Lächelnder Lehrer blickt verschwommenen Schüler in der Nähe von Laptop im Klassenzimmer an - Stockfoto & -bild

Asian schoolboy looking at notebook near erase board and teacher

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

Cheerful teacher waving hand at pupils on blurred foreground in classroom

Smiling teacher pointing with finger near schoolboys and gadgets in classroom

Rear view of group of students raising hands in class on lecture

Smiling schoolboy using digital tablet near notebook

Teacher holding laptop with green screen near multiethnic students in auditorium of university

Girl with book and positive african american teacher looking at each other while standing in classroom

Excited african american teacher showing wow gesture near blurred children in classroom

African american teacher reading book to pupils during lesson

African american teacher adjusting eyeglasses while reading book near blurred asian boy

Smiling schoolgirl holding notebook near blurred teacher in classroom

Blurred african american teacher writing on whiteboard near pupils in classroom

Mature teacher holding laptop with green screen near multiethnic students in university