Ключевые слова: academic, african ethnicity, asian, asian ethnicity, black, blackboard, boy, boys, career, casual clothing, caucasian, caucasian ethnicity, chair, chalkboard, child, childhood, children, class, classmates, classroom, communication, confident, connection, day, desk, development, digital tablet, education, elementary, elementary school, female, girl, girls, global communications, happiness, holding, indoors, job, knowledge, learn, learning, lesson, male, medium group of people, mixedrace, mixedrace person, occupation, portrait, profession, professional, pupil, school, schoolchild, sitting, smiling, standing, student, studying, teacher, teaching, technology, wireless technology, woman, young adult, young women,