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    Portrait of a Caucasian teenage boy sitting at a desk in a school classroom looking out of the window, thinking — Stock Photo
    Portrait of a Caucasian teenage boy sitting at a desk in a school classroom looking out of the window, thinking
    Portrait of confident schoolgirl — Stock Photo
    Portrait of confident schoolgirl
    Liquid in bottles, test tubes and beakers in science laboratory classroom — Stock Photo
    Liquid in bottles, test tubes and beakers in science laboratory classroom
    Student in wheelchair studying furnace electronic control system in HVAC classroom — Stock Photo
    Student in wheelchair studying furnace electronic control system in HVAC classroom
    Kids playing at interactive exhibit in science center — Stock Photo
    Kids playing at interactive exhibit in science center
    Girl using digital tablet in classroom — Stock Photo
    Girl using digital tablet in classroom
    College students using laptop and drinking coffee — Stock Photo
    College students using laptop and drinking coffee
    Boy sitting at a table doing his homework — Stock Photo
    Boy sitting at a table doing his homework
    Asian girl using laptop learning online her mum helping her. at home in isolation during quarantine lockdown. — Stock Photo
    Asian girl using laptop learning online her mum helping her. at home in isolation during quarantine lockdown.
    A child working at home, writing in a notebook, home schooling, during a lockdown — Stock Photo
    A child working at home, writing in a notebook, home schooling, during a lockdown
    Boy writing on paper at desk — Stock Photo
    Boy writing on paper at desk
    Portrait enthusiastic college graduates in cap and gown holding diplomas — Stock Photo
    Portrait enthusiastic college graduates in cap and gown holding diplomas
    Male student holding books and smiling at camera with other students in background — Stock Photo
    Male student holding books and smiling at camera with other students in background
    Young girl with headphones using computer at home — Stock Photo
    Young girl with headphones using computer at home
    Female artist sketching on floor in art class studio — Stock Photo
    Female artist sketching on floor in art class studio
    Portrait confident happy young female college student in library — Stock Photo
    Portrait confident happy young female college student in library
    Illustration of human gallbladder in body silhouette. — Stock Photo
    Illustration of human gallbladder in body silhouette.
    Pencil and shavings from sharpening, leaning against the violet wall, reflecting the shadow with direct light. Back to school concept — Stock Photo
    Pencil and shavings from sharpening, leaning against the violet wall, reflecting the shadow with direct light. Back to school concept
    Crop unrecognizable woman and little child sitting at table and drawing with markers in notebook — Stock Photo
    Crop unrecognizable woman and little child sitting at table and drawing with markers in notebook
    Smiling active senior women talking in exercise class — Stock Photo
    Smiling active senior women talking in exercise class
    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
    Portrait of confident male teacher — Stock Photo
    Portrait of confident male teacher
    Community college students watching instructor leading lesson at projection screen in classroom — Stock Photo
    Community college students watching instructor leading lesson at projection screen in classroom
    Digital illustration of human bone anatomy. — Stock Photo
    Digital illustration of human bone anatomy.
    Junior high students using computer in computer lab — Stock Photo
    Junior high students using computer in computer lab
    High angle view of rural female teacher and chinese pupils raising hands and smiling at camera in classroom — Stock Photo
    High angle view of rural female teacher and chinese pupils raising hands and smiling at camera in classroom
    Thoughtful woman with book standing in the library — Stock Photo
    Thoughtful woman with book standing in the library
    Back view of unrecognizable female doctor looking through modern microscope while at sample while working in modern clinic — Stock Photo
    Back view of unrecognizable female doctor looking through modern microscope while at sample while working in modern clinic
    Two multi ethnic boys sitting at desks wearing face masks in classroom. Primary education social distancing health safety during Covid19 Coronavirus pandemic. — Stock Photo
    Two multi ethnic boys sitting at desks wearing face masks in classroom. Primary education social distancing health safety during Covid19 Coronavirus pandemic.
