Ключевые слова: adult, african american, asian, back to school, black boy, black woman, books, boys, caucasian, chalkboard, cheerful, children, classmates, classroom, education, elementary age, emotion, excited, eyeglasses, girls, happy, hold, indoors, inside, interracial, joyful, kids, knowledge, look at camera, multicultural, multiethnic, open mouth, people, profession, pupils, raised hands, school, schoolboys, schoolchildren, schoolgirls, schoolkids, smiling, teacher, together, woman, work,