Ключевые слова: academic, adolescent, backpack, backpacking, boy, buddies, campus, casual, chatting, cheerful, classmates, communication, conversation, education, friend, friends, friendship, happiness, happy, headphones, high school, interaction, joyful, learning, lifestyle, listening, male, male student, music, peer, people, pupil, school, schoolboy, smiling, socializing, students, study, talking, teen, teenage, teenage boy, teenage student, teenager, teenager boy, young boy, young student, youth, youth culture,