Child studying in class at elementary school. Girl writing in notebook at lesson. Schoolgirl looking at blackboard. Student schooling in classroom.
A journalist in a documentary archive examines old documents and newspapers and tries to find answers to his questions about the secrets of
Student of medical university answering near the blackboard in the classroom
Focused Teen Student Writing on Blackboard in Classroom
Frustrated programmer tries to find bug in source code
Close-up of intelligent young student answering teacher's question in classroom. Smart girl gesturing during lesson at school.
Young student happily learning in classroom with laptop
Aged bearded man checks detail and tries to find mistakes
Thoughtful student sitting at school desk. Smiling girl answering questions for teacher during lesson. Cheerful kid talking in auditorium. Smart schoolgirl schooling in school classroom
Curious student answering geography question with teacher's guidance
Timelapse of Caucasian schoolgirl and African-American schoolboy cleaning blackboard in classroom
Smart girl raising hand at lesson in school classroom. Smiling student answering question in auditorium. Cheerful schoolgirl talking with teacher. Clever kid getting education at elementary school