young professor teacher speaking with the microphone in the lecture hall standing near the blackboar
Shot of a university student using her cellphone while sitting in a lecture hall
Mature female student taking notes while attending a course in lecture hall.
Happy female friends using mobile phone while studying in lecture hall.
Happy black student learning during a class in lecture hall and looking at camera.
Happy black females student during a class in lecture hall looking at camera.
Young black woman writing in notebook while e-learning on laptop in lecture hall.
Anonymous audience listens to the speech of the lecturer in the conference hall
Anonymous audience listens to the speech of the lecturer in the conference hall
Happy black female student during a class at the university.
Diverse college students cooperating while learning together at campus.
College student writing in her notebook while learning int he classroom.
Young Muslim student paying attention during a lecture in the classroom.
Happy black adult education teacher with group of students in the classroom looking at camera.
Mature teacher handing over test results to his students in the classroom.
Young student communicating with her friend during a lecture in the classroom.
Happy female student in the classroom looking at camera.
Senior black man writing notes while learning during adult education training class in classroom.
Portrait of female college student with protective face mask in the classroom.
Female students talking while leaving the classroom after a lecture.
Multiracial group of college students using laptop in the classroom.
Happy mature man attending adult education training class in the classroom and looking at camera.
Young students cooperating while learning in university classroom.
Happy black student learning from a book in the classroom.
Happy black female student e-learning on laptop at university classroom.
Happy black female student during a lecture in the classroom looking at camera.
Cheerful students taking selfie with cell phone in the classroom.
Happy female students talking during a class at university classroom.
Female university students using smart phone in the classroom.
Happy black college student in the classroom looking at camera.
