Lächelnder Lehrer hält Kreidetafel neben verschwommenen Studenten im Hörsaal der Universität - Stockfoto & -bild

Smiling teacher talking near blurred interracial students in university

Middle aged teacher pointing with hand near multiethnic students and laptops in university

Pensive teacher standing near blurred multiethnic students in university

Smiling professor talking during lecture near blurred interracial students in university

Teacher pointing at chalkboard near blurred interracial students in university

Positive teacher with chalk talking to multiethnic students during lecture in university

Mature teacher pointing with hand near multiethnic students using laptops in university

Positive teacher pointing with hand at african american student in university

Mature teacher talking near blurred interracial students with laptops in university

Positive teacher showing okay signs near teenage pupils

Positive teacher gesturing while speaking near teenagers during lesson in school

Smiling schoolgirl with laptop looking at mature teacher in classroom, banner

Back view of blurred businessman asking question to asian speaker during conference

Teacher standing near sad schoolboy in classroom

Smiling teacher pointing with finger at pupil with laptop

Smiling teacher pointing with finger near schoolboys and gadgets in classroom

Cheerful teacher waving hand at pupils on blurred foreground in classroom