Ключевые слова: 14 year old, background people, california, class, classroom, desk, education, female, focus on foreground, girl, happy, hispanic, horizontal, interactive whiteboard, learning, lesson, looking at camera, occupation, one person, people, person, portrait, professional, pupil, school, school children, secondary school, sitting, smiling, student, studying, teacher, teaching, teen, teenage, teenager, together, tutor, usa, working,