Ключевые слова: back, blackboard, chalkboard, child, children, class, classroom, communication, computer, conversation, desks, devices, digital, diverse, education, educator, elementary, explaining, group, happy, job, junior, kids, learning, lesson, math, middle, people, person, preteen, primary, professional, pupils, reopen, school, schoolchildren, schoolkids, smiling, students, studying, talking, teacher, teaching, technology, teen, tutor, using, woman, work, worker,