Ключевые слова: backpack, bag, book, boy, child, children class, girl, grade group, kid, modern race, outdoor, outside, people person, preteen positive, primary pupil, race rear, recreation row, rucksacks running, scholar schoolboy, school, school end, schoolchildren schoolgirl, schoolkids schooluniform, secondary smile, student study, summer, summer studies, teacher time, wearing weekend, years young,