Ключевые слова: academic, book, boy, caucasian, child, childhood, children, class, classroom, college, concept, desk, education, elementary, elementary school, female, four people, girl, hand, homework, intelligence, kid, knowledge, learn, learning, lesson, library, little, male, mixedrace, multiracial, people, pupil, raising, raising hand, reading, school, student, study, studying, teacher, teaching, unaltered, university,