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    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
    Mature teacher explaining students — Stock Photo
    Mature teacher explaining students
    Girl doing her homework on street — Stock Photo
    Girl doing her homework on street
    Portrait smiling, confident female instructor with paperwork leading lesson at projection screen in classroom — Stock Photo
    Portrait smiling, confident female instructor with paperwork leading lesson at projection screen in classroom
    Grandfather and grandson playing chess in the garden — Stock Photo
    Grandfather and grandson playing chess in the garden
    Instructor helping female paramedic with CPR training outdoors. — Stock Photo
    Instructor helping female paramedic with CPR training outdoors.
    Male silhouette with arm pain, digital illustration. — Stock Photo
    Male silhouette with arm pain, digital illustration.
    Professor with muscular dystrophy working with students in a laboratory — Stock Photo
    Professor with muscular dystrophy working with students in a laboratory
    Schoolboy running to parents on street with report card — Stock Photo
    Schoolboy running to parents on street with report card
    Side view mid section of musician teenage girl sitting by a window in a shadow and playing a ukulele — Stock Photo
    Side view mid section of musician teenage girl sitting by a window in a shadow and playing a ukulele
    Student and teacher picking carrots in field — Stock Photo
    Student and teacher picking carrots in field
    Woman sitting on sofa — Stock Photo
    Woman sitting on sofa
    Smiling college students talking and drinking coffee in commons — Stock Photo
    Smiling college students talking and drinking coffee in commons
    Realistic body model showing female anatomy on white background, computer illustration. — Stock Photo
    Realistic body model showing female anatomy on white background, computer illustration.
    Students writing their GCSE exam in classroom — Stock Photo
    Students writing their GCSE exam in classroom
    Illustration of stomach in male body silhouette on black background. — Stock Photo
    Illustration of stomach in male body silhouette on black background.
    Visible skeleton in female body silhouette on black background, computer illustration. — Stock Photo
    Visible skeleton in female body silhouette on black background, computer illustration.
    Schoolkids studying in the classroom at school — Stock Photo
    Schoolkids studying in the classroom at school
    Young elegant woman in eyeglasses reading book while sitting on bench in city park — Stock Photo
    Young elegant woman in eyeglasses reading book while sitting on bench in city park
    Child sits at a computer — Stock Photo
    Child sits at a computer
    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
    Thoughtful little child at school — Stock Photo
    Thoughtful little child at school
    Bookshelves in room with comfortable chair nearby window in library of Texas — Stock Photo
    Bookshelves in room with comfortable chair nearby window in library of Texas
    Male anatomy showing Orbicularis oculi muscle, computer illustration. — Stock Photo
    Male anatomy showing Orbicularis oculi muscle, computer illustration.
    Male anatomy showing Vastus medialis muscle, computer illustration. — Stock Photo
    Male anatomy showing Vastus medialis muscle, computer illustration.
    Public Library Interior, modern building with book shelves — Stock Photo
    Public Library Interior, modern building with book shelves
    Front view mid section of female fashion student working on a design in a studio at fashion college — Stock Photo
    Front view mid section of female fashion student working on a design in a studio at fashion college
    Focused university student listening during seminar in classroom — Stock Photo
    Focused university student listening during seminar in classroom
    Caucasian boy wearing face mask, using his smartphone, maintaining social distancing at school. Primary education social distancing health safety during Covid19 Coronavirus pandemic. — Stock Photo
    Caucasian boy wearing face mask, using his smartphone, maintaining social distancing at school. Primary education social distancing health safety during Covid19 Coronavirus pandemic.
    University student raising hand in classroom at university — Stock Photo
    University student raising hand in classroom at university
    Multi ethnic group of elementary school children sitting at desks wearing face masks in classroom. Primary education social distancing health safety during Covid19 Coronavirus pandemic. — Stock Photo
    Multi ethnic group of elementary school children sitting at desks wearing face masks in classroom. Primary education social distancing health safety during Covid19 Coronavirus pandemic.