    College students using smart phones and drinking cappuccinos at cafe table — Stock Photo
    College students using smart phones and drinking cappuccinos at cafe table
    Happy young African American female student in casual outfit lying on comfortable bed and reading book at home — Stock Photo
    Happy young African American female student in casual outfit lying on comfortable bed and reading book at home
    Nervous system of female upper body, computer illustration. — Stock Photo
    Nervous system of female upper body, computer illustration.
    Community college instructor helping student with headphones at computer in computer lab classroom — Stock Photo
    Community college instructor helping student with headphones at computer in computer lab classroom
    Chef helping student with Down Syndrome baking muffins in kitchen — Stock Photo
    Chef helping student with Down Syndrome baking muffins in kitchen
    College students taking test at desks in classroom — Stock Photo
    College students taking test at desks in classroom
    Illustration of gallbladder in male body silhouette on white background. — Stock Photo
    Illustration of gallbladder in male body silhouette on white background.
    Happy asian family celebrating hari raya at home and cooking at kitchen — Stock Photo
    Happy asian family celebrating hari raya at home and cooking at kitchen
    Diseased bladder in abstract human body, conceptual digital illustration. — Stock Photo
    Diseased bladder in abstract human body, conceptual digital illustration.
    From above crop male student hands holding denture and paste while sitting at table during dentistry class — Stock Photo
    From above crop male student hands holding denture and paste while sitting at table during dentistry class
    Portrait of a mixed race girl smiling while sitting on her desk at school. Primary education social distancing health safety during Covid19 Coronavirus pandemic. — Stock Photo
    Portrait of a mixed race girl smiling while sitting on her desk at school. Primary education social distancing health safety during Covid19 Coronavirus pandemic.
    Focused male college student using smart phone — Stock Photo
    Focused male college student using smart phone
    Illustration of human spleen in body silhouette. — Stock Photo
    Illustration of human spleen in body silhouette.
    Chinese schoolgirls holding smartphone in school yard — Stock Photo
    Chinese schoolgirls holding smartphone in school yard
    Woman using mobile phone in library — Stock Photo
    Woman using mobile phone in library
    Side view of a Caucasian teenage girl sitting on the edge of the stage holding a script in an empty school theatre during rehearsals for a performance — Stock Photo
    Side view of a Caucasian teenage girl sitting on the edge of the stage holding a script in an empty school theatre during rehearsals for a performance
    Woman with Spina Bifida sitting in a wheelchair and smiling — Stock Photo
    Woman with Spina Bifida sitting in a wheelchair and smiling
    Mature female student adjusting headphones at computer in classroom — Stock Photo
    Mature female student adjusting headphones at computer in classroom
    Colored large intestine in female body silhouette, digital illustration. — Stock Photo
    Colored large intestine in female body silhouette, digital illustration.
    University students talking indoors — Stock Photo
    University students talking indoors
    Male anatomy showing Latissimus dorsi muscle, computer illustration. — Stock Photo
    Male anatomy showing Latissimus dorsi muscle, computer illustration.
    College students walking and talking in corridor — Stock Photo
    College students walking and talking in corridor
    Boy at Green Science Fair sign — Stock Photo
    Boy at Green Science Fair sign
    Chinese man in headphones using laptop in cafe — Stock Photo
    Chinese man in headphones using laptop in cafe
    Young man using mobile phone in library — Stock Photo
    Young man using mobile phone in library
    Upper leg bones in x-ray computer illustration of human body. — Stock Photo
    Upper leg bones in x-ray computer illustration of human body.
    Male nervous system in body silhouette, computer illustration. — Stock Photo
    Male nervous system in body silhouette, computer illustration.
    Young woman photographing friends with instant camera at table — Stock Photo
    Young woman photographing friends with instant camera at table
    3d rendered illustration of knee menisci in human skeleton. — Stock Photo
    3d rendered illustration of knee menisci in human skeleton.
    Female body with visible musculature, digital illustration. — Stock Photo
    Female body with visible musculature, digital illustration.
    Elementary school pupils looking through window inside elementary school building — Stock Photo
    Elementary school pupils looking through window inside elementary school building