Πίσω προβολή μαθητές και δάσκαλος ανάπαυσης με αύξηση των όπλων - Φωτογραφίες & Εικόνες Αρχείου

Group of classmates raising hands to answer question during lesson

Rear view of high school students with arms up and african american teacher in classroom

Education, high school, teaching, learning and people concept - group of happy students raising hands and teacher in classroom

Multicultural group of teenage schoolchildren and smiling african american teacher with raising arms

Rear view of schoolgirl writing on chalk board and classmates with teacher sitting in classroom

Back view of multicultural pupils with hands in air, and teacher standing at chalkboard with back to school lettering

School children in classroom at lesson

Education, high school, teaching, learning and people concept - group of happy students raising hands and teacher in classroom

Rear view of group of students raising hands in class on lecture

Rear view of students listening to teachers lecture at college

Adorable little kids raising hands in class

Group of kids raising hands in class to answer teachers question

Rear view of young students listening to teachers lecture at college

Rear view of schoolgirl raising hand to answer teachers question during lesson

Group of students raising hands in class on lecture

Kids raising hands in class to answer teachers question