Group of high school students listening teacher during lecture in classroom
Female lecturer and a group of college students having informal discussion in classroom
Computer science teacher giving lecture to group of high school students in the classroom.
Close-up of female teacher giving lecture to group of students in the classroom.
Close-up of professor giving lecture to group of college students in the classroom.
Male professor giving lecture during IT class in the classroom at high school.
Black female teacher writing on whiteboard while giving lecture in the classroom.
High school teacher talking to her students during lecture in the classroom.
African American chemistry teacher giving lecture in front of whiteboard in the classroom.
Mature professor assisting his student with lecture during a class in the classroom.
Professor Teaching Students in a Bright University Lecture Hall Classroom Discussion
Students in a Classroom Showing Mixed Emotions During a Lecture or Study Session
Senior adult teacher giving a lecture to her high school students at classroom
Happy schoolgirl wearing a face mask while having a lecture in the classroom.
Professor Teaching Young Adults in a University Lecture Hall Classroom Setting
High school teacher giving lecture in front of interactive whiteboard in the classroom.
Mature teacher assisting black Islamic student during a lecture in the classroom.
Rear view of teacher giving lecture to high school students in the classroom.
Happy African American math teacher explaining lecture on blackboard in the classroom.
African American professor talking to her students after a lecture in the classroom.
Happy professor assisting his black female student with a lecture in the classroom.
Happy female student writing notes while during lecture in the classroom.
Mature teacher talking to his student while assisting him with the lecture in the classroom.
Schoolgirl with protective face mask writing in a notebook during a lecture in the classroom.
School teacher wearing face mask and holding online lecture form the classroom.
Female college students with protective face masks talking during lecture in the classroom.
Computer science teacher giving lecture to group of high school students in the classroom.
Happy college friends wearing protective face masks and analyzing lecture in the classroom.
Happy math teacher giving lecture on whiteboard to elementary students in the classroom.
A young male paramedic with a bag on his shoulders is standing in a classroom before a lecture
