Junge Bibliothekarin hält Becher in der Hand und schaut lächelnde Schulkinder in der Bibliothek an - Stockfoto & -bild

Adorable happy schoolchildren reading books in library

Back view of schoolchildren with backpacks looking at female librarian

Group of thoughtful young multi-ethnic students focused on joint project sitting among workbooks and devices in library and looking at laptop screen

Back view of schoolkids with backpacks looking at female librarian

Smiling young librarian holding cup and looking at schoolchildren in library

Elementary School Classroom: Enthusiastic Teacher Holding Tablet Computer Explains Lesson to Brilliant Young Children. Kids Learning Programming Languages, Internet Safety and Information Technology

Top view of teacher and pupils doing homework together

Cropped image of african american taking high five to multicultural high school teenage students

Group of multiethnic students discussing homework at classroom

Multicultural group of high school teenage students and teacher at desk with laptop in classroom during lesson

Young students talking about homework together in college corridor

Happy young students chatting at classroom of college

Group of multicultural teens using laptop at table

Happy asian student girl writing on whiteboard during lesson with blurred teacher on background

Side view of african american teacher pointing at wristwatch to latecomer schoolboy in classroom