Ключевые слова: back, background, boy, caucasian, cheerful, child, childhood, children, classroom, contemporary, cute, desk, education, elementary, ethnic, expression, face, female, girl, grade, group, happy, kid, lad, learn, learning, lesson, lifestyle, little, looking, people, person, positive, preschooler, pretty, primary, pupil, school, schoolchildren, schoolgirl, schoolkid, smile, smiling, student, study, together, white, young, youngster, youth,