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    Instructor using demo board to explain HVAC control system operation one student in wheelchair — Stock Photo
    Instructor using demo board to explain HVAC control system operation one student in wheelchair
    Male teacher teaching students in the classroom at school — Stock Photo
    Male teacher teaching students in the classroom at school
    Chef and student with Down Syndrome baking bread in kitchen — Stock Photo
    Chef and student with Down Syndrome baking bread in kitchen
    Teacher and students in classroom — Stock Photo
    Teacher and students in classroom
    Curious girl playing with anatomical model — Stock Photo
    Curious girl playing with anatomical model
    Side view close up of a young African schoolboy sitting at his desk and turning around, looking to camera and smiling during a lesson in a township elementary school classroom. — Stock Photo
    Side view close up of a young African schoolboy sitting at his desk and turning around, looking to camera and smiling during a lesson in a township elementary school classroom.
    Male teacher teaching girl — Stock Photo
    Male teacher teaching girl
    Teacher and students looking at rocks in display case in science center — Stock Photo
    Teacher and students looking at rocks in display case in science center
    Community college students watching instructor leading lesson at projection screen in classroom — Stock Photo
    Community college students watching instructor leading lesson at projection screen in classroom
    Male students in cooking class kitchen — Stock Photo
    Male students in cooking class kitchen
    Teacher and Young Students — Stock Photo
    Teacher and Young Students
    Teacher and students on campus — Stock Photo
    Teacher and students on campus
    Young Chinese teacher introducing a new classmate in classroom — Stock Photo
    Young Chinese teacher introducing a new classmate in classroom
    Chinese children looking at picture in art class with teacher — Stock Photo
    Chinese children looking at picture in art class with teacher
    Students taking notes and watching chef teacher at oven in cooking class kitchen — Stock Photo
    Students taking notes and watching chef teacher at oven in cooking class kitchen
    Teacher and schoolgirl using laptop — Stock Photo
    Teacher and schoolgirl using laptop
    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
    Teacher and student using laptop — Stock Photo
    Teacher and student using laptop
    Community college teacher and students in classroom — Stock Photo
    Community college teacher and students in classroom
    A Caucasian female ballet teacher working with a group of Caucasian female dancers during a ballet class in a bright studio, the dancers holding the barre while the teacher works on their posture. — Stock Photo
    A Caucasian female ballet teacher working with a group of Caucasian female dancers during a ballet class in a bright studio, the dancers holding the barre while the teacher works on their posture.
    Male teacher watching girl writing — Stock Photo
    Male teacher watching girl writing
    Female instructor helping active senior man in flower arranging class — Stock Photo
    Female instructor helping active senior man in flower arranging class
    Male junior high teacher helping boy student using computer in computer lab — Stock Photo
    Male junior high teacher helping boy student using computer in computer lab
    Rear view of multi-ethnic group of high school teenagers in a school classroom sitting at desks, all raising their hands to answer a question, their male teacher standing in the background — Stock Photo
    Rear view of multi-ethnic group of high school teenagers in a school classroom sitting at desks, all raising their hands to answer a question, their male teacher standing in the background
    Junior high students at computers watching teacher at projection screen in classroom — Stock Photo
    Junior high students at computers watching teacher at projection screen in classroom
    Male teacher and girl students conducting scientific experiment at microscope and laptop in laboratory classroom — Stock Photo
    Male teacher and girl students conducting scientific experiment at microscope and laptop in laboratory classroom
    University professor with Muscular Dystrophy teaching students in a classroom — Stock Photo
    University professor with Muscular Dystrophy teaching students in a classroom
    Male teacher assisting elementary school children in classroom during lesson — Stock Photo
    Male teacher assisting elementary school children in classroom during lesson
    Side view close up of a young African schoolboy sitting at his desk and turning around, looking to camera and smiling during a lesson in a township elementary school classroom. — Stock Photo
    Side view close up of a young African schoolboy sitting at his desk and turning around, looking to camera and smiling during a lesson in a township elementary school classroom.
