Konzentrierte junge Schüler sitzen während des Unterrichts im Klassenzimmer - Stockfoto & -bild

Pretty Caucasian girl high school student rising arm to ask the question.

Multiethnic students sitting at desks and looking at teacher

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

Group of high school students sitting in classroom and writing in notebooks.

Pretty student in glasses holding notebook and looking at camera during lecture

Smart guy in glasses diligent student is talking to teacher sitting at desk in lecture hall with young people around him. Higher education, youth and getting knowledge concept.

Speaker uses laptop. Group of people at business conference in modern classroom at daytime.

Rear view of teacher at table with laptop talking to pupils in classroom

Rear view of african american teacher and schoolboy with arm up in classroom

Writing schoolchildren and teacher sitting at table with laptop and coffee cup

Group of multiethnic students spending time in class

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

Group of multiethnic students working together in classroom

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

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