Rear view of professor teaching her students in the classroom at high school.
Businesswoman standing around podium and giving presentation to the audience in auditorium
Happy teenage girl looking at camera during lecture at high school.
Young serious African American businessman with document listening to speaker
Empty Classroom Background
Female student wearin face mask and raising hand to ask question during lecture at university.
smiling african american student in glasses using digital tablet
High angle shot of colorful chairs arranged with distance between them in rows
Youthful girl in casualwear listening to teacher while sitting by desk
Happy elementary teacher teaching schoolgirl in front of whiteboard in the classroom.
attractive, attentive lecturer standing on podium tribune and looking at documents
Young Muslim woman writing notes during lecture at university classroom.
Happy mature teacher in the classroom looking at camera.
smiling businesswoman in eyeglasses with hand up want to ask question during business seminar in
cropped shot of business colleagues with coffee to go in conference hall
Portrait of smiling mature teacher with laptop in the classroom.
smiling businesspeople applauding during business seminar in conference hall
A row of empty chairs in the class
Female Muslim student writing an exam at the university.
Guy in conference hall
Happy black high school student in the classroom looking at camera.
Young attractive businessman showing presentation to his colleagues
Several intercultural brokers applauding to speaker after presentation
Students watching big screen in university atrium, back view
Rear view of businesswoman giving presentation in front of audience in auditorium
Row of multicultural teenage students of university sitting by desk at lecture
Happy mature teacher writing lecture on whiteboard during a class at elementary school.
Happy African American college student listening lecture in the classroom.
Muslim female student taking notes while attending a class at college classroom.
confident lecturer gesturing while speaking into microphone on podium tribune
