Multiethnic primary school students sitting at desks in classroom, rising arms and answering questions of afro-american female teacher during lesson
Caucasian boy in eyeglasses sitting at desk in classroom, rising arm, asking a question and then writing down answer of teacher in notebook during lesson in primary school
Group of multiethnic children sitting at desks in classroom, rising arms and answering question of African American female teacher during lesson in elementary school
Teacher asks boy to blackboard in elementary school lesson
African American female teacher pointing at text on blackboard, speaking to children and answering questions while giving lesson in primary school
Cheerful African American schoolgirl sitting at desk in classroom, rising arm, asking a question and then taking note during lesson
Inquisitive schoolgirl in glasses, smiling and participating in classroom lesson
African American female teacher speaking with schoolkids as they rising arms up during lesson and then explaining math calculations on blackboard
Portrait of Korean teacher sitting on the desk with laptop in hand giving lesson for pupils. Pupils of primary school listening carefully lecture and ask important questions their teacher. Slow
Dedicated Korean teacher giving lesson to attentive primary school students
Over the shoulder shot of diligent multiethnic boys and girl sitting at desks in classroom, listening to teacher and asking questions during lesson in school
Teacher asks students questions in school classroom