Ключевые слова: academic, back, blackboard, board, boy, caucasian, chalkboard, child, class, classmates, classroom, desk, docent, education, educator, elementary, female, geometry, girl, girls, grade, greenboard, group, gymnasium, integrated, junior, knowledge, learn, learning, lesson, mark, mates, mature, middle, occupation, people, primary, profession, pupil, pupils, school, schoolchild, student, students, study, studying, teacher, woman, young, youth,