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    Instructor training students about air conditioning units in HVAC classroom — Stock Photo
    Instructor training students about air conditioning units in HVAC classroom
    Happy chinese rural pupils coming home from school — Stock Photo
    Happy chinese rural pupils coming home from school
    Professor teaching in classroom with students at high school — Stock Photo
    Professor teaching in classroom with students at high school
    Two female students playing violin and piano in a studio — Stock Photo
    Two female students playing violin and piano in a studio
    Portrait of enthusiastic junior high students and teachers cheering — Stock Photo
    Portrait of enthusiastic junior high students and teachers cheering
    Portrait of smiling university student sitting at desk — Stock Photo
    Portrait of smiling university student sitting at desk
    Portrait of african american girl sitting on her desk in the class at school. school and education concept — Stock Photo
    Portrait of african american girl sitting on her desk in the class at school. school and education concept
    Male teacher teaching students in the classroom at school — Stock Photo
    Male teacher teaching students in the classroom at school
    Young women college students studying at laptop at kitchen table — Stock Photo
    Young women college students studying at laptop at kitchen table
    Rear view of two Caucasian teenage couples with schoolbags holding hands and walking across a school playing field on a sunny day — Stock Photo
    Rear view of two Caucasian teenage couples with schoolbags holding hands and walking across a school playing field on a sunny day
    Chinese schoolchildren in school uniform posing in street — Stock Photo
    Chinese schoolchildren in school uniform posing in street
    College students studying and talking in sunny classroom — Stock Photo
    College students studying and talking in sunny classroom
    Side view mid section of a teenage Caucasian boy using a smartphone, with his high school classmates hanging out and talking in the background in their school playground — Stock Photo
    Side view mid section of a teenage Caucasian boy using a smartphone, with his high school classmates hanging out and talking in the background in their school playground
    High school teacher supervising students taking exam at desks — Stock Photo
    High school teacher supervising students taking exam at desks
    University students using digital tablet while doing experiment on microscope in laboratory at college — Stock Photo
    University students using digital tablet while doing experiment on microscope in laboratory at college
    Side view of a young African American male and a young Caucasian female fashion student working together on a design in a studio at fashion college — Stock Photo
    Side view of a young African American male and a young Caucasian female fashion student working together on a design in a studio at fashion college
    Two teenage boys standing and looking at the camera on the urban basket court — Stock Photo
    Two teenage boys standing and looking at the camera on the urban basket court
    Portrait of confident junior high school student doing homework in classroom — Stock Photo
    Portrait of confident junior high school student doing homework in classroom
    Two students using digital tablet in classroom — Stock Photo
    Two students using digital tablet in classroom
    Doctors practicing bag-valve-mask ventilation on training dummy. — Stock Photo
    Doctors practicing bag-valve-mask ventilation on training dummy.
    Teacher looking at boy — Stock Photo
    Teacher looking at boy
    Students learning about drawn in training institue — Stock Photo
    Students learning about drawn in training institue
    Junior high school students using virtual reality simulators in dark classroom — Stock Photo
    Junior high school students using virtual reality simulators in dark classroom
    Little girls on morning prayer — Stock Photo
    Little girls on morning prayer
    Teacher and students using laptops — Stock Photo
    Teacher and students using laptops
    Teachers and students smiling at campsite — Stock Photo
    Teachers and students smiling at campsite
    Happy rural teacher and pupils in outdoor learning — Stock Photo
    Happy rural teacher and pupils in outdoor learning
    Rural female teacher pointing with finger for chinese students standing outdoor — Stock Photo
    Rural female teacher pointing with finger for chinese students standing outdoor
    Chef teacher and students in cooking class kitchen — Stock Photo
    Chef teacher and students in cooking class kitchen
    Front view of two young African schoolboys running out of school and into the school yard ahead of the teacher and their classmates at a township elementary school — Stock Photo
    Front view of two young African schoolboys running out of school and into the school yard ahead of the teacher and their classmates at a township elementary school
    Young male researcher looking at sample under microscope in laboratory. — Stock Photo
    Young male researcher looking at sample under microscope in laboratory.
