Ключевые слова: book, boy, casual, caucasian, child, children, class, classmate, classroom, cute, education, educational, elementary, exercise, face, female, friends, girl, group, hand, indoor, kid, kids, learning, lesson, little, modern, notebook, paper, pen, people, person, portrait, primary, pupil, rising, school, schoolboy, schoolgirl, selective focus, showing, sitting, smiling, student, study, studying, teach, teenager, together, young,