Language school
Happy mature teacher and students communicating at university hallway.
Portrait of mature university teacher during lecture in the classroom.
Black adult education teacher talking to group of students during a lecture in the classroom.
Language school
Teacher writing mathematical function on whiteboard in classroom
Happy mature teacher in the classroom looking at camera.
Female teacher with group of high school students during a lecture in library.
Mature teacher and his students talking while using laptop during lecture at the university.
High school teacher and her student using laptop during a class in the classroom.
Medical doctors at the conference
Portrait of happy high school teacher in the classroom looking at camera.
Happy college teacher talking to group of students during a class in the classroom.
Happy woman studying with teacher's assistance during a class at lecture hall.
Happy college student taking exam paper from a teacher in the classroom.
High school teacher assisting her students with e-learning during computer class.
Mature teacher analysing lecture from a book with his students in front of the university.
African American teacher assisting her student who is doing a research in a library.
Happy high school teacher in the classroom looking at camera.
Happy teacher giving a lecture to high school students in the classroom.
Mature teacher assisting his student during class at college classroom.
Happy high school teacher using digital tablet in the classroom.
Happy high school teacher using digital tablet and looking at camera.
College student taking notes while talking to her teacher.
Black college student learning with teacher's assistance in the classroom.
Portrait of happy confident African American teacher in the classroom looking at camera.
Happy mature teacher and her students during a class at the university.
Female high school student leaning with teacher's help in the classroom.
Happy high school teacher and her students in a library looking at camera.
Attentive grey-haired doctor looking at X-ray picture
