Reifer Lehrer hält Laptop mit grünem Bildschirm in der Nähe multiethnischer Studenten an der Universität - Stockfoto & -bild

Overhead view of student holding notebook near african american friend in university auditorium

Teacher holding laptop with green screen near multiethnic students in auditorium of university

Rear View Of Female College Student Asking Question In Class

Professor in amphitheater giving lecture to her students

Students at a lecture in amphitheatre

Students with female teacher in amphitheater

Smiling teacher holding chalk near multiethnic students in university auditorium

Positive teacher talking to interracial students in auditory of university

Multicultural group of teenage schoolchildren and smiling african american teacher with raising arms

Asian schoolboy looking at notebook near erase board and teacher

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

Side view of teenage pupils sitting at desk in classroom, banner

Smiling teacher talking and gesturing near pupils with gadgets in classroom

Smiling schoolkid with notebook talking near erase board and classmates

Smiling teacher pointing at erase board near blurred pupils

Blurred boy using digital tablet near classmates during lesson