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    Rear view of a professor with Muscular Dystrophty sitting in a wheelchair — Stock Photo
    Rear view of a professor with Muscular Dystrophty sitting in a wheelchair
    Thoughtful schoolgirl smiling — Stock Photo
    Thoughtful schoolgirl smiling
    Teacher and students conducting scientific experiment — Stock Photo
    Teacher and students conducting scientific experiment
    From above of crop student with artificial dental model and bur learning training in dental treatments during class in laboratory — Stock Photo
    From above of crop student with artificial dental model and bur learning training in dental treatments during class in laboratory
    Young Chinese women having a discussion at home — Stock Photo
    Young Chinese women having a discussion at home
    Smiling female artists painting in art class workshop — Stock Photo
    Smiling female artists painting in art class workshop
    Hand of teacher pointing to molecular structure on projection screen — Stock Photo
    Hand of teacher pointing to molecular structure on projection screen
    Junior high school students participating with hands raised in classroom — Stock Photo
    Junior high school students participating with hands raised in classroom
    High school teacher leading geography lesson at projection screen in classroom — Stock Photo
    High school teacher leading geography lesson at projection screen in classroom
    Elevated view of a middle aged African female school teacher helping two young African schoolboys sitting at their desk during a lesson in a township elementary school classroom, while classmates are busy reading and writing in their books — Stock Photo
    Elevated view of a middle aged African female school teacher helping two young African schoolboys sitting at their desk during a lesson in a township elementary school classroom, while classmates are busy reading and writing in their books
    Administrator businessman leading conference in hospital — Stock Photo
    Administrator businessman leading conference in hospital
    Side view of concentrated man with backpack studying at laptop and writing on a notepad sitting in park grass with crossed legs in sunny day — Stock Photo
    Side view of concentrated man with backpack studying at laptop and writing on a notepad sitting in park grass with crossed legs in sunny day
    Pharmaceutical businessman explaining medication at podium at conference — Stock Photo
    Pharmaceutical businessman explaining medication at podium at conference
    Students raising hands in classroom — Stock Photo
    Students raising hands in classroom
    Women at sewing machines taking sewing class — Stock Photo
    Women at sewing machines taking sewing class
    Female teacher helping junior high school students doing homework at desk in classroom — Stock Photo
    Female teacher helping junior high school students doing homework at desk in classroom
    Doctors undertaking cardiopulmonary resuscitation training on dummies. — Stock Photo
    Doctors undertaking cardiopulmonary resuscitation training on dummies.
    Portrait enthusiastic junior high students and teachers cheering with arms raised — Stock Photo
    Portrait enthusiastic junior high students and teachers cheering with arms raised
    Concentrated man with backpack studying at laptop sitting in park grass with crossed legs in sunny day — Stock Photo
    Concentrated man with backpack studying at laptop sitting in park grass with crossed legs in sunny day
    Top view of colorful notebook and planner placed near sticky notes and laptop on yellow table — Stock Photo
    Top view of colorful notebook and planner placed near sticky notes and laptop on yellow table
    Male teacher teaching students in the classroom at school — Stock Photo
    Male teacher teaching students in the classroom at school
    Young Hispanic curly haired woman in denim outfit and glasses looking at camera while sitting with laptop on wooden bench in enclosed urban passage — Stock Photo
    Young Hispanic curly haired woman in denim outfit and glasses looking at camera while sitting with laptop on wooden bench in enclosed urban passage
    Life science technician using micropipette in laboratory. — Stock Photo
    Life science technician using micropipette in laboratory.
    Kids smelling scents at interactive exhibit in science center — Stock Photo
    Kids smelling scents at interactive exhibit in science center
    Female and male doctors practicing cardiopulmonary resuscitation on infant training dummies. — Stock Photo
    Female and male doctors practicing cardiopulmonary resuscitation on infant training dummies.
