Ключевые слова: abstract, background, blackboard, blur, blurred, blurry, bokeh, boy, child, class, classroom, color, colorful, concept, discount, display, diversity, education, entertainment, focus, friends, fun, grade, group, happy, homework, interior, kid, knowledge, learn, lesson, many, people, play, pupil, room, school, schoolboy, schoolchild, schoolteacher, schoolwork, student, study, teacher, together, uniform, young,