Ключевые слова: 16, 17, academic, adult, back to college, back to school, blog, boy, caucasian, chat, cheerful, class, classmates, classroom, college, concentration, education, exam, female, group, high, indoors, knowledge, learn, learner, learning, lecture, lesson, lifestyle, looking, male, man, paper, people, person, portrait, school, smiling, student, study, studying, teen, teenage, teenager, test, university, video, vlog, young, youth,