Classroom, lecturer and man with laptop, help and explaining exam to student in college and knowled
Student man sleeping at desk in classroom during lecture
Senior lecturer helping student during lecture in the classroom
College, student and study in a university classroom or lecture for education, scholarship and trai
University students listening to lecture in classroom
Elementary teacher assisting a schoolboy with a lecture in the classroom.
University students in the classroom with young female assistant lecturer
University students in the classroom with young female assistant lecturer
Mature teacher giving lecture to group of students in the classroom.
Rear view of schoolgirl writing during lecture in the classroom.
Black senior man student during a lecture in the classroom.
Hispanic teacher giving a lecture to elementary students in the classroom.
Teacher giving a lecture in a classroom and writing math formulas on the board
Teacher giving a lecture in a classroom and writing math formulas on the board
Mature lecturer helping students with project in classroom. Education concept
Doctors giving a lecture to medical students in modern hospital classroom
Teacher giving a lecture in a classroom and writing math formulas on the board.
Happy teacher giving a lecture to high school students in the classroom.
Multiracial group of college students listening professor's lecture in the classroom.
Mid adult student paying attention during lecture in the classroom.
Mature lecturer assisting college student with laptop in classroom. Education concept
Smiling professor giving lecture to college students in classroom. Education concept
Group of college students listening lecture from their teacher in the classroom.
Happy male student talking while attending a lecture in the classroom.
African American student taking notes while having lecture in the classroom.
Rear view of senior professor talking to students during lecture in the classroom
Cropped shot lecturer answering to university students in classroom. Education concept
High school student and her teacher using smartboard during a lecture in the classroom.
Computer science teacher giving lecture to group of high school students in the classroom.
Mature man e-learning on laptop during a lecture at university classroom.
