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    Close-up of a stack of hardback books — Stock Photo
    Close-up of a stack of hardback books
    Boy reading book — Stock Photo
    Boy reading book
    Girls and boys in Science Club — Stock Photo
    Girls and boys in Science Club
    Young teacher helping students in classroom — Stock Photo
    Young teacher helping students in classroom
    From above closed book with blue cover placed on wooden fence in sunny day with beach on the background — Stock Photo
    From above closed book with blue cover placed on wooden fence in sunny day with beach on the background
    Front view of a middle aged African female school teacher standing at the front of the class in front of the blackboard with the rear view of pupils sitting at their desks with hands raised in the foreground during a lesson — Stock Photo
    Front view of a middle aged African female school teacher standing at the front of the class in front of the blackboard with the rear view of pupils sitting at their desks with hands raised in the foreground during a lesson
    Mature woman teaching students in lab — Stock Photo
    Mature woman teaching students in lab
    Girl coloring at desk in classroom — Stock Photo
    Girl coloring at desk in classroom
    Little kid standing at blackboard in classroom — Stock Photo
    Little kid standing at blackboard in classroom
    Cute boy sitting at table — Stock Photo
    Cute boy sitting at table
    Teacher explaining to junior high students — Stock Photo
    Teacher explaining to junior high students
    Young Students in classroom — Stock Photo
    Young Students in classroom
    University professor with Muscular Dystrophy teaching students in a classroom — Stock Photo
    University professor with Muscular Dystrophy teaching students in a classroom
    Girl in a science class — Stock Photo
    Girl in a science class
    Schoolboy using digital tablet — Stock Photo
    Schoolboy using digital tablet
    Junior high students — Stock Photo
    Junior high students
    Female teacher teaching class — Stock Photo
    Female teacher teaching class
    Three children using a laptop — Stock Photo
    Three children using a laptop
    Teacher explaining mathematics — Stock Photo
    Teacher explaining mathematics
    Girls learning in classroom — Stock Photo
    Girls learning in classroom
    Boy standing at a podium — Stock Photo
    Boy standing at a podium
    Serious schoolboy sitting at desk — Stock Photo
    Serious schoolboy sitting at desk
    Teacher and Young Students — Stock Photo
    Teacher and Young Students
    Front view of a high school teenage Caucasian boy and teenage mixed race boy in a school classroom sitting a desk, working together, writing and reading in their books, with teenage male and female classmates — Stock Photo
    Front view of a high school teenage Caucasian boy and teenage mixed race boy in a school classroom sitting a desk, working together, writing and reading in their books, with teenage male and female classmates
    Portrait of happy students — Stock Photo
    Portrait of happy students
    Happy high school students clapping in debate class — Stock Photo
    Happy high school students clapping in debate class
    Students and teacher playing in classroom — Stock Photo
    Students and teacher playing in classroom
    Girl writing in chalk on a chalkboard. — Stock Photo
    Girl writing in chalk on a chalkboard.
    Chinese school students studying with books in rural primary school — Stock Photo
    Chinese school students studying with books in rural primary school
    High-rise buildings trying to catch mortarboard — Stock Photo
    High-rise buildings trying to catch mortarboard
    Side view close up of a teenage mixed-race boy in a school classroom sitting at desk, concentrating, with teenage male and female classmates sitting at desks working in the background — Stock Photo
    Side view close up of a teenage mixed-race boy in a school classroom sitting at desk, concentrating, with teenage male and female classmates sitting at desks working in the background
    Young college students studying together — Stock Photo
    Young college students studying together
    Schoolkids studying in the classroom at school — Stock Photo
    Schoolkids studying in the classroom at school
    Caucasian male doctor wearing face shield measuring temperature of caucasian girl at school. health protection and safety at school during covid-19 pandemic concept — Stock Photo
    Caucasian male doctor wearing face shield measuring temperature of caucasian girl at school. health protection and safety at school during covid-19 pandemic concept
    Schoolgirl writing on chalkboard in classroom at school — Stock Photo
    Schoolgirl writing on chalkboard in classroom at school
    Boy writing in book — Stock Photo
    Boy writing in book
    Children painting in class indoors — Stock Photo
    Children painting in class indoors
    High school boy student taking notes, writing in notebook in classroom — Stock Photo
    High school boy student taking notes, writing in notebook in classroom
    Empty blackboard in store — Stock Photo
    Empty blackboard in store
    Caucasian girl using laptop during the lesson. Primary education social distancing health safety during Covid19 Coronavirus pandemic. — Stock Photo
    Caucasian girl using laptop during the lesson. Primary education social distancing health safety during Covid19 Coronavirus pandemic.
    Attentive university student doing a chemical experiment in laboratory — Stock Photo
    Attentive university student doing a chemical experiment in laboratory
    Trainer training the shepherd dog in the field on a sunny day — Stock Photo
    Trainer training the shepherd dog in the field on a sunny day
    Portrait of happy mixed race male conservation volunteer cleaning up forest in the countryside, holding rubbish bag, smiling to camera. Ecology and social responsibility in rural environment. — Stock Photo
    Portrait of happy mixed race male conservation volunteer cleaning up forest in the countryside, holding rubbish bag, smiling to camera. Ecology and social responsibility in rural environment.
    Woman turning pages — Stock Photo
    Woman turning pages
    Illustration of Earth planet in sunlight shadow from space. — Stock Photo
    Illustration of Earth planet in sunlight shadow from space.
    Smiling teenage musicians recording music, singing in sound booth — Stock Photo
    Smiling teenage musicians recording music, singing in sound booth
    3d illustration of egg cell frozen into ice cube. — Stock Photo
    3d illustration of egg cell frozen into ice cube.
    Smiling young woman with headphones riding bicycle on city street — Stock Photo
    Smiling young woman with headphones riding bicycle on city street
    Young man wearing glasses — Stock Photo
    Young man wearing glasses
    Father with calculator helping son doing math homework — Stock Photo
    Father with calculator helping son doing math homework
    Focused high school boy student taking exam at desk in classroom — Stock Photo
    Focused high school boy student taking exam at desk in classroom
    School boy studying in classroom — Stock Photo
    School boy studying in classroom
    Male conductor leading women choir with sheet music singing in music recording studio — Stock Photo
    Male conductor leading women choir with sheet music singing in music recording studio
    Abstract male head and neck bones, computer illustration. — Stock Photo
    Abstract male head and neck bones, computer illustration.
    Male teacher leading lesson at projection screen in classroom with students raising hands — Stock Photo
    Male teacher leading lesson at projection screen in classroom with students raising hands
    Daughter reading book — Stock Photo
    Daughter reading book
    Smiling young woman with Down Syndrome kneading dough — Stock Photo
    Smiling young woman with Down Syndrome kneading dough
    Female student writing at desk in classroom — Stock Photo
    Female student writing at desk in classroom
    Medical illustration of visible bronchi in human body. — Stock Photo
    Medical illustration of visible bronchi in human body.
    Group of multi ethnic kids sitting on their desk during the lesson with a female teacher wearing a face mask. Primary education social distancing health safety during Covid19 Coronavirus pandemic. — Stock Photo
    Group of multi ethnic kids sitting on their desk during the lesson with a female teacher wearing a face mask. Primary education social distancing health safety during Covid19 Coronavirus pandemic.