Ключевые слова: accessory, adult, african american, back to school, black girl, boy, boyhood, caucasian, chalkboard, children, class, classmates, classroom, cropped, education, elementary age, equations, eyeglasses, formal wear, four people, gesture, girlhood, girls, indoors, kids, lesson, mathematics, multicultural, multiethnic, numbers, point with hand, preadolescent, preteen, profession, professional occupation, pupils, school, schoolboy, schoolchildren, schoolgirl, schoolkids, selective focus, signs, symbols, teacher, three people, together, woman,