Ключевые слова: academic, bag, blackboard, boys, caucasian, chalkboard, child, childhood, children, classmate, clever, education, emotional, fashion, friends, fun, glasses, grade, graduation, group, happy, indoors, kids, knowledge, learn, learner, math, mathematics, people, physics, portrait, positive, primary, professor, pupils, school, schoolboy, schoolchild, schoolchildren, science, serious, smart, smiling, students, study, suit, team, uniform, young,