Ключевые слова: 16, boy, child, class, classroom, college, computer, concentration, day, digital, discussing, discussion, education, female, girl, group, happy, high school, indoors, learning, lesson, lifestyle, listening, male, pc, people, person, portrait, pupil, school, secondary school, smiling, student, study, studying, tablet, talking, teacher, teachers, teaching, technology, teen, teenage, teenager, together, touchscreen, tutor, university, woman, young,