Ключевые слова: back to school, boy, cheerful, child, childhood, children, classroome, college, corridor, ducation, education, enjoyment, friends, friendship, fun, group, happiness, happy, indoors, kid, kids, laughing, learning, people, playful, playing, run, running, school, school building, school kid, schoolboy, schoolchild, schoolchildren, schoolgirl, schoolkids, smiling, student, students, teacher, team, together, togetherness, young,