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
Smart pupil studying science at elementary school. African american girl raising hand at lesson. Clever student answering question in class. Afro schoolgirl talking with teacher in classroom
Curly haired Caucasian elementary school boy raising his hand to answer teacher question while having lesson with diverse classmates in classroom
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
Back view of Afro-American teacher speaking to multiethnic children in face masks as they writing at desks in classroom while giving lesson in elementary school during covid-19 outbreak
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
Close-up of intelligent young student answering teacher's question in classroom. Smart girl gesturing during lesson at school.
Medium slowmo of multiethnic smart middle school pupils raising their hands to answer teacher questions having Chemistry lesson in modern classroom
Engaged student actively participating in classroom discussion at school
Focus on elementary age boy sitting at desk in classroom listening to teacher and raising hand to give answer in school at daytime
Elementary school class children communicate with the teacher answering question