Männliche Universitätsstudentin und Professor schauen einander an, während Kommilitonen im Hörsaal Papier schreiben - Stockfoto & -bild

Happy male teacher and teenage boy looking at each other during examination in classroom

Teenage schoolboy and male teacher looking at each other during examination at desk in classroom

Mature male professor and schoolgirl looking at each other during examination in classroom

Portrait of little girl and teacher sitting at desk in classroom

Mature professor assisting little schoolgirl at desk in classroom

Mature male teacher looking at schoolgirl against chalkboard in classroom

Professor gesturing thumbsup to successful male student with classmates standing in a row at classroom

Little girl asking question to male teacher at desk in classroom

Students using digital tablet at desk with teacher in background

Mature teacher gesturing thumbsdown while looking at female student in classroom

Rear view of students sitting at desk while teacher teaching on board in classroom