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    Father assisting her daughter in doing homework at home — Stock Photo
    Father assisting her daughter in doing homework at home
    Junior high schoolgirls — Stock Photo
    Junior high schoolgirls
    3d illustration of optical light guide cables in grey and red with open ends which shining brightly. — Stock Photo
    3d illustration of optical light guide cables in grey and red with open ends which shining brightly.
    Portrait confident junior high students on stairs — Stock Photo
    Portrait confident junior high students on stairs
    Artists sketching in art class studio — Stock Photo
    Artists sketching in art class studio
    Overhead view of a young Asian female student wearing a turban using a laptop computer and studying in a library — Stock Photo
    Overhead view of a young Asian female student wearing a turban using a laptop computer and studying in a library
    Haemophilus ducreyi bacteria, digital illustration. — Stock Photo
    Haemophilus ducreyi bacteria, digital illustration.
    Portrait of female media student standing — Stock Photo
    Portrait of female media student standing
    Two clay jugs — Stock Photo
    Two clay jugs
    First-aiders practicing cardiopulmonary resuscitation on training dummy. — Stock Photo
    First-aiders practicing cardiopulmonary resuscitation on training dummy.
    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
    Girl with classmates stirring a beaker with yellow liquid — Stock Photo
    Girl with classmates stirring a beaker with yellow liquid
    Enthusiastic woman cheering in audience — Stock Photo
    Enthusiastic woman cheering in audience
    Resting woman in casual wear and trendy sunglasses reading book during refreshment in outdoors bar — Stock Photo
    Resting woman in casual wear and trendy sunglasses reading book during refreshment in outdoors bar
    Serious boy student holding molecular structure in classroom — Stock Photo
    Serious boy student holding molecular structure in classroom
    Low angle view of anatomical model showing female anatomy and internal organs, computer illustration. — Stock Photo
    Low angle view of anatomical model showing female anatomy and internal organs, computer illustration.
    Illustration of human muscles on white background. — Stock Photo
    Illustration of human muscles on white background.
    Modern university buildings, wooden beams projecting from a curved wood cladding wall, on a curved ground surface — Stock Photo
    Modern university buildings, wooden beams projecting from a curved wood cladding wall, on a curved ground surface
    Group of artists standing and sitting at easels and drawing. — Stock Photo
    Group of artists standing and sitting at easels and drawing.
    Male teacher and boy student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and boy student using microscope, conducting scientific experiment in laboratory classroom
    Positive young mother and adorable little son sitting at table and reading childrens book together — Stock Photo
    Positive young mother and adorable little son sitting at table and reading childrens book together
    Video conference on laptop screen in branch teepee — Stock Photo
    Video conference on laptop screen in branch teepee
    Boy wearing headphones as playing with building blocks while hearing test, female doctor in background. — Stock Photo
    Boy wearing headphones as playing with building blocks while hearing test, female doctor in background.
    Caucasian woman spending time at home, sitting on bed in bedroom studying from home, holding book and making notes. Social distancing during Covid 19 Coronavirus quarantine lockdown. — Stock Photo
    Caucasian woman spending time at home, sitting on bed in bedroom studying from home, holding book and making notes. Social distancing during Covid 19 Coronavirus quarantine lockdown.
    Boy with laptop sitting on pile of books — Stock Photo
    Boy with laptop sitting on pile of books
    Girl examining mealworm under microscope — Stock Photo
    Girl examining mealworm under microscope
    Student with laptop in classroom — Stock Photo
    Student with laptop in classroom
    College students studying together in sunny classroom — Stock Photo
    College students studying together in sunny classroom
    College students talking in classroom — Stock Photo
    College students talking in classroom
    Male anatomy showing Vastus lateralis muscle, computer illustration. — Stock Photo
    Male anatomy showing Vastus lateralis muscle, computer illustration.
    Illustration of inflamed kidneys in human body silhouette. — Stock Photo
    Illustration of inflamed kidneys in human body silhouette.
    3d illustration of cancer cells attacked and killed by lymphocytes. — Stock Photo
    3d illustration of cancer cells attacked and killed by lymphocytes.
    Young students studying in classroom — Stock Photo
    Young students studying in classroom
    Asian Couple looking at the books at book stands, New York, USA — Stock Photo
    Asian Couple looking at the books at book stands, New York, USA
    Boys and girls, working in class — Stock Photo
    Boys and girls, working in class
    Caucasian male teacher measuring temperature of group of students standing in a queue at school. hygiene and social distancing at school during covid 19 pandemic — Stock Photo
    Caucasian male teacher measuring temperature of group of students standing in a queue at school. hygiene and social distancing at school during covid 19 pandemic
    Young woman picking up a book from the bookshelf in library — Stock Photo
    Young woman picking up a book from the bookshelf in library
    Women friends high-fiving, preparing zip line equipment — Stock Photo
    Women friends high-fiving, preparing zip line equipment
    Male skeleton in transparent body silhouette, computer illustration. — Stock Photo
    Male skeleton in transparent body silhouette, computer illustration.
    Pretty woman in glasses reading a book — Stock Photo
    Pretty woman in glasses reading a book
    Colored large intestine in female body silhouette, digital illustration. — Stock Photo
    Colored large intestine in female body silhouette, digital illustration.
    Students with Down Syndrome measuring dough in kitchen — Stock Photo
    Students with Down Syndrome measuring dough in kitchen
    Young collage student using computer and mobile device studying online. Education and online learning. — Stock Photo
    Young collage student using computer and mobile device studying online. Education and online learning.
    Male student making notes on street — Stock Photo
    Male student making notes on street
    Young adults studying in apartment — Stock Photo
    Young adults studying in apartment
    Young woman pets her cat while she is working from home — Stock Photo
    Young woman pets her cat while she is working from home
    Full body of happy young female taking notes in notebook on checkered fabric with backpack near bicycle in park — Stock Photo
    Full body of happy young female taking notes in notebook on checkered fabric with backpack near bicycle in park
    Attentive girl experimenting molecule at home — Stock Photo
    Attentive girl experimenting molecule at home
    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.
    Young man and cute toddler girl playing together on stony seaside — Stock Photo
    Young man and cute toddler girl playing together on stony seaside
    Illustration of human hand bones on white background. — Stock Photo
    Illustration of human hand bones on white background.
    Illustration of cervical spine in human skeleton. — Stock Photo
    Illustration of cervical spine in human skeleton.
    Illustration of human nervous receptors on black background. — Stock Photo
    Illustration of human nervous receptors on black background.
    African american student raising hand in class — Stock Photo
    African american student raising hand in class
    3d anatomical model demonstrating female anatomy and internal organs in obese body in front view, computer illustration. — Stock Photo
    3d anatomical model demonstrating female anatomy and internal organs in obese body in front view, computer illustration.
    Student looking away while studying — Stock Photo
    Student looking away while studying
    Front view close up of a Caucasian teenage boy sitting at a desk in a school classroom writing in a notebook, with a classmate sitting at a desk in the background — Stock Photo
    Front view close up of a Caucasian teenage boy sitting at a desk in a school classroom writing in a notebook, with a classmate sitting at a desk in the background
    Illustration of senior woman blue silhouette with highlighted liver on white background. — Stock Photo
    Illustration of senior woman blue silhouette with highlighted liver on white background.
    Students talking by school — Stock Photo
    Students talking by school
    Male anatomy showing Deltoid muscle, computer illustration. — Stock Photo
    Male anatomy showing Deltoid muscle, computer illustration.