Ключевые слова: academic, black, blackboard, book, boy, caucasian, chalkboard, child, class, classroom, college, concept, digital, digital tablet, education, education concept, elementary, female, girl, holding, homework, knowledge, learn, learning, lecture, lesson, male, medium group of people, mid adult, mixedrace, people, pupil, rear, rear view, school, school education, student, study, studying, tablet, teach, teacher, teaching, university, view, woman,