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    Male doctor practicing rescue breathing on cardiopulmonary resuscitation training dummy. — Stock Photo
    Male doctor practicing rescue breathing on cardiopulmonary resuscitation training dummy.
    Front view of brunette girl lying on floor and reading book — Stock Photo
    Front view of brunette girl lying on floor and reading book
    Portrait smiling, confident junior high school girl in classroom — Stock Photo
    Portrait smiling, confident junior high school girl in classroom
    Active senior woman exercising, stretching leg with strap in exercise class — Stock Photo
    Active senior woman exercising, stretching leg with strap in exercise class
    Little boy sitting inside a motorhome while doing his homework — Stock Photo
    Little boy sitting inside a motorhome while doing his homework
    Portrait confident young female college student in corridor — Stock Photo
    Portrait confident young female college student in corridor
    Young woman using a desktop pc in the library — Stock Photo
    Young woman using a desktop pc in the library
    Portrait of a woman with headphones focused on a desktop computer — Stock Photo
    Portrait of a woman with headphones focused on a desktop computer
    Adult male musician in headphones playing bass guitar against netbook on sofa in living room — Stock Photo
    Adult male musician in headphones playing bass guitar against netbook on sofa in living room
    Woman with camera phone photographing classmates posing at painted side table in art class workshop — Stock Photo
    Woman with camera phone photographing classmates posing at painted side table in art class workshop
    Boy examining a molecular structure — Stock Photo
    Boy examining a molecular structure
    Blonde cute boy playing with waldorf sounding tower with marbles — Stock Photo
    Blonde cute boy playing with waldorf sounding tower with marbles
    Junior high school students in classroom — Stock Photo
    Junior high school students in classroom
    Girl studying in living room — Stock Photo
    Girl studying in living room
    Portrait smiling college student with digital tablet in science laboratory classroom — Stock Photo
    Portrait smiling college student with digital tablet in science laboratory classroom
    Portrait smiling, confident female community college student in classroom — Stock Photo
    Portrait smiling, confident female community college student in classroom
    GRADUATE LOOKS TOWARD THE FUTURE — Stock Photo
    GRADUATE LOOKS TOWARD THE FUTURE
    Junior high students talking, hanging out — Stock Photo
    Junior high students talking, hanging out
    Woman sitting and reading book in library — Stock Photo
    Woman sitting and reading book in library
    Portrait female community college student with headphones using computer in classroom — Stock Photo
    Portrait female community college student with headphones using computer in classroom
    Boy sitting in a hall of empty desks. — Stock Photo
    Boy sitting in a hall of empty desks.
    Woman reading book while having coffee in living room at home — Stock Photo
    Woman reading book while having coffee in living room at home
    Schoolchildren in school uniform running on sidewalk — Stock Photo
    Schoolchildren in school uniform running on sidewalk
    Schoolchildren talking in corridor — Stock Photo
    Schoolchildren talking in corridor
    Teenage girl wearing headphones, drawing on paper — Stock Photo
    Teenage girl wearing headphones, drawing on paper
    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
    Female paramedic using defibrillator while training outdoors. — Stock Photo
    Female paramedic using defibrillator while training outdoors.
    Portrait of woman reading book on bed — Stock Photo
    Portrait of woman reading book on bed
    Woman reading a book in living room at home — Stock Photo
    Woman reading a book in living room at home
    Students examining globe in classroom — Stock Photo
    Students examining globe in classroom
    Young female student lying on bed and writing in copybook while studying online with laptop during distance education at home — Stock Photo
    Young female student lying on bed and writing in copybook while studying online with laptop during distance education at home
    Chinese female student studying with laptop in cafe — Stock Photo
    Chinese female student studying with laptop in cafe
    Girl studying in a school library — Stock Photo
    Girl studying in a school library
    Girl building a structure with geometric shapes. — Stock Photo
    Girl building a structure with geometric shapes.
    Young male college student studying in cafe — Stock Photo
    Young male college student studying in cafe
    Focused boy doing homework at laptop in kitchen — Stock Photo
    Focused boy doing homework at laptop in kitchen
    Chinese boy looking at solar system exhibition in museum — Stock Photo
    Chinese boy looking at solar system exhibition in museum
    Schoolchildren in school uniform running on sidewalk — Stock Photo
    Schoolchildren in school uniform running on sidewalk
    Female artists painting in art class studio — Stock Photo
    Female artists painting in art class studio
    A young man sitting reading a book in an armchair on an outdoor patio; Bothell, Washington, United States of America — Stock Photo
    A young man sitting reading a book in an armchair on an outdoor patio; Bothell, Washington, United States of America
    Female artist painting at easel in art class studio — Stock Photo
    Female artist painting at easel in art class studio
    Man smelling food leaning over pot in cooking class kitchen — Stock Photo
    Man smelling food leaning over pot in cooking class kitchen
    Portrait of teenage student girl holding book standing against gray wall — Stock Photo
    Portrait of teenage student girl holding book standing against gray wall
    Smiling, happy female community college instructor leading lesson in classroom — Stock Photo
    Smiling, happy female community college instructor leading lesson in classroom
    Focused high school boy student taking exam at desk in classroom — Stock Photo
    Focused high school boy student taking exam at desk in classroom
    Blonde cute boy playing with waldorf sounding tower with marbles — Stock Photo
    Blonde cute boy playing with waldorf sounding tower with marbles
    Girl raising her hand in class. — Stock Photo
    Girl raising her hand in class.
    Schoolboy solving mathematics — Stock Photo
    Schoolboy solving mathematics
    High school teacher supervising students taking exam at desks — Stock Photo
    High school teacher supervising students taking exam at desks
    Teacher solving mathematical equation — Stock Photo
    Teacher solving mathematical equation
    Portrait enthusiastic, laughing young woman with headphones on city street — Stock Photo
    Portrait enthusiastic, laughing young woman with headphones on city street
    Young women friends applying makeup — Stock Photo
    Young women friends applying makeup
    Focused college student using digital tablet in science laboratory classroom — Stock Photo
    Focused college student using digital tablet in science laboratory classroom
    Students smiling, standing outdoors — Stock Photo
    Students smiling, standing outdoors
    Female artist sketching at easel in art class studio — Stock Photo
    Female artist sketching at easel in art class studio
    Blonde cute boy playing with waldorf rainbow puzzle — Stock Photo
    Blonde cute boy playing with waldorf rainbow puzzle
    Mid section of schoolgirl playing piano in music school — Stock Photo
    Mid section of schoolgirl playing piano in music school
    Female paramedic CPR training on baby dummy outdoors. — Stock Photo
    Female paramedic CPR training on baby dummy outdoors.
    Students programming and testing robotics in classroom — Stock Photo
    Students programming and testing robotics in classroom
    Portrait of confident teacher — Stock Photo
    Portrait of confident teacher