Which preposition to use with schoolyard

during Occurrences 2%

There were games in the schoolyard during the pauses, and some of these were played in large groups or by teams.

with Occurrences 1%

" Compressed into an instant of acute feeling Sylvia felt the pangs which had racked her as a little girl when she had stood in the schoolyard with Camilla Fingál before her, and the terrifying hostile eyes about her.

Which preposition to use with  schoolyard