Un hombre está delante de un escritorio, enseñando apasionadamente a los niños en un ambiente vibrante en el aula. - Foto e imagen de stock

Teacher standing near sad schoolboy in classroom

Open to new knowledges. Elderly gray-headed man, professor, teacher and students at lecture, lesson at classroom, indoors. Concept of professional occupation, job, education. Back to school

Happy pupils looking at teacher on blurred foreground during lesson

Mature teacher smiling near multicultural teenagers in classroom

Mature teacher smiling near pupils and devices

Female professor answering student questions at a lecture in the classroom. Smart young people study at the college. Education, college, university, learning and multiethnic people concep

Smiling young businesswoman giving a whiteboard presentation to coworkers while standing in a meeting room in a modern office

Female teacher helping male student with assignment during lesson in classroom

Smiling teacher gesturing while talking to multiethnic pupils in classroom

Teacher standing near sad schoolboy in classroom

Happy pupils looking at teacher on blurred foreground during lesson

Mature teacher smiling near multicultural teenagers in classroom

Mature teacher smiling near pupils and devices

Smiling teacher gesturing while talking to multiethnic pupils in classroom

Smiling teacher pointing with finger at pupil with laptop

Positive teacher showing okay signs near teenage pupils

Happy african american teacher with digital tablet talking to schoolgirl near notebooks in classroom

Smiling schoolgirl using laptop near teacher and schoolboys

Teacher looking at notebook near smiling asian schoolboy