Ключевые слова: african, african american, american, book, child, childhood, childhood education, class, classroom, college, corridor, depressed, education, elementary, elementary school, female, girl, knowledge, learn, learning, lesson, locker, mixedrace, one person, people, pupil, sad, school, schoolbag, schoolboy, schoolgirl, sitting, student, study, studying, unhappy, university, upset,