Ключевые слова: black, book, boy, caucasian, child, childhood, childhood education, class, classmate, classroom, college, concept, education, elementary, female, girl, happy, kid, knowledge, learn, learning, lesson, locker, male, medium group of people, mixedrace, multiracial, people, person, portrait, primary, pupil, row, school, schoolgirl, standing, student, study, studying, teacher, unaltered, university, young,