Reife Professorin unterstützt kleine Schülerin am Schreibtisch im Klassenzimmer - Stockfoto & -bild

Mature male teacher assisting teenage schoolboy at desk in classroom

Mature male teacher looking at student while crouching at desk in classroom

Students using digital tablet and calculator at desk while teacher teaching in classroom

Male professor assisting student while crouching at desk in classroom

Rear view of little girl drawing geometric shapes on board while teacher assisting her in classroom

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

Rear view of teenage boy studying while teacher looking at him in classroom

Teenage female student showing paper to male teacher at desk in classroom

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

Teenage schoolboy and professor looking at paper during examination in classroom

Rear view of teenage schoolboy raising hand at desk with teacher in background

Mature professor pointing at paper while female university student looking at him in classroom