Ключевые слова: abstract, academic, academy, achievement, award, bachelor, back, background, bus, cap, cartoon, celebration, certificate, child, class, college, concept, congratulation, degree, design, education, elementary, flat, grade, graduate, graduation, happy, hat, icon, kid, kids, kindergarten, knowledge, learn, master, miniature, ride, school, schoolbus, sign, stop, student, study, studying, success, symbol, teacher, toy, trip, university,