    Rural female teacher looking at pupils studying in classroom — Stock Photo
    Rural female teacher looking at pupils studying in classroom
    Teacher and students video conferencing during COVID-19 quarantine — Stock Photo
    Teacher and students video conferencing during COVID-19 quarantine
    Group of five teenage girls outdoors in woolly hats and scarves in autumn. — Stock Photo
    Group of five teenage girls outdoors in woolly hats and scarves in autumn.
    Smiling students using digital tablet in classroom — Stock Photo
    Smiling students using digital tablet in classroom
    Male college student studying using digital tablet — Stock Photo
    Male college student studying using digital tablet
    Group of multi ethnic kids sitting on their desk in the classroom at school. Primary education social distancing health safety during Covid19 Coronavirus pandemic. — Stock Photo
    Group of multi ethnic kids sitting on their desk in the classroom at school. Primary education social distancing health safety during Covid19 Coronavirus pandemic.
    Female college students practicing chemistry experiment at desk in lab — Stock Photo
    Female college students practicing chemistry experiment at desk in lab
    Front view of a young African American male fashion student using a sewing machine while working on a design in a studio at fashion college, with other students at work in the background — Stock Photo
    Front view of a young African American male fashion student using a sewing machine while working on a design in a studio at fashion college, with other students at work in the background
    University students taking exam — Stock Photo
    University students taking exam
    Chinese college student playing guitar with friends on campus in autumn — Stock Photo
    Chinese college student playing guitar with friends on campus in autumn
    College students descending stairway together — Stock Photo
    College students descending stairway together
    Students sitting on tables in class — Stock Photo
    Students sitting on tables in class
    Smiling young couple using digital tablet in kitchen — Stock Photo
    Smiling young couple using digital tablet in kitchen
    Front view of a multi-ethnic group of teenage school pupils sitting in a classroom looking at a laptop computer together and smiling at break time — Stock Photo
    Front view of a multi-ethnic group of teenage school pupils sitting in a classroom looking at a laptop computer together and smiling at break time
    College students ascending stairway together — Stock Photo
    College students ascending stairway together
    Front view of a middle aged African school teacher standing in front of the blackboard showing her pupils a laptop during a lesson in a township elementary school classroom. — Stock Photo
    Front view of a middle aged African school teacher standing in front of the blackboard showing her pupils a laptop during a lesson in a township elementary school classroom.
    Students and teacher walking outdoors — Stock Photo
    Students and teacher walking outdoors
    Happy high school students using smart phone — Stock Photo
    Happy high school students using smart phone
    Eager students touching globe in geography teachers hands — Stock Photo
    Eager students touching globe in geography teachers hands
    School classroom full of pupils — Stock Photo
    School classroom full of pupils
    Students using laptops in a lesson. — Stock Photo
    Students using laptops in a lesson.
    Side view of a multi-ethnic group of high school teenage male and female school pupils in a classroom, sitting at a table working together, talking and smiling — Stock Photo
    Side view of a multi-ethnic group of high school teenage male and female school pupils in a classroom, sitting at a table working together, talking and smiling
    Smiling students researching, using digital tablet at table in library — Stock Photo
    Smiling students researching, using digital tablet at table in library
    Young friends leaning against wall — Stock Photo
    Young friends leaning against wall
    Happy chinese rural pupils coming home from school — Stock Photo
    Happy chinese rural pupils coming home from school
    Male student working with copper in shop class workshop — Stock Photo
    Male student working with copper in shop class workshop
    Science professor helping college student conducting scientific experiment in science laboratory classroom — Stock Photo
    Science professor helping college student conducting scientific experiment in science laboratory classroom
    Group of multi ethnic kids and their female teacher wearing face masks performing yoga in the school garden. Primary education social distancing health safety during Covid19 Coronavirus pandemic. — Stock Photo
    Group of multi ethnic kids and their female teacher wearing face masks performing yoga in the school garden. Primary education social distancing health safety during Covid19 Coronavirus pandemic.
    College students talking in sunny corridor — Stock Photo
    College students talking in sunny corridor