    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
    Male teacher calling on students in classroom — Stock Photo
    Male teacher calling on students in classroom
    Focused young Latin American female student taking notes in planner while working on laptop preparing for university exam in cozy cafe — Stock Photo
    Focused young Latin American female student taking notes in planner while working on laptop preparing for university exam in cozy cafe
    Smiling, confident female community college instructor in computer lab classroom — Stock Photo
    Smiling, confident female community college instructor in computer lab classroom
    Rear view of boy raising hand — Stock Photo
    Rear view of boy raising hand
    Happy adult woman smiling and helping girl with homework assignment while sewing garment at home — Stock Photo
    Happy adult woman smiling and helping girl with homework assignment while sewing garment at home
    Smiling male teacher leading lesson at touch screen in classroom — Stock Photo
    Smiling male teacher leading lesson at touch screen in classroom
    Portrait smiling, confident male community college instructor in classroom — Stock Photo
    Portrait smiling, confident male community college instructor in classroom
    Female artists painting picture frames in art class workshop — Stock Photo
    Female artists painting picture frames in art class workshop
    Side view of man with backpack studying at laptop and writing on a notepad sitting in park grass with crossed legs in sunny day — Stock Photo
    Side view of man with backpack studying at laptop and writing on a notepad sitting in park grass with crossed legs in sunny day
    Doctor and residents examining patient in hospital bed — Stock Photo
    Doctor and residents examining patient in hospital bed
    Teacher assisting schoolboy studying — Stock Photo
    Teacher assisting schoolboy studying
    Black man and woman with braids reading and discussing notes on whiteboard while working in modern laboratory together — Stock Photo
    Black man and woman with braids reading and discussing notes on whiteboard while working in modern laboratory together
    Male electrician student practicing in workshop — Stock Photo
    Male electrician student practicing in workshop
    Crop unrecognizable student holding denture and a pencil while sitting at table during dentistry class — Stock Photo
    Crop unrecognizable student holding denture and a pencil while sitting at table during dentistry class
    Male instructor and students in shop class workshop — Stock Photo
    Male instructor and students in shop class workshop
    Science teacher and students in laboratory — Stock Photo
    Science teacher and students in laboratory
    Teacher helping junior high students using computer in computer lab — Stock Photo
    Teacher helping junior high students using computer in computer lab
    High school students and teacher clapping debate class — Stock Photo
    High school students and teacher clapping debate class
    Portrait of boy sitting in classroom — Stock Photo
    Portrait of boy sitting in classroom
    Female artist with 3D wood art in art studio — Stock Photo
    Female artist with 3D wood art in art studio
    Female students watching mentor conducting experiment in lab — Stock Photo
    Female students watching mentor conducting experiment in lab
    Instructor supervising high school students taking exam at desks — Stock Photo
    Instructor supervising high school students taking exam at desks
    Portrait of confident teachers in library with students — Stock Photo
    Portrait of confident teachers in library with students
    High school teacher supervising students taking exam at desks — Stock Photo
    High school teacher supervising students taking exam at desks
    Junior high teacher helping boy student at computer — Stock Photo
    Junior high teacher helping boy student at computer
    Male instructor leading lesson at projection screen in classroom — Stock Photo
    Male instructor leading lesson at projection screen in classroom
    Confident, happy female instructor preparing in classroom — Stock Photo
    Confident, happy female instructor preparing in classroom
    Schoolgirl raising hand — Stock Photo
    Schoolgirl raising hand
    Female high school teacher leading lesson at projection screen in classroom — Stock Photo
    Female high school teacher leading lesson at projection screen in classroom
    Female doctor holding anatomical model of human spine. — Stock Photo
    Female doctor holding anatomical model of human spine.
    Black colleagues examining denture in laboratory — Stock Photo
    Black colleagues examining denture in laboratory
    High school teacher helping students studying in classroom — Stock Photo
    High school teacher helping students studying in classroom
    Young asian people working together working together with laptop in office — Stock Photo
    Young asian people working together working together with laptop in office
    Mature teacher explaining student — Stock Photo
    Mature teacher explaining student