Tired student yawns and stretch arms in lecture class after sleepless night preparing for exam test.
Lecturer speaking to college students in Childcare class
Group of young students raising hands in class on lecture
Multicultural group of students raising hands in class on lecture education
University students with face masks talking during a class in lecture hall.
Back view of group of students raising their arms during a class at lecture hall.
University female African American student listening lecture while attending a class in classroom.
Mid adult professor with a face mask holding a class to his students at lecture hall.
Rear view of African American student raising hand during a class in lecture hall.
Asian female teen college student in class listening to lecture using laptop to take notes.
Black teen high school student in class listening to lecture. Focus on african american boy.
Happy black man studying remotely in front of laptop, taking notes during online class or lecture at
Focused puzzled on finding right educational literature student looks through bookshelves in library
African American teacher assisting a schoolgirl during a class in the classroom.
Please, tell us the answer!
Girl sitting at table, using laptop, wearing touching headset
Positive black man using laptop for online work or studies, writing in notebook, doing project at
Portrait of two female college students with books smiling and standing at high school hall
Portrait of two female college students with books smiling and standing at high school hall
Online learning using laptop, teacher and boy
Young asian girl laugh looking at laptop study in library enjoy watching online webinar or lecture
education
education
A geometry teacher draws a section of a pyramid with a plane with chalk on a blackboard
Caucasian teacher of geometry and mathematics draws with chalk on a blackboard
education
Young woman teacher writes on the blackboard with chalk closeup
Geometry teacher stands at the blackboard and draws a section of the pyramid with a plane with chalk
education
university
