This is the 7969th most frequent Turkish word.
kullarda
"Kullarda" means "in the slaves" or "among the servants" in English.
In this sentence, 'kullarda' refers to schools where activities are taking place, indicating location or institution in a general sense.
Kullarda yüzme öğretiliyor.
Swimming is taught in the schools.
Here, 'kullarda' specifies the location associated with the children, referring to schools as entities containing pupils.
Kullardaki çocuklar çok yetenekliler.
The children in the schools are very talented.
In this usage, 'kullarda' pertains to the venue where the competition is held, referring to schools as a location for events.