Ключевые слова: 13 year old, 14 year old, 30s, african american, asian, black, boy, california, caucasian, class, classroom, computer, computer lab, desk, education, female, girl, high school, hispanic, horizontal, ict, keyboard, learning, lesson, looking at camera, male, man, men, monitor, multi racial group, people, person, portrait, pupil, school, school children, secondary school, seven people, student, studying, teacher, teaching, technology, teen, teenage, teenager, thirties, together, tutor, usa,