Female student text messaging on cell phone in the classroom.
selective focus of attractive businesswoman in formal wear clapping in conference hall
Happy college friends learning together while sitting on the floor in the classroom.
Happy college student during a lecture in the classroom looking at camera.
Empty classroom or conference room with desks and chairs
cropped shot of businesspeople applauding during business seminar in conference hall
I'm back to school!
attractive, confident lecturer gesturing while speaking from podium tribune
Young confident Asian female teacher pointing at whiteboard during presentation
Image of serious girl doing homework with laptop and exercise books
Muslim Politician Speaking In Public
Male College Teacher Lecturing in Classroom
Happy young ceo of modern company making presentation of income increase
Multiracial university students having a class in the classroom.
Happy college students in the classroom looking at camera.
female business lecturer presenting material during seminar with multicultural colleagues in
Side view of Caucasian businessman standing and giving presentation in the auditorium
Young students cooperating while e-learning on laptop in the classroom.
No cell phone use at school!
Hispanic teacher giving a lecture to elementary students in the classroom.
Happy black student raising her hand to ask a question during a class at the university.
Young serious business coach presenting company profit information
Side view of Caucasian businessman standing and giving presentation in the auditorium
Analysis of market
cropped image of african american businessman holding microphone during seminar in conference hall
selective focus of attractive businesswomen sitting on chairs and talking in conference hall
Mature teacher assisting female Muslim student with a lecture in the classroom.
Female Middle Eastern student taking notes while attending lecture at the university.
smiling colleagues talking to audience during seminar in conference hall
Smiling, positive guy pointing to graph drawn on flip chart. Young coach gives lecture to students
