smiling grey hair professor sitting in empty lecture room and talking by smartphone
Study at college
Closeup shot of a college student writing on a paper in a classroom on an isolated background
Teamwork at lesson
Student studying
Student at lesson
Teaching Students in Classroom With Visual Aids
Two women having a conversation in a classroom.
senior lecturer in empty lecture room screaming and looking at camera
Group of students listening to lecturer at college
Student with laptop
College student
Working in team
Students working at lecture in lecture hall
Group of student studying at university
Schoolboy sleeping during boring lecture
Empty classroom at elementary school.
Standing in classroom, indian female teacher instructing while students at desks listening
grey hair professor sitting in empty lecture room with crossed arms
Group of students studying at college
Diverse group of high school students listening teacher in classroom
College Professor Helping Student in Class
Students with laptop
Students at university
Teenage boy sleeping during lecture
Happy guy in smart casualwear and eyeglasses listening to teacher explanation
Students Engaged in Academic Activities in a Lecture Hall Setting
Spacious classroom of biology or anatomy with several wooden desks with chairs
Mature male teacher passing copybooks to students at lesson
College Professor Helping Student in Class
