From Longman Dictionary of Contemporary Englishschoolyardschool‧yard /ˈskuːljɑːd $ -jɑːrd/ noun [countable] especially American English the area next to a school building where the children can go or play when they are not having lessons SYN playground
Examples from the Corpus
schoolyard• He grabbed hold of the chainlink fence that surrounded the empty schoolyard.• The contractor had bought and planted six small trees for the schoolyard.• Scholars, old and new, stood in the schoolyard that bright autumnal morning.• The schoolyard was a mud patch tapering into a ravine. 