    Girl student examining and touching molecular structure in classroom — Stock Photo
    Girl student examining and touching molecular structure in classroom
    Cameraman with smart phone and equipment videoing speaker on stage — Stock Photo
    Cameraman with smart phone and equipment videoing speaker on stage
    Male anatomy showing Vastus lateralis muscle, computer illustration. — Stock Photo
    Male anatomy showing Vastus lateralis muscle, computer illustration.
    Children Green Science Fair event. — Stock Photo
    Children Green Science Fair event.
    Mixed race girl wearing face mask while sitting at desk in classroom. Primary education social distancing health safety during Covid19 Coronavirus pandemic. — Stock Photo
    Mixed race girl wearing face mask while sitting at desk in classroom. Primary education social distancing health safety during Covid19 Coronavirus pandemic.
    Art teacher with student in studio — Stock Photo
    Art teacher with student in studio
    Male electrician student practicing in workshop — Stock Photo
    Male electrician student practicing in workshop
    Grandparents at dining table with grandchildren doing homework — Stock Photo
    Grandparents at dining table with grandchildren doing homework
    Male anatomy showing External oblique muscle, computer illustration. — Stock Photo
    Male anatomy showing External oblique muscle, computer illustration.
    Schoolkids standing in school campus on a sunny day — Stock Photo
    Schoolkids standing in school campus on a sunny day
    Anatomical male body with colored thyroid gland, computer illustration. — Stock Photo
    Anatomical male body with colored thyroid gland, computer illustration.
    Smiling female artists moving painted mirror in art class workshop — Stock Photo
    Smiling female artists moving painted mirror in art class workshop
    Female student with headphones using smart phone in classroom — Stock Photo
    Female student with headphones using smart phone in classroom
    Portrait close up of a young African schoolboy wearing his school uniform and schoolbag, looking straight to camera smiling, at a township elementary school — Stock Photo
    Portrait close up of a young African schoolboy wearing his school uniform and schoolbag, looking straight to camera smiling, at a township elementary school
    Kids playing with toy bricks at interactive construction exhibit in science center — Stock Photo
    Kids playing with toy bricks at interactive construction exhibit in science center
    Nervous system of female upper body, computer illustration. — Stock Photo
    Nervous system of female upper body, computer illustration.
    Mid section illustration of pancreas in male body silhouette. — Stock Photo
    Mid section illustration of pancreas in male body silhouette.
    Serious mother and kids spending time together using gadgets on sofa at home — Stock Photo
    Serious mother and kids spending time together using gadgets on sofa at home
    Focused boy student programming at computer in dark classroom — Stock Photo
    Focused boy student programming at computer in dark classroom
    Young college student using tablet while sitting at desk in classroom — Stock Photo
    Young college student using tablet while sitting at desk in classroom
    Human silhouette with pink illuminated brain on black background, digital illustration. — Stock Photo
    Human silhouette with pink illuminated brain on black background, digital illustration.
    Illustration of painful lumbar spine in human skeleton on blue background. — Stock Photo
    Illustration of painful lumbar spine in human skeleton on blue background.
    Instructor training students about air conditioning units in HVAC classroom — Stock Photo
    Instructor training students about air conditioning units in HVAC classroom
    Hand of teacher pointing to molecular structure on projection screen — Stock Photo
    Hand of teacher pointing to molecular structure on projection screen
    Close-up of girl reading book with hand on head — Stock Photo
    Close-up of girl reading book with hand on head
    Side view of a teenage Caucasian boy holding sitting in front of a window in a classroom holding a French horn with a multi-ethnic group of teenage male and female musicians sitting behind him — Stock Photo
    Side view of a teenage Caucasian boy holding sitting in front of a window in a classroom holding a French horn with a multi-ethnic group of teenage male and female musicians sitting behind him
    Boy looking at laptop in dark room — Stock Photo
    Boy looking at laptop in dark room
    Abstract male neck bones, computer illustration. — Stock Photo
    Abstract male neck bones, computer illustration.
    Illustration of ureters in male body silhouette on white background. — Stock Photo
    Illustration of ureters in male body silhouette on white background.