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    High school teacher leading lesson, calling on students with arms raised in classroom — Stock Photo
    High school teacher leading lesson, calling on students with arms raised in classroom
    Young college student digital tablet in campus — Stock Photo
    Young college student digital tablet in campus
    Modern serious young male with stylish haircut in gray warm sweater touching hair and looking at camera while standing on city street — Stock Photo
    Modern serious young male with stylish haircut in gray warm sweater touching hair and looking at camera while standing on city street
    Male freelancer using laptop and smartphone in cafeteria — Stock Photo
    Male freelancer using laptop and smartphone in cafeteria
    Teacher and students on campus — Stock Photo
    Teacher and students on campus
    Students and teachers smiling in forest — Stock Photo
    Students and teachers smiling in forest
    Young woman talking with male friend — Stock Photo
    Young woman talking with male friend
    Woman using copy machine in library — Stock Photo
    Woman using copy machine in library
    Young asian college students posing against wall — Stock Photo
    Young asian college students posing against wall
    College students concentrating during lesson in classroom — Stock Photo
    College students concentrating during lesson in classroom
    Side view of stylish man in bright headphones surfing mobile phone while leaning on marble wall in sunny day — Stock Photo
    Side view of stylish man in bright headphones surfing mobile phone while leaning on marble wall in sunny day
    Anxious teenage girl hiding under speaker desk on stage — Stock Photo
    Anxious teenage girl hiding under speaker desk on stage
    Hand of university student doing a chemical experiment in laboratory — Stock Photo
    Hand of university student doing a chemical experiment in laboratory
    Thoughtful teenager in black hooded jacket standing on street with exclamation sign and looking away — Stock Photo
    Thoughtful teenager in black hooded jacket standing on street with exclamation sign and looking away
    Woman playing guitar sitting on her couch at home and learning with online lessons and some masks are hanging due to containment. Behind it is a brick wall — Stock Photo
    Woman playing guitar sitting on her couch at home and learning with online lessons and some masks are hanging due to containment. Behind it is a brick wall
    Cropped view of hands of man writing in book with female classmate in background — Stock Photo
    Cropped view of hands of man writing in book with female classmate in background
    Smiling chef teacher and students in cooking class kitchen — Stock Photo
    Smiling chef teacher and students in cooking class kitchen
    Young woman picking up a book from the bookshelf — Stock Photo
    Young woman picking up a book from the bookshelf
    Happy man in library — Stock Photo
    Happy man in library
    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
    Positive young woman taking notes in notebook during phone conversation while sitting at table in outdoor cafe in city — Stock Photo
    Positive young woman taking notes in notebook during phone conversation while sitting at table in outdoor cafe in city
    Young male basketball players playing basketball on court in gymnasium — Stock Photo
    Young male basketball players playing basketball on court in gymnasium
    College friends leaning on brick wall — Stock Photo
    College friends leaning on brick wall
    Creative young business people brainstorming at laptop in sunny office — Stock Photo
    Creative young business people brainstorming at laptop in sunny office
    Teenage female student looking at laptop while studying at desk in classroom — Stock Photo
    Teenage female student looking at laptop while studying at desk in classroom
    Young happy female in wireless earphones and denim jacket using smartphone to take a selfie and laptop while relaxing on bed in modern apartment — Stock Photo
    Young happy female in wireless earphones and denim jacket using smartphone to take a selfie and laptop while relaxing on bed in modern apartment
    Girls and boys in Science Club — Stock Photo
    Girls and boys in Science Club
    Smiling college students talking in corridor — Stock Photo
    Smiling college students talking in corridor
    Teenage girl reading book at home in early morning light — Stock Photo
    Teenage girl reading book at home in early morning light
    Teacher assisting university students in their studies in classroom — Stock Photo
    Teacher assisting university students in their studies in classroom
    Side view of female student typing on netbook while sitting at table with book and doing homework in university library — Stock Photo
    Side view of female student typing on netbook while sitting at table with book and doing homework in university library
    Pensive young man standing on city square in sun flare and looking away. — Stock Photo
    Pensive young man standing on city square in sun flare and looking away.
