Ключевые слова: academic, background, backpack, bag, beige, child, childhood, classroom, clothes, education, elementary school, elementary school student, exercise, female, gesture, girl, gray, hand, headphone, healthy, isolated, kid, learner, lessons, looking at camera, modern, notebook, one person, palm of hand, people, portrait, pupil, school, school child, schoolgirl, show, sign, stop, stop gesture, student, study, teen, teenager, training, tutorial, violence, web, white, woman, workbook,