Insegnante sorridente parlando e gesticolando vicino agli alunni con gadget in classe - Foto e immagini stock

Mature teacher talking near schoolkids in classroom

Back view of classmates near teacher talking and pointing with fingers during lesson

Positive teacher with marker talking near erase board and schoolkids in classroom

Smiling teacher pointing at erase board near blurred pupils

Elementary School Physics Teacher Uses Interactive Digital Tablet to Show to a Classroom of Smart Children how Renewable Energy and Wind Turbines Works. Science Class with Kids Listening Attentively

Cheerful mature teacher with marker pointing at blurred schoolkids near erase board

African american teacher reading book to pupils during lesson

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

Blurred african american teacher writing on whiteboard near pupils in classroom

African american teacher pointing with felt pen at whiteboard during lesson

Blurred interracial pupils with digital tablets near smiling african american teacher

Smiling african american teacher holding book during lesson in classroom

African american teacher pointing with hand while reading book in classroom

Happy girl standing with book in classroom near african american teacher

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