    Male teacher leading physics lesson at whiteboard in classroom — Stock Photo
    Male teacher leading physics lesson at whiteboard in classroom
    Students listening to chef teacher in cooking class kitchen — Stock Photo
    Students listening to chef teacher in cooking class kitchen
    Student and teacher picking carrots in field — Stock Photo
    Student and teacher picking carrots in field
    Teacher and Young Students — Stock Photo
    Teacher and Young Students
    Students sitting on lecture with teacher in classroom — Stock Photo
    Students sitting on lecture with teacher in classroom
    Chef and students with Down Syndrome using digital tablet in kitchen — Stock Photo
    Chef and students with Down Syndrome using digital tablet in kitchen
    Man giving presentation on projection screen — Stock Photo
    Man giving presentation on projection screen
    Female fashion designers planning in studio — Stock Photo
    Female fashion designers planning in studio
    Women gesturing with fists in exercise class gym studio — Stock Photo
    Women gesturing with fists in exercise class gym studio
    Caucasian female chef passing a leek to Caucasian male chef, with other chefs cooking in the background. Cookery class at a restaurant kitchen. — Stock Photo
    Caucasian female chef passing a leek to Caucasian male chef, with other chefs cooking in the background. Cookery class at a restaurant kitchen.
    Student setting up generator experiment while instructor discusses HVAC system to student in wheelchair — Stock Photo
    Student setting up generator experiment while instructor discusses HVAC system to student in wheelchair
    Side view of a Caucasian male high school teacher, standing and talking with a teenage Caucasian girl in a school classroom sitting a desk, with teenage classmates sitting at desks working in the background — Stock Photo
    Side view of a Caucasian male high school teacher, standing and talking with a teenage Caucasian girl in a school classroom sitting a desk, with teenage classmates sitting at desks working in the background
    Active seniors enjoying flower arranging class — Stock Photo
    Active seniors enjoying flower arranging class
    Students studying at desk with teacher — Stock Photo
    Students studying at desk with teacher
    Male teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and students conducting scientific experiment in laboratory classroom
    Senior Caucasian male chef pouring salt on a ready dish, smiling. Cookery class at a restaurant kitchen. — Stock Photo
    Senior Caucasian male chef pouring salt on a ready dish, smiling. Cookery class at a restaurant kitchen.
    Junior high students and teacher using computers in computer lab — Stock Photo
    Junior high students and teacher using computers in computer lab
    Teacher and students playing at interactive exhibit in science center — Stock Photo
    Teacher and students playing at interactive exhibit in science center
    Male high school teacher leading lesson at projection screen in classroom — Stock Photo
    Male high school teacher leading lesson at projection screen in classroom
    High school teacher calling on students during lesson in classroom — Stock Photo
    High school teacher calling on students during lesson in classroom
    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
    Mother and daughter cuddling whilst playing the guitar at home — Stock Photo
    Mother and daughter cuddling whilst playing the guitar at home
    Wide view of young student getting virtual high five from teache — Stock Photo
    Wide view of young student getting virtual high five from teache
    Professor teaching in classroom with students at high school — Stock Photo
    Professor teaching in classroom with students at high school
    Female teacher and students programming and assembling robotics in classroom — Stock Photo
    Female teacher and students programming and assembling robotics in classroom
    Chinese girls painting in art class with teacher — Stock Photo
    Chinese girls painting in art class with teacher
    Smiling female high school teacher leading lesson in classroom — Stock Photo
    Smiling female high school teacher leading lesson in classroom
    Curious kids enjoying interactive foam exhibit in science center — Stock Photo
    Curious kids enjoying interactive foam exhibit in science center
    Community college students watching instructor leading lesson at projection screen in classroom — Stock Photo
    Community college students watching instructor leading lesson at projection screen in classroom
    Man giving presentation on projection screen — Stock Photo
    Man giving presentation on projection screen
    Smiling mature female community college instructor at laptop preparing in classroom — Stock Photo
    Smiling mature female community college instructor at laptop preparing in classroom