Happy elementary school teacher and her students in the classroom looking at camera.
Black schoolboy with face mask raising arm to answer question during class in the classroom.
Large group of teenage learners preparing for seminar in college library
Black teacher wearing face mask while explaining math lesson in the classroom.
Happy black teacher pointing at students who are raising hands to answer her question during class.
African American elementary student disinfecting hands in the classroom.
African American teacher with protective face mask talking to student in the classroom.
Elementary students learning how to properly wear a mask during a class at the school.
Black female teacher wearing face mask while giving a lecture in the classroom.
Large group of teenage learners preparing for seminar in college library
Young confident college teacher or lecturer explaining one of lesson points
Hand of college teacher standing in front of audience and making speech
Side view of young confident coach explaining new subject to group of students
Rear view of several youthful students keeping their hands raised at lesson
Team of Modern Students
Microphone on the speech podium over the Abstract blurred photo of conference hall
Successful teacher pointing at one of interracial students raising hands
Asian Speaker with casual suit standing and giving the knowledge with audience in conference hall
Confident teacher standing by blackboard with formulas and equations
Young confident teacher of algebra explaining angle relationships to students
Group of interracial students raising hands to ask questions to teacher
Closeup portrait of asian Speaker with casual suit on the stage over the presentation screen
Rear view of Audience showing hand to answer the question from Speaker on the stage
Rear view of Audience showing hand to answer the question from Speaker on the stage
Vertical shot of empty classroom or conference room with desks and chairs, selective focus
Asian Speaker with casual suit standing and giving the knowledge with audience
Five young Asian students study online on campus, collaborating on research, projects.
rows of seats in interior of modern empty conference hall for business meetings
Empty plastic chairs
Five young Asian students study online on campus, collaborating on research, projects.
