Ключевые слова: american, boy, child, children, class, classmate, classroom, clever, cognition, communication, copybook, desk, educating, european, exercise, girl, group, homework, indoors, learn, learning, lesson, lifestyle, modern, notebook, occupation, person, portrait, primary, pupil, school, schoolboy, schoolchild, schoolgirl, schooling, schoolkid, secondary, sitting, spelling, study, studying, teacher, teaching, teenage, togetherness, tutor, woman, youth,