Ключевые слова: academy, adolescence, asian, black, campus, caucasian, classmate, college, community, diverse, diversity, education, ethnicity, friends, friendship, graduate, grass, group, high school, learning, men, message, mobile, multiethnic, multiracial, outdoor, outdoors, outside, park, people, phone, portrait, real, school, smart phone, student, students, study, team, teamwork, teen, teenager, texting, together, trees, university, women, young, youth,