    Teacher at blackboard explaining formulas to lawyers — Stock Photo
    Teacher at blackboard explaining formulas to lawyers
    Young man selecting books in library — Stock Photo
    Young man selecting books in library
    Front view of a young Asian female student wearing a turban and headphones, using a smartphone, a laptop computer and studying in a library — Stock Photo
    Front view of a young Asian female student wearing a turban and headphones, using a smartphone, a laptop computer and studying in a library
    College student looking away outdoors — Stock Photo
    College student looking away outdoors
    Female junior high teacher helping girl student at computer in computer lab — Stock Photo
    Female junior high teacher helping girl student at computer in computer lab
    Unrecognizable chemist taking blue fluid with pipette while conducting experiment in modern lab — Stock Photo
    Unrecognizable chemist taking blue fluid with pipette while conducting experiment in modern lab
    Junior high students talking and studying at stairs — Stock Photo
    Junior high students talking and studying at stairs
    Side view of young female student browsing social networks on mobile phone near table with fresh fruits and juice while spending morning at home — Stock Photo
    Side view of young female student browsing social networks on mobile phone near table with fresh fruits and juice while spending morning at home
    Eager, smiling students raising hands in science laboratory classroom — Stock Photo
    Eager, smiling students raising hands in science laboratory classroom
    Focused high school boy taking exam at desk in classroom — Stock Photo
    Focused high school boy taking exam at desk in classroom
    Teacher and Young Students — Stock Photo
    Teacher and Young Students
    Portrait of Beautiful woman in library — Stock Photo
    Portrait of Beautiful woman in library
    Teenage girl student practicing sewing on modern machine in cozy workshop — Stock Photo
    Teenage girl student practicing sewing on modern machine in cozy workshop
    Happy young female college students laughing at computer in library — Stock Photo
    Happy young female college students laughing at computer in library
    Multi ethnic group of chefs cooking in a modern busy kitchen, instructing slicing food. Cookery class at a restaurant kitchen. Workshop cooking food. — Stock Photo
    Multi ethnic group of chefs cooking in a modern busy kitchen, instructing slicing food. Cookery class at a restaurant kitchen. Workshop cooking food.
    Focused college student using digital tablet in science laboratory classroom — Stock Photo
    Focused college student using digital tablet in science laboratory classroom
    Portrait of a teenage girl with red hair; Abbotsford, British Columbia, Canada — Stock Photo
    Portrait of a teenage girl with red hair; Abbotsford, British Columbia, Canada
    Cheerful classmates in school uniform on street — Stock Photo
    Cheerful classmates in school uniform on street
    Professor watching college students taking test in classroom — Stock Photo
    Professor watching college students taking test in classroom
    Thoughtful woman standing with arms crossed in the library — Stock Photo
    Thoughtful woman standing with arms crossed in the library
    Side view of a Caucasian sad teenage girl sitting on the ground alone in a schoolyard in a high school — Stock Photo
    Side view of a Caucasian sad teenage girl sitting on the ground alone in a schoolyard in a high school
    Students in a classroom — Stock Photo
    Students in a classroom
    Front view mid section of teenage boy musician standing playing a saxophone front of a window during a school band practice — Stock Photo
    Front view mid section of teenage boy musician standing playing a saxophone front of a window during a school band practice
    College students using laptop and drinking coffee — Stock Photo
    College students using laptop and drinking coffee
    Young little asian toddler girl playing with educational toys — Stock Photo
    Young little asian toddler girl playing with educational toys
    Focused high school girl student taking exam at desk in classroom — Stock Photo
    Focused high school girl student taking exam at desk in classroom
    Teen girl looking at her smartphone on the street on a sunny day — Stock Photo
    Teen girl looking at her smartphone on the street on a sunny day
    Chinese business couple with children walking hand in hand at street — Stock Photo
    Chinese business couple with children walking hand in hand at street