Widok z tyłu z siwy kobieta stading nauczyciel w klasie i rozmawia z uczniami gimnazjum. - Zdjęcie stockowe & obraz

Back view of African American student raising her hand to answer teacher's question during a class.

Back view of grey-haired woman teacher stading at classroom and talking to high school students.

Group of a high school students having a class at modern classroom.

Elementary school teacher giving test results to her students in the classroom.

Mature man raising his arm while attending lecture at university classroom.