Cheerful African American schoolgirl sitting at desk in classroom, rising arm, asking a question and then taking note 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
Multiethnic primary school students sitting at desks in classroom, rising arms and answering questions of afro-american female teacher during lesson
Group of multiethnic children sitting at desks in classroom, rising arms and answering question of African American female teacher during lesson in elementary school
Student asking question in college classroom
Student asking question in university classroom
African American female teacher standing beside blackboard and asking a question, then multiethnic kids rising arms up during lesson in primary school
Selective focus shot of little African American girl sitting at desk in classroom, raising hand and asking question during astronomy lesson in elementary school
Student sitting at their desks and asking question in a classroom
Portrait of mixed race female teacher standing in classroom asking questions during lesson
Close up portrait of schoolgirl sitting at desk during lesson in classroom .