Ключевые слова: academic, adult, back to school, career, casual clothing, caucasian, cheerful, child, childhood, class, classmate, classroom, cognition, college, color image, confident, desk, development, education, elementary, elementary school, group, happy, horizontal, indoor, learn, learning, lesson, lifestyle, looking, looking at camera, male, man, occupation, person, portrait, profession, school, school building, smile, smiling, standing, student, study, studying, teacher, teaching,