Ключевые слова: 12 years old, african, backpack, black, boy, building, caribbean, casual clothing, caucasian, cell, cell phone, class, confident, connected, education, female, friends, girl, group, happy, high school, hispanic, horizontal, indian, indoors, learning, male, mixed race, mobile, modern, multicultural, online, people, person, phone, positive, pupil, school, secondary school, smiling, social media, south american, staircase, stairs, standing, student, tech, text messaging, together,