Usmívající se učitel ukazuje prstem na žáka s notebookem - Stock fotografie a obrázky

Teacher with marker and digital tablet standing near pupils

Positive teacher gesturing while speaking near teenagers during lesson in school

Asian schoolboy looking at notebook near erase board and teacher

Personal growth. Positive enthusiastic speaker smiling and pointing to the flipchart while standing in front of the group and talking about personal growth

Mature teacher pointing with finger near cheerful multiethnic kids

Enthusiastic Teacher Giving a Lesson in Elementary School to Class Full of of Diverse Children. Group of Smart Multiethnic Kids Learning New Stuff. Side View Shot

Multicultural teenage pupils listening to middle aged teacher talking during lesson

Smiling woman pointing at african american student standing near blurred whiteboard

Smiling african american student with digital tablet talking to blurred classmates near whiteboard with graphs

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

Positive african american teacher pointing with hand near blurred pupils

Cheerful student looking at curly friend sitting with pen in classroom

African american teacher reading book near blurred pupils in classroom

Smiling african american woman pointing at task on whiteboard near blurred classmates in auditorium

Multiracial woman with paper cup talking to colleagues during meeting