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
Smiling teacher giving lecture to diverse high school students in classroom
Cropped shot lecturer answering to university students in classroom. Education concept
Smiling teacher giving lecture to diverse high school students in classroom
Female teacher lecture a new lesson to primary school kids in classroom.
Female teacher lecture a new lesson to primary school kids in classroom.
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.
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.
University, lecture and classroom student for question, speaking or talking of research results, bo
Senior adult teacher giving a lecture to her high school students at classroom
Classroom, learning and students listening to lecture, workshop or course education for study, scho
Interested positive multiracial students listening lecture, groupmates sitting at table in 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 elementary school teacher giving lecture to her students in the classroom.
Mature teacher talking to his student while assisting him with the lecture in the classroom.
A classroom of multiracial students aged 18 to 20 taking notes during a lecture
Smiling female lecturer assisting her students working on group project 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
A young male paramedic with a bag on his shoulders is standing in a classroom before a lecture
A classroom of multiracial students aged 18 to 20 taking notes during a lecture
A young male paramedic with a bag on his shoulders is standing in a classroom before a lecture
A young male paramedic with a bag on his shoulders is standing in a classroom before a lecture
