Ключевые слова: academic, back to school, black, boy, caucasian, cellphone, cheerful, child, childhood, classmates, communication, connection, corridor, cute, development, dialing, digital camera, early learning, education, elementary, elementary school, female, funny face, girl, hall, hallway, happy, holding, indian, knowledge, learn, learning, male, mixedrace, mobile phone, phone, photo, photographing, photography, picture, preschool, pupil, school, schoolchild, smiling, taking, telephone, wireless,