Ключевые слова: academic, alarm clock, apple, arms crossed, book, bookcase, books, bookshelf, bow tie, boy, caucasian, chalkboard, child, childhood, class, classroom, computer graphic, concentrating, concentration, cute, design, desk, development, digital, digital tablet, digitally generated, drawing, education, educational, elementary, elementary school, extending, eyeglasses, female, focused, girl, glasses, grey, holding, intelligence, knowledge, library, literature, looking, male, marker, mug, pencil, portrait, preschool, pupils, reaching, reading, rear view, research, school, schoolchild, shelf, stationery, study, tablet, tablet pc, textbook, textbooks, thinking, thoughtful, uniform, wallpaper, writing,