock Photo
    Primary school students in rural primary school
    Chinese school students studying with books in rural primary school — Stock Photo
    Chinese school students studying with books in rural primary school
    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
    Teacher teaching girl — Stock Photo
    Teacher teaching girl
    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
    Curious girls playing at interactive exhibit in science center — Stock Photo
    Curious girls playing at interactive exhibit in science center
    Portrait cute kids in science center — Stock Photo
    Portrait cute kids in science center
    Portrait cute boy playing with foam bricks at interactive construction exhibit in science center — Stock Photo
    Portrait cute boy playing with foam bricks at interactive construction exhibit in science center
    Primary school students sitting at desks in rural primary school — Stock Photo
    Primary school students sitting at desks in rural primary school
    Silly girl making a face at rock exhibit display case in science center — Stock Photo
    Silly girl making a face at rock exhibit display case in science center
    Teacher and students at interactive exhibit in science center — Stock Photo
    Teacher and students at interactive exhibit in science center
    Happy female teacher teaching girl — Stock Photo
    Happy female teacher teaching girl
    Teacher and eager students in science center — Stock Photo
    Teacher and eager students in science center
    Male teacher watching girl writing — Stock Photo
    Male teacher watching girl writing
    Science teacher and students in laboratory — Stock Photo
    Science teacher and students in laboratory
    Male teacher teaching girl — Stock Photo
    Male teacher teaching girl
    Male chinese rural primary school teacher and pupils in classroom — Stock Photo
    Male chinese rural primary school teacher and pupils in classroom
    Playful girl in classroom — Stock Photo
    Playful girl in classroom
    Primary school students in rural primary school — Stock Photo
    Primary school students in rural primary school
    Cute little schoolgirl — Stock Photo
    Cute little schoolgirl
    Focused Chinese school students sitting at desks and studying in rural primary school — Stock Photo
    Focused Chinese school students sitting at desks and studying in rural primary school
    Teacher and student using laptop — Stock Photo
    Teacher and student using laptop
    African american student smiling in class — Stock Photo
    African american student smiling in class
    African american students smiling together — Stock Photo
    African american students smiling together
    Primary school students in rural primary school — Stock Photo
    Primary school students in rural primary school
    Boy playing at interactive construction exhibit in science center — Stock Photo
    Boy playing at interactive construction exhibit in science center