Fröhlicher Lehrer winkt Schülern auf verschwommenem Vordergrund im Klassenzimmer zu - Stockfoto & -bild

Smiling teacher pointing with finger near schoolboys and gadgets in classroom

Positive teacher gesturing while speaking near teenagers during lesson in school

Smiling students asking question while attending lecture in campus

Cheerful teacher pointing with finger near blurred schoolkids in classroom, banner

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

Young Man Raising Hand

Multiethnic business partners thinking during meeting in conference room

Investor with money pointing at businesswoman with documents on blurred foreground

Positive african american teacher pointing with hand near blurred pupils

Smiling african american student talking to friends near laptops and professor in university

Cheerful businessman having video chat while multiethnic colleagues talking on blurred background

Selective focus of businesswoman holding clipboard and pen while working near colleagues in office

African american teacher reading book near blurred pupils in classroom

Interracial students holding notebook near devices and blurred teacher in university