Ключевые слова: academic, adolescent, alone, boy, campus, casual, caucasian, concentration, copyspace, development, education, exams, file, formation, guy, high school, homework, human, institute, kid, learning, lesson, lifestyle, male, man, morning, notebook, notes, outside, people, person, prepare, pupil, reading, scholar, school, schoolchild, schoolwork, secondary, sitting, skateboard, smart, student, studying, teen, teenage, vertical, writing, young, youth,